baber/WOPTO huggingface dataset:
Patent WO-03091112-A1 (WO)
Title: Vorrichtung zum zuführen eines prospektes aus einer bevorratungseinrichtung zu einer prospekttransporteinrichtung
Inventor: SAURER ROUVEN
IPC: B65H29/60
Filed: 2003-03-25
Abstract: Eine Überführeinrichtung (20) für Beipackzettel (1) ist zwischen einer Prospekteinrichtung (15) und einer Prospekttransporteinrichtung (13) angeordnet. Die Überführeinrichtung (20) weist zwei Paare (21, 24) mit jeweils zwei Transportbändern (22, 23, 25, 26) auf. Um ein Ausschleusen fehlerhafter Beipackzettel (1) zu ermöglichen wird erfindungsgemäß vorgeschlagen, zwei der Transportbänder (23, 26) mittels eines Hebels (43) schwenkbar anzuordnen, um einen alternativen Förderweg (50) auszubilden, der den fehlerhaften Beipackzettel (1) in einen Ausschussbehälter (46) überführt. Die erfindungsgemäße Überführeinrichtung (20) ermöglicht ein frühzeitiges Ausscheiden fehlerhafter Beipackzettel (1) aus einer Kartoniermaschine (10).
Patent WO-2004010149-A1 (WO)
Title: Bodenwasser-strömungsmesser
Inventor: SAUTER EBERHARD J
IPC: G01P5/04
Filed: 2003-07-13
Abstract: Bodenwasser-Strömungsmesser bestehen aus einem Stab (12) mit vielen daran angeordneten kleinen Strömungssensoren (13). Jeder Strömungssensor (13) wiederum besteht aus einer Richtungsfahne (18), die frei drehbar am Stab (12) befestigt ist, und einer orthogonal zur Richtungsfahne (18) an dieser ebenfalls drehbar befestigten Messfahne (19), die von der Richtungsfahne (18) in die Strömung gedreht wird. Der Auslenkungswinkel der Messfahne (19) ist eine Funktion von der örtlichen Strömungsgeschwindigkeit. Die Auslenkungswinkel aller Messfahnen (19) können insbesondere visuell registriert und mit einem Bildanalyseprogramm zu einem Strömungsprofil zur Erforschung von Austauschprozessen am Grenzübergang Boden-Wasser verarbeitet werden. Der erfindungsgemässe Bodenwasser-Strömungsmesser (11) arbeitet rein strömungsmechanisch und kann sowohl in grossen Meerestiefen als auch für Industriezwecke eingesetzt werden.
Patent WO-2004027015-A1 (WO)
Title: Vorrichtung und verfahren zur behandlung von biologischem material
Inventor: SIEBENKOTTEN GREGOR
IPC: C12N13/00
Filed: 2003-09-12
Abstract: Die vorliegende Erfindung betrifft eine Vorrichtung zur Behandlung von biologischem Material, zumindest bestehend aus einer nach aussen zumindest verschliessbaren Kammer mit einem Innenraum zur Aufnahme des biologischen Materials, wobei die Kammer zumindest eine Elektrode aufweist, die mit dem Innenraum der Kammer in Kontakt steht und zur Erzeugung eines elektrischen Feldes vorgesehen ist. Die Erfindung betrifft ferner ein Verfahren zur Behandlung von biologischem Material, bei dem das biologische Material in den Innenraum einer nach aussen zumindest verschliessbaren Kammer eingebracht wird, welche zumindest eine Elektrode aufweist, die mit dem Innenraum der Kammer in Kontakt steht und zur Erzeugung eines elektrischen Feldes vorgesehen ist, welches nach dem Einbringen des biologischen Materials in dem Innenraum erzeugt wird durch Anlegen einer Spannung an die Elektrode und eine weitere mit dem Innenraum der Kammer in Kontakt stehende Elektrode. Die Kammer weist erfindungsgemäss zumindest eine Zuleitung auf, welche in räumlicher Nähe zu der Elektrode mindestens eine Öffnung aufweist. Bei dem erfindungsgemässen Verfahren wird nach dem Erzeugen des elektrischen Feldes das biologische Material mittels einer Lösung, die über eine Zuleitung der Kammer an zumindest einer Elektrode entlang geleitet wird, annähernd vollständig aus dem Innenraum der Kammer ausgespült.
Patent DE-1815925-A1 (DE)
Title: Reinforcing metal coatings on plates of insulating material - insulating material particularly in narrow
Inventor: KOENIG ERWIN
IPC: C25D5/16
Filed: 1968-12-20
Abstract: Galvanic deposition of metal on metal-coated insulating plates, in which the metal films on both main surfaces are connected by thin metal films in holes provided in the plate, is effected by using the metal coatings as the cathode and arranging one anode opposite either main surface of the plate, which anodes are operated alternately. The electrolyte may be agitated to effect flow through the holes.
Patent DE-1913570-A1 (DE)
Title: Electrolytic polishing solution for stain- - less steel
Inventor: L BRANTON PHILIP
IPC: C25F3/24
Filed: 1969-03-18
Abstract: The solution comprises (in wt,%) 17-47 H2SO4 (100.5%), 33-64 H3PO4, (75%), 0.25-3.5 aminoacetic acid, 0.5-8 oxalic acid, 10-20 H2O, and contains 0.01 wt.% of surface active agent. A preferred bath compn. is 25-40 H2SO4 (100.5%), 40-60 H3PO4 (75%), 0.5-3 aminoacetic acid, 1-4 oxalic acid, 10-20 H2O, and 0.001-0.005 surface active agent.
Patent DE-1921182-A1 (DE)
Title: Thermoplastic yarn manufacture
Inventor: WHAN KIM CHARLES
IPC: D01D5/42
Filed: 1969-04-25
Abstract: The manufacture of thermoplastic yarn is characterised, in that the band with parallel webs is run over a serrated knife which splits the band into discrete fibres in the furrows between the webs. The band may be polypropylene or another suitable fibre-forming material.
Patent DE-1933523-A1 (DE)
Title: Prodn of a thiochromanone deriv
Inventor: NISHIO MOTOHIRO
IPC: C07D335/06
Filed: 1969-07-02
Abstract: Prodn of a thiochromanone deriv. The deriv. is of general formula (I) (wherein R=H, lower alkyl or halogen, R'=R, also -CN) and is produced by oxidising the corresponding thio deriv.
Patent DE-1940915-A1 (DE)
Title: Producing readily soluble and dispersible - granulates
Inventor: SUMIYA MICHIO
IPC: A23P10/22
Filed: 1969-08-12
Abstract: Producing readily soluble and dispersible granulates In the process, fine, powdered material is run through a sieve, of a granulation column, as independent groups after being wetted at a temperature below 100 degrees C. The groups of materials are brought into contact with a slow stream of heated air having a temperature lying below 100 degrees C. The air stream contains steam and the groups do not mix, producing the desired porous granulates by direct combination of the fine powdered materials e.g. foodstuffs or medicaments.
Patent DE-2006584-A1 (DE)
Title: Halogenated thermostable polyesters
IPC: C08G63/682
Filed: 1970-02-13
Abstract: Chlorinated polyesters, with good electrical properties, suitable for electrical insulation and virtually non-flammable, soluble in strong solvent (o-dichlorobenzene) but insoluble in most organic solvents, and easily workable, are of formula: (-CO-(R')a-CO.O-R-O-)n' where R' is a phenylene residue with some H opt. replaced by Cl or possibly partly consists of an opt. branched, saturated alkylene residue with 1-10C, a is 0 or 1, n is an integer from 30-300, pref. 50-255, and R is a bivalent residue of formula (I): which is opt. partly (pref. to 4-80 mol. %) replaced by (II) or (III): (where X is Br or Cl, Y is -O-, -CO-, -S-, -SO2- or an (alkyl or phenyl substd.) methylene residue, b, c and e are 0 or 1, d is 2, 3 or 4, R2 and R3 are H, or one is H and the other an alkyl residue with 1-5C). The polyesters are prepd. in known manner.
Patent DE-2014768-A1 (DE)
Title: Prepn of dried agarose gel used in molecular - sieve chromatography
IPC: C08B37/00
Filed: 1970-03-26
Abstract: Dried agarose gel is produced by forming an aqs. gel contng. 0.5-5 wt.% of agarose and including in the cell structure 0.1-1.0 wt.% of a macro-molecular predominantly organic hydrocolloid having m.wt. of at least 5000 and soluble in water to the extent of at least a 1% soln. at a temp. below that at which the agarose has finite solubility, and drying the gel while the aqu. soln. remains included therein.
Patent DE-2045577-A1 (DE)
Title: Batch glass melting pot furnace - with revolving flame
IPC: C03B5/06
Filed: 1970-09-15
Abstract: The furnace is heated by a flame, which describes a circle above the glass melt level and which during the working of the charge is run along the outer pot wall. The flame runs in a recess in the wall so as not to interfere with the working of the charge operation. Even heating of the melt, primarily intended for the prodn. of small batches of special glasses.
Patent DE-2054886-A1 (DE)
Title: 4-hydroxy-5-mercapto-6-benzoyl-pyrimidines - useful as optical brighteners and dye intermediates
Filed: 1970-11-07
Abstract: Title cpds. of formula (I):- (where R1 is an aromatic residue and R2 is an aliphatic, cycloaliphatic, araliphatic or aromatic residue) are prepd. by reacting a cpd. of formula (II) (where X is halogen) with an amide R2-C(NH2)=NH. (I) are useful as intermediates for dyes and as brighteners for polyesters and polyamides when added in an amt. of 0.05 - 0.5% during manufacture.
Patent DE-2062378-A1 (DE)
Title: Thin-wall tubing - of soft thermoplastics with concave rollers in three planes for calibration
IPC: B29C48/90
Filed: 1970-12-18
Abstract: After extrusion, the tubing of soft PVC or polyethylene with a wall thickness 1 mm passes through compression rollers which cool the material to a shear modulus 108 dyn/cm2. The material then passes through an array of freely-rotating rollers to give a round profile through their concave profiles on three sides, the rollers being sand blasted or clad with PTFE to prevent surface markings. The purpose is to provide a calibration stage for soft thermoplastic tubing within thin walls.
Patent DE-2106740-A1 (DE)
Title: Catalytic process gas converter - for ammonia, formaldehyde and acetaldehydecompsns
IPC: B01J8/02
Filed: 1971-02-12
Abstract: Cylindrically constructed gas converter in which gases are introduced into an upper chamber being linked to, and supported by, a lower chamber, housing a heat exchanger, with an intermediate metal catalyst layer, e.g. silver mesh. The heat exchanger consisting of criss-crossed multipass tubes either fitted with spacers or mounted on top of each other.
Patent DE-2116318-A1 (DE)
Title: Blow moulding thermoplast bottle - after producing oriented structure in sprue of rough
IPC: B29C49/12
Filed: 1971-04-03
Abstract: An apparatus for blow-moulding a hollow thermoplastic object, e.g. a bottle, starts from a rough having a central sprue zone; inside the blow-mould, the rough is first extended, before blowing, by a central plunger which enters the mould and presses the sprue zone of the rough firmly against the bottom of the mould; the end surface of the plunger and/or the corresponding portion of the mould bottom is so shaped that the sprue zone is squeezed between these two surfaces. Pref. the end surface of the plunger and corresponding surface of the mould have a suitably corrugated shape; the squeezing action produces orientation in the previous sprue zone of the rough, thus improving impermeability in the blow moulding in this region.
Patent DE-2121946-A1 (DE)
Title: Refining iron - by passing iron droplets through slag layer
IPC: C21C7/072
Filed: 1971-05-04
Abstract: Liqiud Fe drops are prevented from collecting in the slag layer by the use of liquid Fe drops which are of accurate size 0.2-2 mm pref. 0.5 mm, obtd. by atomization using an inert gas such as Ar or N, or a mixt. of these. The inert gas jet is located over the liquid Fe stream so that both exit the storage vessel together.
Patent DE-2126463-A1 (DE)
Title: Bandage - with filaments coated with acrylic resin containing disinfe
IPC: A61L15/46
Filed: 1971-05-27
Abstract: Bandage has a surface layer consisting of a thin hardened fibre gauze, 0.02-0.5mm thick, of hydrophilic and/or hydrophilic fibres, with a fibre thickness of 1.5-15 den. and a wt. per cubic metre of 12-60g, the single filaments of the gauze being at least partly coated with an acrylic resin layer which also contains e.g. pigment and active ingredients e.g. disinfectant.
Patent DE-2128849-A1 (DE)
Title: Conversion-regeneration of spent picking bath - - by neutralisation with ammonia and decomposition of ammonium sulpha
IPC: C23G1/36
Filed: 1971-06-11
Abstract: Regeneration of a spent pickling bath contg. (NH4)HSO4 as the main component is carried out by neutralising the bath with ammonia; separating the precipitated solids; heating the filtrate to decompose the resulting (NH4)2SO4 into (NH4)HSO4 and NH3; and re-using (NH4)HSO4 in the pickling bath and NH3 in the neutralization operation. The process is inexpensive, and the metals dissolved in the pickling bath can be recovered.
Patent DE-2130775-A1 (DE)
Title: Alkyl-bis-(2-hydroxylakyl or aralkyl or aryl)-sulphonium - sulphates - agents for the treatment of dermatoses
Inventor: DISTLER HARRY DR
IPC: A61K8/46
Filed: 1971-06-22
Abstract: Cpds are of formula: where R1 = C 6-20 alkyl, R11 and R3= 2-HO-alkyl, C 1-6 alkyl, cycloalkyl, aryl, aralkyl or alkenyl; X-=an org or inorg. anion e.g. (HOCH2CH2OSO3)-; n=0 or 1. Esp. useful in treating psoriasis and the ulcus cruris and in dermatoses with pathogenic sub-infections, in dermatomycoses e.g. from Tinea pedis and whitlows and for curative treatment and rapid regeneration in burns.
Patent DE-2132907-A1 (DE)
Title: Roller bearing cage - of glass fibre stabilised polyamide on metal support
Inventor: STEGER ARNDT DIPL-ING
IPC: F16C33/56
Filed: 1971-07-02
Abstract: Support is drawn from a sheet metal disc, by forming recesses of round, oval, or rectangular cross section, running conically out; it is received by counter pressure bolts, which engage in the mouth of the recesses and centre it, and pressed onto shoulder of roller pocket blank and arrested. It is then completely covered by injected plastics, of uniform or non-uniform thickness.
Patent DE-2134320-A1 (DE)
Title: Liquefied gas storage tank - with inner membrane free to slide vertically relative to concrete wall
Inventor: HECKELMANN KARL
IPC: F17C3/02
Filed: 1971-07-09
Abstract: A storage vessel for liquefied gases comprises a reinforced concrete tank with an inner flexible metal membrane lining and outer weather-proofed insulation. A pressure resistant compensating layer which permits sliding is incorporated between the membrane and the reinforced concrete tank. Specif., this sliding layer may be of asbestos fibre matting, glass wool fabric, cold-resistant plastic, esp. PVC.
Patent DE-2151234-A1 (DE)
Title: Tellurium contg cadmium pigments - prepd by pptn from alkaline media
Inventor: GEISMAR GUENTER DR
IPC: C09C1/12
Filed: 1971-10-14
Abstract: CdS or CdS/Se pigments, homogeneous and of optimum size for use in colouring plastics, lacquer and glazing materials, are made by dissolving Te, in the presence of a reducing agent, in an alkali-metal sulphide or sulphide/selenide soln. As reducing-agent Al or Mg powder, or sodium dithionite are suitable whilst the formaldehyde adduct of sodium hydrogen sulphoxylate is esp. recommended. Water soluble Cd-cpds. esp. -SO4, -Cl-, NO3 or -CO3 are then added to ppt. Cd(S, Te) or Cd(S, Se, Te), pref. at 70-90 degrees C. The product is heat treated at 500-750 degrees C in an inert-gas or fused salt bath environment and should contain, for CdS material 0.3-10 (0.5-3) wt % Te or for CdS/Se material, 0.2-3(0.5-2) wt % Te.
Patent DE-2158635-A1 (DE)
Title: Removal of skins from fruits and vegetables - esp for potatoes, tomatoes, peaches, pears etc in canning plants
Inventor: HANFFSTENGEL KLAUS VON DR ING
IPC: A23N7/00
Filed: 1971-11-26
Abstract: The fruit is loaded into trays with perforated floors and these are stacked on a further perforated floor below which is a plenum chamber. A bell, lowered by a linear actuator, forms a rim seal with floor plate and steam is injected via a valve into the plenum chamber, either at least at atmos. until the skin and the subcutaneous layer is cut off, and a vent valve from the plenum opened either to a vacuum source or to atmos. pressure. The subcutaneous water layer then evaporates explosively and bursts off the skins.
Patent DE-2160096-A1 (DE)
Title: Polyolefin laminated films - with good water-vapour and gas impermeability
Inventor: HEIM WALTER DIPL CHEM DR
IPC: B32B27/00
Filed: 1971-12-03
Abstract: Laminated films are of (1) low press. polyethylene (PE) or polypropylene (PP), both with a high proportion of crystalline material, of thickness of 100-300 mu, pref. 150-250 mu, and (2) a good low extrudable material with a broad melting region, and a thickness of 10-75% pref. 10-50% of the thickness of the low press PE or PP. The films are H2O-vapour resistant and are used in packaging. (2) is pref. PVC.
Patent DE-2215116-A1 (DE)
Title: Sodium dithionite anhydride prodn - using sodium formate alkaline cpd and sulphur dioxide
Inventor: YASUE MASAYUKI
IPC: C01B17/66
Filed: 1972-03-28
Abstract: Usually the reaction between sodium formate, sodium hydroxide and sulphur dioxide is carried out in 70 to 90%-methanol aqueous soln. and the resulting dithionite is separated by filtration, washed with methanol and then dried. The filtrate obtained here contains considerable amount of unreacted sodium formate, by-product sodium bisulphite and methanol. It was found that the unreacted formate, the by-product bisulphite and the methanol were recovered in high yield by treating the f filtrate with sulphuric acid and then distilling it, and that the recovered substances were used again for the production of dithionite.
Patent DE-2219314-A1 (DE)
Title: Powder recovery filter unit - esp for electrostatic spraying
Inventor: RAPP HERBERT
IPC: B05B16/00
Filed: 1972-04-20
Abstract: Device for use in applying e.g. epoxy resin coatings, comprises a filter chamber, suction fan and collector below the filter chamber for the powder; the filters are mounted on vertical filter plates suspended from the top of the filter chamber and attached at their bottom edges to a vibrator or shaker; this shaker comprises a pneumatic cylinder impulse-regulated by an air pulse valve; the piston rod of this unit carries a weight which is oscillated by the piston.
Patent DE-2228063-A1 (DE)
Title: Acrylic copolymers - stable to flocculation used in mfr of textile dressings
Inventor: WILHELM HANS DIPL CHEM DR
IPC: D06M14/00
Filed: 1972-06-09
Abstract: By copolymerising 90-98.5 wt.% acrylamide with 1.5- 10 wt.% of an alpha, beta-substd unsatd carboxylic acid amide e.g. methacrylamide, itaconic acid amide, in aq. soln and in presence of a radical-yielding, org S-cpd. e.g. diisopropylxanthogendisulphide (using an azo or redox polymn. catalyst), copolymers are obtd. which contain amide gps. and are stable to flocculation in presence of di- or multivalent metal ions and charge-carrying high polymers.
Patent DE-2233159-A1 (DE)
Title: Concn of hydrogen peroxide - via adduct with water-immiscible liquid
Inventor: BECKER ADOLF
IPC: C01B15/013
Filed: 1972-07-06
Abstract: Dil H2O2 soln is conc. by (a) contact with a liquid, H2O-immiscible adduct former (I), (b) sepn of the resultant H2O-insol solid or liquid adduct from the aq. phase, (c) diln with a H2O-immiscible inert organic solvent (II) and (d) extraction of the resultant soln. with H2O opt continuously in countercurrent. The pref. reagents are (I) dicyclohexylamine or quinoline, (II) benzene, hexane or cyclohexane.
Patent DE-2250436-A1 (DE)
Title: Internal rust protection for existing water pipes - by filling with rust preventative and drying
Inventor: EICKMANN BODO DR ING
IPC: C23F15/00
Filed: 1972-10-14
Abstract: Ferrous pipelines for water can be protected against corrosion in situ by blanking off all outflows and by filling the pipes by pouring in a synthetic fluid or a rust preventative. After discharging the filling, the inside of the pipes can be dried out by hot air circulation. The anticorrosion media can also be applies by a circular brush or by spraying.
Patent DE-2250786-A1 (DE)
Title: Water purification filter unit - with integral pressurization system and replaceable insert
Inventor: ANTON KARLHEINZ
IPC: C02F1/00
Filed: 1972-10-17
Abstract: For camping or military use in the field the contaminated water is placed in a container with a neck into which is screwed a combined filter pump and expulsion unit. The latter is an inflatable e.g. rubber, bag which is immersed in the container full of liq. and is inflated by the pump unit which is based on a waisted annular chamber around the central body of the unit contg. the replaceable filter insert and a flexible walled outer tube squeezed by hand, the chamber having a flap type air inlet valve and a similar valve in a central channel onto which the bag is fixed. Device is simple and compact.
Patent DE-2264830-A1 (DE)
Title: Thermoplastic blow-moulding unit - has drive mechanism to slide mould to and from ejection station
Inventor: KLUESENER PETER
IPC: B29C49/32
Filed: 1972-01-31
Abstract: The system to develop a blow-moulded vessel from a thermoplastic parison has a hollow mould with a sliding motion during the opening and closing of the half-moulds to and from the ejection station. The system allows hollow vessels to be moulded other that those with a circular cross-section, increasing the range of bottles which can be produced.
Patent DE-2306042-A1 (DE)
Title: Stable solid insecticide composns - contg. O,O-dimethyl-S-(N-methylcar-bamoylmethyl)- phosphorodithioate
Inventor: SYNNATSCHKE GOTTHARD DR
IPC: A01N57/12
Filed: 1973-02-08
Abstract: Insecticides contain (a) 10-40 wt.% O,O-dimethyl-S-(N-methylcarbamoylmethyl)-phosphorodiethioate (I) as active ingredient and (b) a solid carrier having a pK value of 4.5-6.8 (pref. silica gel). They are stable and contain a high concentration of active ingredient while retaining the same biological activity as known emulsion formulations of the known systemic insecticide (I).
Patent DE-2331455-A1 (DE)
Title: Concealed pipe-array space heating and cooling - with additional heat-transmitter-linked circuit between control and bypass connecting points
Inventor: ENGEL EDGAR
IPC: F24F11/06
Filed: 1973-06-20
Abstract: The array of water pipes, laid in floor, wall and/or ceiling, is connected by supply and return sections to a heating and cooling generator, with three-way mixer valve, control inlet and bypass between these sections, and supply water temperature regulated by a thermostat between control and bypass and circulating pump. The auxiliary flow circuit, connected to heat transmitters, which may be radiators, convectors or air heaters, is mounted in parallel, and there may be an auxiliary pump in this circuit. Additional heating or cooling surfaces can be connected, using existing ambient temperature-dependent controls.
Patent DE-2342463-A1 (DE)
Title: Refractory porcelain enamel prepn
Inventor: RION RICHARD GEORGE
IPC: C03C4/00
Filed: 1973-08-22
Abstract: The enamel is produced from an aq. clay suspension prepd. from (a) 100 - 650 pts. wt. scaled, powdered vermiculite; (b) 100 pts. wt. alkali silica - based porcelain enamel frit; (c) 0 - 6 pts. wt. enamel clay; (d) 0 - 2 pts. wt. electrolyte; (e) 0 - 0.5 pts. wt. setting agent and (f) 100 - 600 pts. wt. water.
Patent DE-2351270-A1 (DE)
Title: Pivotted roof flap for car - operated by simple telescopic threaded spindle turned by interior handle
Inventor: BIENERT HORST
IPC: B60J7/16
Filed: 1973-10-12
Abstract: The roof flap is hinged at the front end and has a sealing gasket at the rear to seal onto a rain gutter inside the roof void. The bottom of the rain gutter has a hole in the middle of the car into which is fitted an inverted plastci plug through whose centre is pivoted a spindle. The spindle is threaded into one end of a set of telescopic, threaded spindles, coupled to the underside of the flap at the upper end. The coupling is by a simple pin and slot, with the pin removable for repair etc. The bottom end of the spindle has a plastic covered handle attached to it, with the handle fitted over the plug shape and operated from inside the car to raise and lower the flap.
Patent DE-2354207-A1 (DE)
Title: Iron protected against atmospheric corrosion - with nitroso cpd. or oxime corrosion inhibitors pref mixed with water displacers
Inventor: POHL FRANZ A PROF DR
IPC: C23F11/14
Filed: 1973-10-30
Abstract: Fe metals and their alloys are protected against atmos. corrosion by using corrosion inhibitors, (I), consisting of following nitroso cpds. or oximes: alpha-nitroso- beta-naphthol, b-nitroso-alpha-naphthol, o- or p-nitrosophenol, nitroso-phenyl- or -naphthyl hydroxylamine, benzoin oxime, dimethyl glyoxime or benzil dioxime. The iron contg. prods are eg. dynamo sheet iron and magnet cores. (I) form stable bonds with atoms at metal surface and have excellent adhesion under mechanical stress as well as under dew point corrosion conditions. Protective activity is 100% with nitrosonaphthol and benzoin oxime.