baber/WOPTO huggingface dataset:
Patent DE-1801557-A1 (DE)
Title: N-hydroxyalkyl-n-alkylamides textile aids - pharmaceutical intermediates
Inventor: HESSE DR KARL-DIETER
IPC: C07D207/26
Filed: 1968-10-05
Abstract: Compounds of formula (I):- (where R1 and R5 are 1-6C alkyl, vinyl or phenyl, R2 and R3 are H or Me and R4 is Me or Et) are prepared by reacting olefins (II) with hydroxymethyl compounds (III) (in which R4 and R5 in (III) can be linked to form a 5c aliphatic ring) n a solvent (pref. MeCOOH) and in the presence of an acid (degree of dissociation >10-2) (pref. H2SO4) at 0-40 degrees and neutralizing the resulting reaction mixture. No quaternary salts of 4H-5, 6-dihyro- 1, 3-oxazines result from the reaction. From the disclosure, it is evident that R4 and R5 in (I) can be linked to form a ring (particular rings in examples are those of caprolactam and 2-pyrrolidone). (I) are useful as textile auxiliaries and as intermediates for pharmaceuticals.
Patent DE-1804690-A1 (DE)
Title: Pig iron composn for casting
Inventor: I KRESTJANOV VLADIMIR
IPC: C22C37/08
Filed: 1968-10-23
Abstract: Cast iron with increased frictional wear-resistance The composition includes B and Al, and is pref (wt.%)-C 3.0-3.4, Si 1.5-2.0, Mn 0.5-1.0, Ni 0.4-1.0, Cr 0.2-0.6, S up to 0.12, P up to 0.16, B 0.008-0.1, Al 0.02-0.15.
Patent DE-1807998-A1 (DE)
Title: Heating and drying fibrous material
Inventor: HANFF HERBERT
IPC: F26B3/34
Filed: 1968-11-07
Abstract: H.f. heating and drying of fibrous goods pre-treated before a spinning process Is effected by passing the fibrous goods on a lower endless conveyor belt on which it is compacted using an upper inclined conveyor belt and exposing the compacted goods to the effect of a h.f. electric field, whereby the sides of the conveyors are provided with means which prevent the escape of the goods and moisture and the permeability of the conveyor belts is selected such that jointly with the strength of the electric field and the treatment time the dried fibrous goods leave the drier with a predetermined residual moisture content.
Patent DE-1901970-A1 (DE)
Title: Braiding machine
Inventor: HUPPERTSBERG ARTHUR
IPC: D04C3/00
Filed: 1969-01-16
Abstract: Machine has a baseplate and horizontal slide paths on an upper plate, which carries lace bobbins. Between the plates are worm wheels to move the bobbins. A side cover wall bridges the interspace between the plates and has, on its upper and/or lower longitudinal edge region which carries the plate circumference, elastically flexible clamp projections, particularly in the form of cleats, whose clamping positions run in parallel rows along the plate edges and which, corresponding to the desired clamping forces, are established to resist separation of the upper and lower sides of the plates in the direction, at the time, of the mid plane of the plates.
Patent DE-1903541-A1 (DE)
Title: Gas filter dust discharge valve
IPC: B01D46/04
Filed: 1969-01-24
Abstract: The valve has two flaps that can pivot into an open and a closed position, arranged at a distance above each other on opposite sides on the inside of an outlet union. On the outside of the union each flap engages, by means of pivot of an angle lever into two slots in driving disc at a distance from and in line with each other. In the middle, between the slots is a crank slot perpendicular to them, which holds a crank pin.
Patent DE-1924170-A1 (DE)
Title: Methyl triethyl lead
Inventor: PSARRAS THEODORE
IPC: C07F7/24
Filed: 1969-05-12
Abstract: Sodium and tetraethyl lead in ratio at least 2.2 moles sodium per mole of tetraethyl lead are stirred in sufficient liquid ammonia to make a reaction mixture capable of being stirred at -10 to +50 degrees C under autogenous pressure to obtain a reaction mixture containing sodium triethyl plumbide, which is reacted with at least 2.2 moles methyl chloride per mole tetraethyl lead under autogenous pressure at -10 to +50 degrees C to obtain methyl triethyl lead which is recovered. Pref. there are used 2.2-3.0 moles sodium and 2.2-5 moles of methyl chloride per mole of tetraethyl lead and 12-25 moles liquid ammonia. Methyl triethyl lead is an antiknock additive for petrol.
Patent DE-1934554-A1 (DE)
Title: Deposition of pyrolytic carbon on nuclear - fuel particles
Inventor: HERMANN HACKSTEIN DIPL-CHEM DR
IPC: C04B41/50
Filed: 1969-07-08
Abstract: Uranium, thorium and plutonium oxides or carbides are coated with pyrolytic carbon and silicon carbide to retain radioactive fission products in the particles on nuclear fission of the fuel. The pyrolytic carbon and silicon carbide are deposited by the thermal decomposition of gaseous cpds in a fluidised bed. The gaseous substance is fed in through a pipe which separates the coating zone from the reaction zone.
Patent DE-1953373-A1 (DE)
Title: Hydrodesulphurisation of crude oils
Inventor: CARLSON EDGAR
IPC: C10G45/08
Filed: 1969-10-23
Abstract: Crude oil or topped crude oil containing an asphaltene fraction of the crude oil, is hydrodesulphurised by passing a mixture of hydrogen and the crude oil, under a superatmospheric pressure of not more than 210 kg/cm2 through a bed of a hydro-desulphurising catalyst consisting of group (VI and VIII) metals on a support, the particles in the bed having a diameter of 0.63-1.27 mm, and the catalyst bed having a sufficiently high ratio of diameter to height to ensure that the discharge from the reactor has a superatmospheric pressure which is not more than 24.5 kg/cm2 lower than the superatmospheric pressure of the feed.
Patent DE-1965855-A1 (DE)
Title: Lightweight building materials comprising - mineralised sawdust and an inorganic or
Inventor: COLLETTE GEORGES
IPC: C04B18/28
Filed: 1969-12-22
Abstract: Lightweight building materials comprise minerallised sawdust (I) and a binder (II). (I) is made by impregnating the sawdust with a 5-150% solution (on water) of a heavy metal sulphate (III), and adding sufficient base (IV) to give a pH of about 13, whereby the sulphate is converted into colloidal hydroxides which are retained in the sawdust. (III) may be technical ferrous sulphate in crystalline or conc. liquid form as well as Ti-, Co-, Ni-, Cu-, or Zn sulphates. (IV) may be lime or other bases such as BaO. (II) may be Portland cement, iron Portland cement, supersulphate cement, vinyl chloride/vinyl acetate copolymer, PVC, polyvinyl acetate, epoxy resin urea formaldehyde resin or urea-phenol-formaldehyde resin. The binder may be in the form of an emulsion of a natural or synthetic resin, e.g. polyvinyl acetate, pitch or bitumen emulsions. The treated sawdust has good mechanical properties, is non-flammable and insensitive to changes in temp. and moisture, and to microorganisms.
Patent DE-1966018-A1 (DE)
Title: Reinforced flexible plastic hose
Inventor: EICHELBERGER LEO
IPC: F16L11/112
Filed: 1969-10-18
Abstract: Axial reinforcement cords extends between an extruded cylindrical inner sleeve and an extruded spiral reinforcement. An outer extruded sleeve fits closely over the axial and spiral reinforcements. The axial reinforcements are formed, as untwisted plastic cords or plaited or woven strps and the spiral reinforcement is made of PVC or polyurethane and has a circular semi-circular, triangular or rectangular cross-section.
Patent DE-2007825-A1 (DE)
Title: Sodium tripolyphosphate/nitrilo-triacetatehy - mixtures
IPC: C11D3/33
Filed: 1970-02-20
Abstract: Process as in parent patent in which sodium tripolyphosphate (1) is sprayed with an aqs. soln of sodium nitrilo-triacetate (B) in the form of a fine mist, is modified by spraying amixture of (A) and (B), maintained in steady movement with a fine mist of water. The water pref contains <=10% of a binder and are excess of <=30% over that required to form the hexahydrate of (A) is used. (A) and (B) pref. have similar particle size distributions, and the end-product contains 3-70 (esp. 20-50%) of the mono-and di-hydrates of (B). The process allows mixtures of any desired proportion of (A) and (B) to be made and a homogeneous, stable free-flowing granulate is obtd
Patent DE-2026623-A1 (DE)
Title: Fatty acid sarcosides bleaching process
IPC: C07C233/45
Filed: 1970-05-30
Abstract: N-fatty acid sarcosides (esp. N-lauroyl-, N-stearoyl-, N-oleyl and N-cocoyl-sarcosines) are bleached in acid soln. at 60-85 degrees C with 0.01-0.5% of hydrogen peroxide, NaClO3 or oxygen and then neutralised. The raw material (from material (from the fatty acid chloride and sarcosine at below 30 degrees C) is pref. washed beforehand with dil. H2SO4 or dil. H3PO4.
Patent DE-2108294-A1 (DE)
Title: Brightening surfaces of copper alloys - with soln contg urea or its deriv and weak acid
IPC: C23F3/06
Filed: 1971-02-20
Abstract: Surfaces of articles made from alloys contg. 40-95% Cu, esp. Al-bronze or Al-Ni-bronze are lastingly brightened by treatment with a soln. contg. urea or its S-free deriv. and an acid having a pK value =6, pref. 3-5 (pref. acetic or tartaric acid). This soln. is superior to the normally used dichromate solns. as it is nontoxic, cheap, can be disposed of to sewers, can be used repeatedly upon replenishment of urea and acid, and does not attack the metal.
Patent DE-2154520-A1 (DE)
Title: Spot welding of rear hearth plate of oven - using deep drawn rear plate
Inventor: MICKE MATHIAS
IPC: F24C15/00
Filed: 1971-11-03
Abstract: The rear well is spot welded to the baking pipe sleeve of a hearth by a method involving the prior deep drawing of the rear wall to form corrugations extending over the intended weld area. All weld areas of each side of the sleeve are welded simultaneously along lines of contact of the corrugations with the corresponding sleeve side surface area. The method permits the mass prodn. of the hearth chamber using properly tooled spot welding jig and unskilled labour.
Patent DE-2204238-A1 (DE)
Title: Press with table supported on liq cushion - for producing compression-moulded chipboard,fibre board,etc
IPC: B30B15/06
Filed: 1972-01-29
Abstract: In a press for the prodn. of compression moulded panels e.g. chipboard, fibre board etc., having a frame with press platens attached to the fixed press columns and the movable press table operated by a piston-cylinder actuator, a liq. cushion is attached to the press table between this and the movable platen in freely floating fashion so that it is supported unaffected by deformation of the press under load. Uniform thickness within close tolerances is obtd.
Patent DE-2206341-A1 (DE)
IPC: G04F10/04
Filed: 1972-02-10
Abstract: For measuring the timing of quartz crystal timepieces there is provided a microphone pickup which is adapted to pick up vibrations from the casing of the timepiece and to convert these mechanical vibrations into an electronic or electrical signal which is amplified and fed to a crystal filter, the filtered signal then being further amplified and supplied to a counter. This enables the vibrations generated within the casing by a quartz crystal to be measured and the accuracy of the timepiece to be checked.
Patent DE-2213010-A1 (DE)
Title: 2-alkyl-2,3-dihydro-6-pyridazones - useful as pharmaceuticals and inters
Inventor: KROPP RUDOLF
IPC: C07D237/04
Filed: 1972-03-17
Abstract: 2-Alkyl-2,3-dihydro-6-pyridazones of formula (I): (where R1, R2 and R3 are halogen, H, an aliphatic residue, or the group -OR6, -SR6 or -NR6R7 (in which R6 and R7 are aliphatic, cycloaliphatic, araliphatic or aromatic residues or are linked so as to form a heterocyclic residue); R1 can also be SH, OH, NH2, -NHR6, a cycloaliphatic residue, an aromatic residue, CN, -NH-N(R8)2 (in which each R8 (same or different) is H or an aliphatic or aromatic residue) or -NH-SO2-R9 (in which R9 is an aromatic residue or is o-, m- or p-acetamidophenyl); R2 can also be OH, NH2, or -NH-R6; or R2 and R3 can be linked so as to form a ring; R4 is alkyl; and R5 is an aliphatic, cycloaliphatic, araliphatic or aromatic residue). (I) are pharmaceuticals (some compounds having effects on the central nervous system and some being active against pathogenic fungi and bacteria) and intermediates for pharmaceuticals, dyes and pesticides.
Patent DE-2232254-A1 (DE)
Title: Hardened thermoplastics rubber - by mixing SB copolymer and polystyrene with added silica preventing segregation
Inventor: MUELLER HORST
IPC: C08J3/20
Filed: 1972-06-30
Abstract: A method of making granulate of a homogeneous mixt. of thermoplastics butadiene-styrene-copolymers with polystyrene, utilising conventional plastics processing machines, is as follows; these two components, together with other additives are combined in a rapid mixer at up to 170 degrees C to form a plastic mass; then silica or related products are added to bring it to a fluid state. In a preferred variant, 100 parts buadiene-styrene copolymer, 30 parts polystyrene granulate, 15 parts naphthenic oil, 0.2 parts anti-oxidising agent, 0.2 parts heat stabiliser and 5 parts synthetic silica are mixed for 10 minutes to 120 degrees C in a mixer; to this hot mixt. 2-8 parts of silica are added. followed by furtehr mixing for 5-30 seconds. This results in a crumbled material of variable grain size.
Patent DE-2232426-A1 (DE)
Title: Multichamber treatment furnace - esp contg vacuum chamber has transfer devices which move in one direction only
Inventor: KNOWLES MALCOLM FREDERICK WILL
IPC: C21D1/74
Filed: 1972-07-01
Abstract: The furnace comprises two chambers separated by an intermediate chamber or lock so that the two chambers can be operated under different pressures and/or different atmospheres; two transfer devices are used, respectively for transferring from the first chamber to the lock and secondly from the lock to the second chamber. The first chamber is isolated from the lock by a valve plate which, in the closed position, fits tightly against a perimeter wall of the first chamber and, in its open state, moves away from this wall towards the opposite wall of the lock. In this second position, it is nearer to this opposite wall of the lock then to the peripheral wall of the first chamber. Pref. the second chamber is a vacuum treatment chamber and the first transfer device is fixed to the valve plate and travels with it; thus, as the valve plate is moved to open the first chamber into the lock, the material in the first chamber is moved with it into the lock chamber.
Patent DE-2241481-A1 (DE)
Title: Hydraulic pressed material with synthetic resin surfaces - eg chipboard, using air blasts to prevent premature heating and condensation of synthetic resin film
Inventor: LANGE WOLFGANG
IPC: B27N7/00
Filed: 1972-08-23
Abstract: In the short cycle, hydraulic heated press process the lower presser plate is lifted 5-100 mm, esp. 10-20 mm off of the heating plate during the pressureless period of the press and air is blown into the space between the presser plate and heating plate. Pref. the air can be distributed over the whole plate by a porous surfaced hollow pad in the back of the presser plate.
Patent DE-2304909-A1 (DE)
Title: Determination of micro-organisms in aq emulsions, esp milk - using proteolytic enzyme to reduce size of protein particles and to facilitate filtration without affecting the microorganisms
Inventor: GODBERSEN GODBER DR
IPC: G01N33/04
Filed: 1973-01-31
Abstract: Proteolytic enzymes, esp. enzyme produced by Bacillus subtilis is used to decompose protein particles; it does not affect the microorganisms. A surfactant, pref. a non-ionic surfactant of the isotridecanol-polyglycol type, can be added. A bacteriostatic preserving agent can be used; pref. a 50% solns. of an alkyldimethylbenzylammonium chloride. The germs can be coloured pref. with methylene blue, and counted on the filter under a microscope.
Patent DE-2306665-A1 (DE)
Title: Extruder with de-gassing device - consisting of a spiral ring nozzle from a first to a second screw
Inventor: LEHMLER EUGEN
IPC: B29C48/445
Filed: 1973-02-10
Abstract: The material is fed to an outer tapered screw and heated. At the end of this screw it is extruded as a thin film through a spiral ring nozzle, whose pitch is adjustable by a moving cylinder, to a second and larger central screw. Most gases then escape. The material is consolidated however by the second screw and residual volatiles escape so that it is completely gas-free when it reaches the extruder head.
Patent DE-2314863-A1 (DE)
Title: Plaited stuffing for packing box - small quantity of poly tetra fluoro ethylene yarns plaited into asbestos fibre plaited backing
Inventor: BOCK KURT
IPC: D04C1/12
Filed: 1973-03-24
Abstract: Plaited stuffing box packing has its wear resistance properties improved in that into the plated backing of packing made of asbestos fibres a small quantity of PTFE fibres is drawn into the backing along its outer surface by plaiting.
Patent DE-2319046-A1 (DE)
Title: Disinfectant phosphorous acid esters - esp effective in low concns against eggs of ascarides lombrocoides
Inventor: DUEWEL DIETER DR
IPC: C07F9/141
Filed: 1973-04-14
Abstract: Title cpds. are of formula (I):- (where R1 and R2 are H or CH3; R3-R6 and R8 are H or 1-4C alkyl; R7 is 8-18C alkyl or alkenyl; n is 2 or 3; m is 0-4; when m is 1-4, R2 is H and when m is 0, R3 and R4 must be H if R1 and R2 are CH3, and R4 must be H if R3 is propyl or butyl), e.g. phosphorous acid 3- 2-(2-dodecylaminoethyl)-aminoethylammonium -2:2-dimethylpropyl ester. They are obtd. by reacting corresp. substd. cyclic phosphites with amines at 60-150 degrees C.
Patent DE-2323751-A1 (DE)
Title: High speed agitator with stator - mounted freely and revolving on rotor shaft without fixed supports
Inventor: OELSCHLAEGER GERHARD
IPC: B01F7/16
Filed: 1973-05-10
Abstract: An agitator for a rapid mixer, esp. dissolver, consists of a rapidly revolving disc with serrated edge, mounted inside an annular stator. This stator is mounted on the drive shaft of the disc and is itself free to revolve. The shaft is thus exposed, promoting agitation. The cleaning of fixed supports is not necessary.
Patent DE-2323837-A1 (DE)
Title: Coded halographic recording of objects - uses light source emitting reference wave and object wave
Inventor: OST JOACHIM DIPL PHYS
IPC: G03H1/02
Filed: 1973-05-11
Abstract: The apparatus consists of a coherent light source emitting a reference wave and an object wave, a code diffusor and a recording medium which is made of a thermoplastic material placed on a flexible rolling strip-shaped recording carrier. The thermoplastic material is a plastic applied to the carrier together with a transparent photoconductive material. The outer surface of the thermoplastic material is sensitised by an evenly distributed positive or negative charge by means of a corona sensitisation. On exposure, the photoconductor conducts where light strikes, but insulates at unexposed points. The result is a light pattern to which a charge profile corresponds.
Patent DE-2335165-A1 (DE)
Title: Wall fixing holder for decorative or utility fitments - large press stud type two piece joint
Inventor: ULDA TILMAN
IPC: A47G1/16
Filed: 1973-07-11
Abstract: The holder is intended for use with picture frames, key racks or bracket lights etc. The spherically hollowed socket part can be an integral part of a plastic expanding wall plug where the socket part is held projecting from the wall by a flange. It can be made as a discreet part with a screw hole or as part of the screw head. The stud portion is an integral part of the article to be supported and is of a matching size to obtain a snap-in retention. For larger articles, the studs are used in conjunction with stiffening ribs to prevent warping.
Patent DE-2335207-A1 (DE)
Title: Cover for the gaps between adjacent roof supporting members - has covering profile which is clamped on one support member
Inventor: KRAUSCHE REINHARD
IPC: E04G21/28
Filed: 1973-07-11
Abstract: This roof covering is designed for tensioned fabric roofs protecting the areas below against winter and bad weather effects. The roof has a pair of support beams made from tubular sections. The gap between these two members is covered by a flexible profile which is held on its underside by a rib in a bracket fastened to one of the support beams. One edge of this gap covering profile is folded over and it effectively seals the gap between the roof fabric and the closing profile. The other edge is connected by a tensioning spring to the other facing beam. This profiled cover deflectrs any water falling on this joint and follows any movements of the roof fabric.
Patent DE-2335499-A1 (DE)
Title: Batik decorating, degreasing and cleaning of leather - using harmless components, such as colours binders, etc
Inventor: SCHOEPP FELIX
IPC: B05D7/12
Filed: 1973-07-10
Abstract: Process for decorating with batik, batik-like motifs, drawings, colouring, painting, degreasing, cleaning etc. of finished leather and leather goods uses harmless colours, binders etc. Purified turpentine oil,chlororubber lacquer or 'Plexalkyd' (RTM) is used to increase the adhesion. With absorbent leather, the addn. of 3-5 drops of a soln. of 0.1-1 g chlororubber in 5 g turpentine oil (or 'Plexalkyd') for 100 g paint is sufficient. 3-10 drops Oelum Hyperici for 100 g paint is effective as plasticiser, whilst 'Plextol B 500' (RTM) can be used as diluent, binder, thickener and gloss regulator, being compatible in an amt. of 2-50%. Glucose soln., A12(SO4)3 soln., gum arabic, cellulose, paste, size (e. g. methylcellulose and cellulose glycollate) can also be added as thickeners and diluents. The prepns. are harmless and are used at room temp.
Patent DE-2346020-A1 (DE)
Title: Contactless switching device - has externally controlled oscillator controlling switching component in load cct. and rechargeable battery
Inventor: GEHL WILFRIED DIPL ING
IPC: H03K17/945
Filed: 1973-09-12
Abstract: The circuit has an externally controlled oscillator which controls a switching component in the load circuit. A rechargeable battery is provided in the switching device for the oscillator supply and for control current for the switching component generation; the battery is a button cell, with a switch in series with it. The circuit can be connected by two external wires to an A.C. voltage source and a load. The battery acts as a buffer which can operate as wanted either closed upon itself or switched through to the load circuit. This arrangement needs neither a remainder current nor remainder voltage.
Patent DE-2348214-A1 (DE)
Title: Roof ventilator for room ventilation - has individually hinged sides in place of gravity shutters
Inventor: ESSER KLAUS
IPC: F24F7/02
Filed: 1973-09-25
Abstract: The ventilator is placed at the top of a vertical outlet shaft above an extractor fan. It has a base which fits on top of the outlet shaft. Four sides forming a rectangular extension to the shaft are attached to the base by hinges. The short sides are also hinged to the longer sides by further hinges. When the fan is off the sides fold in to close the outlet, thus performing the same function as gravity shutters. When the ventilator is closed there is no recess between sides and shutters to trap dirt and moisture which have an adverse effect on gravity shutters.
Patent DE-2353667-A1 (DE)
Title: Throughflow heater for water - has regulators, for heating bodies, with different switch-on and switch-off temps.
Inventor: LIEBE FRIEDRICH
IPC: H05B1/02
Filed: 1973-10-26
Abstract: Throughflow heater with thermal control and with switchable electric heating elements has the water outlet temp. fluctuating about a reference value. The fluctuations are equalized by switching the heating bodies with a regulator which has set switch-on and switch-off temperatures which are different. The regulator with the highest switch-on temperature has the lowest switch-off temperature; that with the lowest switch-on temperature has the lowest switch-off temperature; that with the lowest switch-on temperature has the highest switch-on temperature; and the others have corresponding average temperatures all pref. symmetrically about the reference value. Switching is minimised.