baber/WOPTO huggingface dataset:
Patent DE-2710529-A1 (DE)
Title: 3,3'-Thio-di-propionamide prodn. - by reacting acrylamide with hydrogen sulphide in presence of aqueous base
Inventor: SCHOENBECK RUPERT DR
Filed: 1977-03-10
Abstract: In a new process for prodn. of beta, beta'-thiodipropionamide (I), acylamide is reacted in aqueous medium of 20-80 degrees C with H2S in the presence of 0.01-0.01 equivalents of a water-soluble base, the pH in the reaction soln. not exceeding 8. (I) is used as an antioxidant for polyethylene (US 2981717). It is also useful as an intermediate for stabilisers, softening agents, and synergists for insecticides herbicides and plant growth regulants. Carrying out the reaction in the presence of a water-soluble base gives high yields and (I) is obtd. highly pure form. In an example, H2S is passed into 0.06-M NaOH (250 ml) until pH 7.5 is reached, then acrylamide (71g) is added and H2S (10% excess) is passed into the mixture for 4 hrs. at 40 degrees C. After cooling in ice (I) is filtered off. Yield 85g (=96.5%).
Patent DE-2733086-A1 (DE)
Title: Detachable coupling for fixed pipeline - has coaxial sleeves with flexible seal ring in internal location groove
IPC: F16L25/12
Filed: 1977-07-22
Abstract: The detachable pipe section, installed in a fixed pipeline, includes two bolt flanges (11) with relative axial movement. Attached to one flange, is a location collar (10) which is provided with an internal radial groove (14) for the location of a seal ring (15). The second flange is provided with a tubular sleeve whose free end fits inside the location collar on the first flange. When installed, the seal ring is compressed by the inserted sleeve in order to produce a static seal. The internal fluid pressure reaches the seal ring through a radial gap (16) in order to assist its compression and hence its efficiency.
Patent DE-2742425-A1 (DE)
Title: One-piece blank container for bags - has lug on each side of one sidewall for joining to adjacent ones
Inventor: SCHMIDT FRITZ
IPC: B65D5/32
Filed: 1977-09-21
Abstract: One of the sidewalls (7) has a lug (21, 22) at each side, by which it is joined to the adjacent ones, and each lug has three fold lines (23 - 25) inclined to each other and intersecting at one of its corners, to form a corner fold. An opening (26) can be formed between the two outermost fold lines, enclosed on both sides by connecting portions (27, 28) between lug and sidewall. The container may be made of cardboard, corrugated paper or plastics.
Patent DE-2742686-A1 (DE)
Title: Hydro-per:fluoro-alkenyl carboxylic acid ester enamine derivs. - prepd. by reacting di-hydro-per:fluoroalkyl-or hydro-per:fluoro-alkenyl carboxylate with an amine
Inventor: BATHELT HEINRICH DIPL CHEM DR
IPC: C08F2/38
Filed: 1977-09-22
Abstract: 1-Hydroperfluoroalken-1-yl carboxylic acid esters enamine derivs. have formula Rf-C(-NR1R2)=CH-COOR3 (I) (where Rf is 5-11c perfluoroalkyl; R1 and R2 are H or lower alkyl and R3 is lower alkyl). (I) can be used in (i) textile-, leather- and paper industry as intermediates, e.g. for oil- and water-repellent agents; (ii) as plasticisers, imparting self-lubricating properties to plastics; and (iii) as chain regulators for radically initiated polymerisation. (I) are prepd. by reacting (a) an alkyl 1,1-dihydroperfluoroalkyl carboxylate having formula Rf'-CH2-COOR3 (II) (where Rf is 6-12C perfuloroalkyl) or (b) an alkyl 1-hydroperfluoroalken-1-yl carboxylate having formula Rf-CF=CH-COOR3 (III), with NH3 or an amine H-NR1R2 (IV) opt. in inert solvents and in the presence of a non-reactive base, at -10 to +200(0-120)degreesC. The reaction of (II) and (IV) takes place via (III), which can be sepd. in almost quantitative yields.
Patent DE-2743221-A1 (DE)
Title: Positive and negative control of beam unrolling motion - by differential wheels synchronised to warp and fabric length
Inventor: DROULEZ MICHEL
IPC: D03D49/06
Filed: 1977-09-26
Abstract: A mechanism for giving control over the unwinding of a wrap comprising a web of threads wound on a beam in a loom or warp knitting frame, having a take up roller for the fabric and >=1 beam, includes a differential, acting as a comparator between the length of the fabric produced and the length of warp let off by the beam motion, which generates variations in pressure in a pneumatic system, by the opening and closing of a valve. In the differential, the rotation of one of the planetary gears is controlled from the fabric take up roller, whilst the other planetary wheel is regulated by the linear unrolling of the wrap threads. The system can be adapted to most existing beam let off motions, converting them to positive operation, i.e., so that they let off a length of warp which is determined by the design of the fabric. There is always the possibility of negative control if the technical conditions call for it.
Patent DE-2745043-A1 (DE)
Inventor: KATONA TIBOR
IPC: G01N33/36
Filed: 1977-10-06
Abstract: Measuring units (201...210) in a number of tearing-test units set up in parallel measure the tensile forces acting on the yarn until the yarn tears. A digital control and data processing unit (222 to 226) monitors, controls and registers the testing process. Comparators (211...220) form a difference signal which occurs between the measurement and a reference signal coming from the D/A converter (227) and which is transferred to the control and processing unit via an A/D converter (221). The measurement values are stored for a short time in a RAM memory (223) and forwarded to a display and/or to a printing unit. The device automatically compensates for zero deviations of the measuring units (201...210). <IMAGE>
Patent DE-2745057-A1 (DE)
Title: (N)-triazine-di:one-carboxyl derivs. of amoxycillin - useful as antibiotics against Pseudomonas infections
Inventor: BAKER STEPHEN RICHARD
IPC: A61K31/715
Filed: 1977-10-06
Abstract: Penicillins of formula (I), their salts and esters are new. In (I), Z is O or S. (I) are antibiotics with esp. high activity against Pseudomonas aeruginosa; e.g., (I; Z = O) gives MIC values of 0.5-8 mu g/ml against a large no. of Ps. aeruginosa strains, compared with >= 32 mu g/ml for carbenicillin. Combinations of (I) and amikacin, i.e. L-(-)-alpha-amino-alpha-hydroxybutynyl kanamycin A, in a ratio of 1:2-100 exhibit a synergistic effect in this respect. In an example, (I; Z = O) is prepd. from 1,2,4-triazine-3,5-dione-6-carboxylic acid azide and D(-)-6-(alpha-amino-4-hydroxyphenylacetamido)penicillanic acid.
Patent DE-2745114-A1 (DE)
Title: Cable cutter using two blades - has driver ensuring high cutting force at start of cutting stroke
Inventor: WOLTER ECKHARD
IPC: B23D29/00
Filed: 1977-10-07
Abstract: The cable cutter has two guided opposite cutting blades. High cutting force is applied at the beginning of the cutting movement of these blades. A blade actuator is pushed in the commong application plane against one cutting blade and the arrangement is designed so that the cutting blades are immediately relieved on opening. The pressure exerting arrangement actuates the cutting blades by means of a cam surface (18). The common driving part (5) is connected to a moving cam carrier (16).
Patent DE-2755150-A1 (DE)
Title: Body vibration detector for alarms - has inbuilt suppressor for environmental disturbance effects and permits abnormal sounds to pass through
IPC: G08B13/16
Filed: 1977-12-10
Abstract: A body vibration pick-up is used as the basis of an alarm system that is effective against burglary. The system is designed to provide capability for suppression of environmental disturbances. The signals from a pick-up (1) are amplified (3) and processed through a high pass fitter (4) (greater than 7 kH2). Signals are delayed (5) and used to trigger a threshold stage (6). The delay and threshold stages ensure elimination of environmental disturbances while allowing transients caused by explosion to have effect.
Patent DE-2759231-A1 (DE)
Title: Bone tissue grooving instrument - has milling cutters with meshing teeth in row in housing on drill head
Inventor: SCHEICHER HANS DR MED DR MED
IPC: B23Q5/04
Filed: 1977-12-31
Abstract: The instrument forms grooves in bone tissue, particularly to accommodate prefabricated enossal dental semi-implants. It has an adaptor (7) fitting on the underside of a conventional drill head (1), and a pot-shaped housing (9) accommodating milling cutters (17-19) with teeth on their shanks and arranged in a row. The cutters mesh by means of these teeth, and one of them (18) has an extended shank (15) protruding through an opening in the top of the housing (20), opposite the socket in the drill head.
Patent DE-2807233-A1 (DE)
Title: Film cassette with lubricated inside walls - has film describing large arc to rub against lubricated wall in feed chamber
Inventor: KANEKO KEEJI
IPC: G03C3/00
Filed: 1978-02-20
Abstract: A film cassette has an inside chamber lubricated so that the film, describing as large an arc as possible and rubbing against the lubricated wall, moves with reduced friction and less strain is exerted on mechanical winding mechanisms in cameras when the film has been left static for months and become set. The lubricated surface (16) is inside the feed chamber (6a). The lubrication may be extended into the neck of the feed chamber (6c) or reduced as required depending upon cassette design.
Patent DE-2814190-A1 (DE)
Title: Guillotine for sheet metal strips - has horizontal upper and inclined lower cutters ensuring straightening of cut strip
Inventor: SCHNEIDER WILHELM
IPC: B23D15/06
Filed: 1978-04-03
Abstract: The table and cutting beam is used for torsion free cutting in guillotines. The upper cutter beam (1) is arranged horizontally. The cutting table (3) with the lower cutter is arranged at the required cutting angle relative to the upper cutter (2) on the beam (1). This reversed arrangement straightens the metal strip during cutting.
Patent DE-2816258-A1 (DE)
Title: Chemical cleaning of boiler and smoke flue - by spraying with detergent contg. film forming mineral oil fraction and operating boiler
Inventor: ALFERMANN JOSEF
IPC: F28G11/00
Filed: 1978-04-14
Abstract: The process involves removing loose soot, spraying the surface to be cleaned with a detergent contg. a film-forming mineral oil fraction and setting the boiler in operation again. The process is also suitable for cleaning coke boilers, smoke traps and chimneys. The need for mechanical removal of deposits is eliminated and the process is rapid, simple and economical, since the residues loosen and burn away. Even areas which are not readily accessible can be cleaned without difficulty.
Patent DE-2817993-A1 (DE)
Title: Securing catch for tipping surface on lorry - has retaining catch and remote release inside hollow support
Inventor: WETZEL LEO
IPC: B60H1/26
Filed: 1978-04-25
Abstract: The tipping surface of the vehicle is dropped over a cone shaped head (9). This head is mounted on a sprung shaft (10) nad it has the head locating in a recess in the tipping surface. The securing catch (14) drops into place behind the head and is normally accommodated inside the hollow support section of the tipping surface. The catch mechanism, as well as the remote release for the catch are protected inside the hollow frame from damage and dirt, to provide a reliable operation.
Patent DE-2822518-A1 (DE)
Title: Integral ceramic nozzle with gas delivery manifold - for supplying inert gas to permeable bore section surrounded by impermeable body
Inventor: LUNDE MARVIN C
IPC: B22D41/58
Filed: 1978-05-23
Abstract: An integral ceramic nozzle comprises a bore section which is gas-permable and has a flange at one end. A non-gas-permeable ceramic body surrounds the section and includes a flange portion surrounding the flange of the section. The body and bore define a relatively thin elongated hollow annular manifold between themselves which extends the length of the section. An aperture is formed through the body and communicates with the manifold via. a conduit to supply inert gas to the manifold. Used as ceramic nozzle of submersible type in continuous casting of molten steel. The nozzle is free of cemented junctions and is less prone to failure due to thermal shock incurred when molten material passes through. It is less expensive to manufacture and does not get clogged up.
Patent DE-2828877-A1 (DE)
Title: Folding instant picture camera - has spring band support to hold lens panel in taking position
Inventor: FAUTH GUENTER
IPC: G03B17/04
Filed: 1978-06-30
Abstract: A folding instant picture camera has a lens panel for a set or adjustable lens. The lens panel folds down into the camera back section and is held in the taking position by a support prop. The lens panel (2) is held in the taking position by a spring band (6) which forms a stiff support over the distance it is extended. When folded the spring support (6) is retracted around a drum former in the back unit and behind the lens panel. More than one spring support can be provided.
Patent DE-2829450-A1 (DE)
Title: Device for determining setting time of polymer-based mixt. - has thermocouple feeding temp. signal to storage memory triggering stop watch
Inventor: OPPERMANN FRANK DIPL ING
IPC: G01N25/02
Filed: 1978-07-05
Abstract: Device for determining the setting time of thermosetting mixtures has thermocouples which produce during setting process electric signals transmitted to a max. value memory which on registering the max. temp. value switches on an electric stop watch. Used with plaster of Paris or single or multiple mixtures based on unsatd. polyester resins or polyurethane. Device permits of rapid and accurate (within a few secs.) measurement of mixt. setting times. Indicated time and max. temp. are displayed continuously until cancelled by the operator.
Patent DE-2832320-A1 (DE)
Title: Reinforcement between adjoining concrete slabs - comprises series of linked sections running along and across joint line
Inventor: HESS GUDEHARD
IPC: E04C5/06
Filed: 1978-07-22
Abstract: The reinforcement is for bridging the meeting point, or joint gap, between two prefabricated concrete components, such as walls, in the form of two panel-type elements at an interval from each other. There is at least one reinforcing element (8), assembled from a number of interconnected sections (9, 10), aligned partly in the direction of the joint and partly across it. It extends almost or completely over the whole length of the joint. It may comprise one or more steel rods curved in a serpentine shape, with several parallel sections linked by a cross one, which is curved in an arc. This enables reinforcement in the panel-shaped elements to be completely embedded, without protruding.
Patent DE-2832502-A1 (DE)
Title: Battery electrolyte contg. inert additive reducing dielectric constant - to give automatic regeneration after partial discharge
Inventor: GUETTNER WOLFGANG JOACHIM
IPC: H01M10/615
Filed: 1978-07-25
Abstract: Accumulator electrolyte (I) contains an electrically inert, non-dissociated additive (II), which has a smaller dielectric constant (DC) then water and reduces the DC of (I). (II) can be a liq. or solid which is miscible with or soluble in (I). (II) is used specifically in (I) of Pb-H2SO4 or Ni-Cd (-Fe)-KOH accumulators. These can be used for a wide variety of purposes, e.g. in transistor radios and pocket calculators, rechargeable vehicle and domestic batteries or for an extended power supply in the MW range. Additive causes self-charging after previous partial discharge, i.e. automatic thermoelectrochemical regeneration.
Patent DE-2842563-A1 (DE)
Title: Steel with exceptionally low phosphorus content - made by treating molten steel with mixt. of calcium carbonate, sodium carbonate, ferric oxide, and fluorspar
Inventor: BARDENHEUER FRIEDRICH DR ING
IPC: C21C7/064
Filed: 1978-09-27
Abstract: Molten steel is refined in a vessel and the refining slag is removed. After refining, or shortly before the end of refining, when the unkilled steel contains 0.4% carbon, a carrier gas is used to inject a mixt. (I) deep enough into the melt in the refining vessel so thorough mixing of the steel with the slag formed by mixt. (I) occurs. The slag is then held back while the steel is tapped a ladle for a conventional final treatment. Mixt. (I) contains CaCO3 and Na2CO3 in ratio 1:1 and also up to 30 wt. % CaF2 and/or Fe2O3. The pref. mixt. (I) has a grain size 1 mm and consists f a stoichiometric mixt. forming the double carbonate CaNa2(CO3)2 and contg. 10% each of CaF2 and Fe2O3. Mixt. (I) pref. forms 1-3% of the melt. Apart from producing e.g. 0.0003% P in the steel, the process is undertaken in the refining vessel so a loss of temp. in the ladle is avoided.
Patent DE-2842713-A1 (DE)
Title: Prepn. of cationic polyamido-amine resins - used to increase dry strength of paper without increasing the wet strength
Inventor: HAHN ERWIN DIPL CHEM DR
IPC: C08G69/48
Filed: 1978-09-30
Abstract: The resins are prepd. by (a) alkylating at >=15%, (esp. 20-50%) of the sec. N atoms of the polyamido-amine, and (b) reacting the alkylated product with ethylenically unsatd. 3-5C mono- or dicarboxylic acids or their derivs., vinyl sulphonate, acrolein and/or methacrolein at 30-140 degrees C., (pref. 40-120 degrees C). Pref. this reaction is effected with (meth)acrolein. Used to increase the dry strength of paper, without increasing the wet strength. Effective amts. are 0.2-3% calc. on the solid material, added to the fibre suspensions before paper mfr.
Patent DE-2846638-A1 (DE)
Title: Thermoplastic road surface stripping with recycling - involves alternately heating and removing parallel strips, and reapplication to other strip
Inventor: WIRTGEN REINHARD
IPC: E01C23/088
Filed: 1978-10-26
Abstract: Material on the road surface is first heated, and the thermoplastic material is then cut or striped. The width of roadway to be stripped is divided into two adjacent parts, running lengthways. These are alternately heated and subjected to a cutting or paring process. The material removed from one part, in each case is applied to the heated surface of the other part. Individual phases may be carried out a number of times, one after the other. Min. energy is required and there is no danger of excessive heating preventing or hampering re-cycling of material.
Patent DE-2847485-A1 (DE)
Inventor: EBNETH HAROLD DIPL CHEM DR
IPC: H01Q15/20
Filed: 1978-11-02
Abstract: Metallized sheet-form textile materials of synthetic polymers or natural fibres, to which a metal layer has been applied by currentless wet-chemical deposition, are particularly suitable for use as reflectors for electromagnetic waves in the range from 10 MHz to 1000 GHz. In the case of stretched metallized fabrics, the reflecting radiation is partly polarized which can facilitate or improve the recognition of an object by radar beams. By periodically stretching and relaxing the fabric, it is even possible to modulate the reflected microwaves.
Patent DE-2849038-A1 (DE)
Title: Efficient washing of textiles - in vessel with recirculated stream of air maintaining contents constantly in agitation
Inventor: KLOESTERS ALBERT
IPC: D06F17/12
Filed: 1978-11-11
Abstract: An air current is generated in the inside of a vessel similar to a drum, and keeps the liquor inside it in a constant state of agitation, so that laundry items to be washed are in continuous motion. The stream of air is introduced into the liquor beneath the bottom plate and is extracted from above a cover plate. A second, 10 mm smaller bottom plate which is rotatable is located in the vessel also and has six vanes on its undersurface. The upper surface is slightly conical as is also the undersurface of the cover. Large amounts of detergents can be saved in the machine which rinses the items a number of times. Since circulation is much more intensive less heat and water are necessary.
Patent DE-2851223-A1 (DE)
Inventor: MAIRE BERNARD
IPC: G04G5/00
Filed: 1978-11-27
Abstract: An electronic timepiece comprising counters and logic devices, in which the counters are utilized to memorize a variation of rate of the timepiece with respect to a time reference in response to actuation of a control means, and in which the logic devices are controlled by signals delivered by the frequency divider chain and are arranged to periodically effect automatic correction of the variation of rate by an amount equivalent to the value memorized in the counters. The invention relates to a timepiece which permits the user to himself adjust the rate of his watch by means of a simple manipulation not requiring any complicated adjustment of electronic circuits, and which further performs an automatic correction of the variation of rate.
Patent DE-2851368-A1 (DE)
Title: Cardioactive 19-nor-10-cyano-peruvoside derivs. - prepd. by dehydration of peruvoside 19-oxime with acetic anhydride-pyridine or di:cyclohexyl-carbodiimide-copper(ii)
Inventor: COHNEN ERICH DIPL CHEM DR
IPC: C07J41/00
Filed: 1978-11-28
Abstract: New 19-nor-lo-cyano-peruvoside derivs. are cpds. of formula (I): (where R1 and R2 are H, alkyl, acyl, alkoxymethyl or carboalkoxy with 1-4 C-atoms in the alkyl groups). (I) give an increase in cardiac contractile force and are thus useful in heart therapy, esp. in the treatment of cardiac insufficiency. Compared with the parent cpds. in which the CN group is replaced by CHO, (I) gives rise to a smaller number of cardioactive and inative metabolites. Daily dosage is Ca 0.2-0.6 mg.
Patent DE-2900736-A1 (DE)
Title: Hydroxy-sulphonic acid deriv. of acrolein!-acrylic! acid copolymer - useful as blood coagulating inhibitor to prevent thrombogenic and cardiac diseases
Inventor: VORONKOV MICHAIL GRIGORJEVITSC
IPC: A61K31/795
Filed: 1979-01-10
Abstract: The hydroxy.sulfonic acid deriv. of a copolymer of acrolein and acrylic acid comprises a cpd. with repeat unit formula: where n is an integer denoting a polymerisation degree of 190-600, m is an integer denoting a polymerisation degree of 190-500 and p is an integer denoting a polymerisation degree of 830-850. The hydroxy.sulfonic acid deriv. a copolymer of acrolein and acrylic acid is medically used as a blood coagulating inhibitor to prevent thrombogensis and cardiac diseases.
Patent DE-2901659-A1 (DE)
Title: Azetidine-1-carbox-anilide cpds. - useful as selective herbicides
Inventor: NUESSLEIN LUDWIG DIPL CHEM DR
IPC: C07D295/215
Filed: 1979-01-15
Abstract: Azetidine derivs. of formula (I) are new: In (I) R1 is aryl opt. substd. 1-3 times by 1-4C alkyl, 2-4C alkenyl, 2-4C alkynyl, 3-8C cycloalkyl, halogen, 1-4C haloalkyl, 1-4C alkoxy, 1-4C alkylthio, phenoxy and/or NO2; R2 is H or 1-4C alkyl; X is O or S. Cpds. (I) are herbicides with better selectivity w.r.t. crop plants than related phenylurea derivs. (cf. US 2655445). They can be used, e.g., for post-emergence control of mono- and dicotyledonous weeds in peanut, barley and sorghum crops.
Patent DE-2904232-A1 (DE)
Title: Thermal power station - combines cooling and working process to lower upper temp. level thus making it independent of outside coolant source
Inventor: WOERWAG HANS MICHAEL DIPL ING
IPC: F01K9/00
Filed: 1979-02-05
Abstract: The operation of a thermal power station is made independent of an outside coolant source which ensures working in regions with scarce water, and at the same time improves the overall efficiency. This is achieved by combining the work process with a cooling process which derives the energy from the former. The exhaust steam of a urbine (12) is fed to a condenser (14) while the condensate is returned to a boiler (10) by a pump (16). The turbine drives the compressor (18) handling the evaporated coolant while a heat exchanger (20) is included in the circulation loop of the working medium. The coolant and liquefied medium passes a throttle (24) before returning to the condenser (14) where it evaporates due to the steam condensation.