baber/WOPTO huggingface dataset:
Patent DE-3940081-A1 (DE)
Title: Azo dyes with 1,3,4-thia:di:azole and julolide residues - give fast red to blue shades e.g. on wool and polyamide(s)
Inventor: WALTER HARALD DR
IPC: C09B29/36
Filed: 1989-12-04
Abstract: Azo dyes of formula (I) are new, in which R1 = -SR5, -COOR6 or opt. substd. phenyl; R2 = H, halogen, opt. substd. 1-8C alkyl, 1-8C alkoxy, phenoxy or 2-4 C alkanoylamino, R3 = H or opt. substd.  1-8 C alkyl, R4 = H, opt. substd. 1-8 C alkyl, halogen, -OH, 1-8 C alkoxy, phenoxy, -SO3H, -OSO3H or -S2O3H, X = a direct bond, -O- or -CHR7-, R5 = opt. substd. 1-8 C alkyl or opt. substd.  benzyl, R6 = opt. substd. 1-8 C alkyl, R7 = H or opt. substd.  1-8 C alkyl, with the proviso that the cpd. contains at least one sulpho-, sulphato- or thiosulphato gp. Claimed cpds. (I) have X = -O- or -CHR7- where R7 = H or 1-4 C alkyl, exp. Me; R2 = H, 1-4 C alkyl, esp. Me, or 1-4 C alkoxy, esp. OMe; R3 = 1-4 C alkyl, esp. Me; R4 = H, 1-4 C alkyl, esp. Me, OH, -SO3H or -OSO3H; R1 = -SR5 where R5 = 1-4C alkyl which is opt. substd. by -SO3H, -S-(CH2)2-4-SO3H or -S-(CH2)2-3-H. Specifically claimed cpds. (I) have R1 = -SCH2CH2R8, R2 = H, Me or OMe, R3 = H or Me, R4 = -SO3H, -OSO3H or OH, R8 = H or -SO3H and X = -O- or a gp.  of formula (i). USE/ADVANTAGE - e (I) are useful for dyeing and printing of fibres, yarns, fabrics and knitware made from OH- or N-contg.  materials such as cellulose, silk and esp. wool and synthetic polyamides. (I) give level blue and red shades with good general fastness, esp. good light fastness, rub resistance and wet resistance.
Patent DE-3940825-A1 (DE)
Title: Retarder for goods vehicle - has two pipes of different dia. to connect retarder to heat exchanger
Inventor: VOGELSANG KLAUS
IPC: F16D57/04
Filed: 1989-12-11
Abstract: The retarder (1) for a goods vehicle, has a rotor (2) with buckets arranged around its periphery. The rotor (2) rotates inside a housing (3) with a fixed ring of buckets. The rotor (2) is connected to the propeller shaft of the vehicle and the retarder is brought into operation by circulating a liq. through the housing (3). The liq. flowing out of the housing flows through a pipe (6) which is connected to two parallel pipes (10,11) with different cross-sectional areas. The liq. flowing in each pipe is separately cooled in a heat exchanger (15). The smaller dia. pipe (11) is fitted with a 2/2 ways slide valve and a non-return valve (32) is fitted in the larger dia. pipe (10).
Patent DE-4009960-A1 (DE)
Title: Split bottle crate etc. with carrier handles
Inventor: UMIKER HANS
IPC: B65D/
Filed: 1990-03-28
Abstract: The split bottle crate has slidable carrying handles (6) which lock and release the crate halves (4). The handles are attached to hollow sections of a compartment wall (12) at the intersection points of the crate partitions, or in hollow sections on the crate sides. The handles have locking lugs as pins (10a,10b), fitting into matching sleeves (11a-11c). Each handle has two vertical grip arms (8).
Patent DE-4010372-A1 (DE)
Title: Hearing aid with in-ear insert - has ventilation channel with own transducer actively cancelling sound output
Inventor: WAGNER JUERGEN DIPL ING
IPC: H04R25/00
Filed: 1990-03-30
Abstract: The hearing aid has an earpiece (3) inserted in the external ear passage and has a ventilation channel (6) and a first sound producer (21) for output of sound waves into the passage. There is also provided a second sound producer (9) which outputs sound waves into the ventilating channel and these oppose the sound waves of the first sound producer. The second producer (9) may be coupled via an amplifier (11) to a microphone (13) which picks up sound waves in the channel from the first producer. There may be two sound openings to the second producer. USE/ADVANTAGE - Severely deaf people. Output from ventilation channel does not lead to acoustic feedback.
Patent DE-4011294-A1 (DE)
Title: Laminated noise and interference LC filter - has specified ratio of power inductances in regions forming capacitances
Inventor: NAITO YASUYUKI
IPC: H03H7/075
Filed: 1990-04-06
Abstract: The LC filter comprises a Pi circuit with regions forming two capacitances and one inductance. The capacitances are parallel and the inductance in series to the load. The ratio, meeting a specified term of the power inductances generated in the regions forming the capacitances (C1,2) is greater than 1.2 and smaller, or up to 2.3. A specified relationw of the capacitances is max. 1.5. The three terminals of the LC filter are formed by coupling electrodes, deposited on the outer surfaces of the filter. A magnetic layer and dielectric layers may be plates stacked and subsequently sintered into a block. ADVANTAGE - High input attenuation in frequency range without drawbacks of prior art.
Patent DE-4014823-A1 (DE)
Title: Electric cooking oven with sliding reception rails - supported by carrier grid sliding along inside walls of oven space
Inventor: STROOP HUBERT
IPC: F24C15/16
Filed: 1990-05-09
Abstract: The oven has sliding reception rails (10) fitted to the inside walls of the oven space (2) used to support inserted cooking trays or cooking shelves etc. The reception rails (10) are supported by a carrier grid (5) with coupling elements extending perpendicularly between the spaced rails and supported so that it can slide into and out of the oven, for easy access. Pref., the carrier grid (5) is attached to supports (8) which slide telescopically relative to the walls of the oven space (6). ADVANTAGE - Complete supporting arrangement and separate metal plates can be pulled out, facilitating mfr. and cleaning.
Patent DE-4020551-A1 (DE)
Title: Machining tool checking system using microwave radar - with radar waves evaluated to check tool presence, tool type and tool size
Inventor: LINDNER KURT
IPC: G05B19/4065
Filed: 1990-06-28
Abstract: The tool checking system uses a microwave radar providing an antenna cone enclosing the rotating spindle head. The radar waves are used for scanning specific parts of the tool, to check that the tool is fitted, that it is of the correct type and of the correct size. Pref. the amplitude and phase of the radar echo signals are evaluated via a processing logic (50). USE - For numerically-controlled milling or drilling machine tool.
Patent DE-4020565-A1 (DE)
Title: Foamed cushion mfr. with rigid framework and cover - comprises precut cover mounted on rigid member, clamped at edges and put in cushion tool cavity for casting of foamable mixt.
Inventor: KUEHLTHAU FRITZ
IPC: B29C44/14
Filed: 1990-06-28
Abstract: Cover edges are cut to pref. shape and correctly positioned on the rigid member to create a preform. A clamping element secures the cover edges to the rigid member and the complete assembly is located in pref. mould using clamping element. A reactive foam mixt. is introduced into the closed tool between the rigid member and the cover and expands to fill the cavity simultaneously forcing the cover against the cavity walls.
Patent DE-4022228-A1 (DE)
Title: Monitoring temp. at focal point of a laser beam - which ensure optimal radiation during work process by controlling laser beam powder in response to temp. measured
Inventor: HORNFELD WILLI
IPC: B23K26/03
Filed: 1990-07-12
Abstract: During laser beam working, the temp. at the laser beam impact point and/or surrounding area is monitored and a signal sent to the laser beam prodn. unit to control the output in response to the measured value. The measuring device used works either according to the thermography principle, or the direct measuring principle using a probe, esp. a fibre optic probe, or is a radiation thermometer, a calibrated thermal imaging system. USE/ADVANTAGE - In laser working of material or in medical fields. Ensures an optimal amount of laser beam radiation is used.
Patent DE-4035831-A1 (DE)
Title: Wind power plant with generator driven by rotating impeller blades - has impeller blades on rods connected to their bearing in order that their axes turn themselves relative to wind
Inventor: BERGMANN HEINZ
IPC: F03D1/06
Filed: 1990-11-10
Abstract: The impeller blades (6) producing the wind engagement surfaces are rotatable around the rods (3), and inside the rods are arranged torsion springs (7), which on one side engage the bearing (2) of the rods (3) and at the other side engage the impeller blades (6), so that according to the strength of the wind different rotational angles of the impeller blades can be achieved. The impeller blades can be made of non-tearable fabric. The impeller blades can have the triangular shape of a sail. The blades can have a beam running straight or curved. USE/ADVANTAGE - Wind power plant. In event of storm risk of damage to impeller is reduced to min. Begins to turn with lightest wind.
Patent DE-4037977-A1 (DE)
Inventor: HAUK ROLF DIPL ING DR
IPC: C21B13/14
Filed: 1990-11-29
Abstract: A process for producing pig iron is described, which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt. The gas produced in the melting gasifier is supplied directly via a line 4 as reducing gas to the reducing shaft furnace. The blast furnace gas passing out of the reducing shaft furnace, after traversing a CO2 scrubber 6, is at least partly heated in a heat exchanger to 200 DEG to 500 DEG  C. and passed to a partial combustion plant 13 where, accompanied by the addition of oxygen, the gas is heated to the necessary reducing temperature.
Patent DE-4100019-A1 (DE)
Title: Fairground power driven giant wheel - is mounted by support frame on travel chassis and is lowerable for transport
Inventor: PETZ PETER
IPC: A63G27/00
Filed: 1991-01-02
Abstract: The power driven fairground giant wheel (1) has suspended cabins (11) a support frame (3, 4), and a platform (2). The wheel and frame are mounted on a travel chassis (5), and the wheel can be lowered from its working position into a transit  one. One or more cabins are detachable from their working positions on the wheel. The platform can comprise a middle section below the wheel and two removable side ones (8) so that the platform width does not exceed that of the chassis in transit. ADVANTAGE - Easy change-over between travelling and working positions.
Patent DE-4108985-A1 (DE)
Title: Thermal insulation kitchen tiling - is mfd. out of normal floor tiling materials and insulation is derived from internal void
Inventor: MARESI FERDINAND
IPC: E04B1/80
Filed: 1991-03-19
Abstract: Using conventional tile manufacturing material, such as clay, this method allows for tiles to have high thermal insulation properties. Similar to the principle of double glazing, the tile is manufactured with an internal coil (2). This is evacuated to form avacuum to increase thermal insulation. The internal facing wall of the tile is as thin as practical to reduce heat absorption by the tile. The tile is either manufactured as an integral piece or as a two part (7,8) construction. USE/ADVANTAGE - Hollow tile allows thermal insulation in areas which are subject to heavy cleaning, such as kitchens. It allows thermal insulation to be added to walls of existing buildings as insulation requires no protection unlike softer insulation materials.
Patent DE-4110395-A1 (DE)
Inventor: HAEFELE EDELBERT DR
IPC: F01N3/20
Filed: 1991-03-28
Abstract: The invention concerns a catalytic converter for the exhaust from an internal-combustion engine. The converter has a casing containing a support, preferably with a multiplicity of channels running parallel to each other to form a honeycomb-like structure, the channel walls being coated with a layer which has a catalytic effect on the exhaust gases. The catalytic converter is characterized in that at least part of the surface of the support is coated with at least one electrically conducting resistance-heating layer.
Patent DE-4118041-A1 (DE)
Title: Sintered metal part with direct coating bearing metal layer - mfd. by pressing and sintering in swaging die having bearing metal introduced into die pref. as powder
Inventor: RIEHL KARL-HEINZ DIPL ING
IPC: B21K25/00
Filed: 1991-06-01
Abstract: A process is disclosed for mfg. a sintered metal finished part with a bearing metal layer firmly attached to at least one region of its surface. The bearing metal material is introduced into the sintered metal in the region provided for the bearing, and the sintered metal is compacted and sintered in a swaging die. The bearing metal material is disposed in compactable form in the die, the remainder of the die is at least partially filled with the sintered metal, and the contents of the die are compacted and sintered. The use of the above process is claimed for the direct coating of bearing bores in sintered metal housings with bearing metal. The bearing metal is introduced into the die as a power, or as a pre-pressed, pre-sintered preform. Most pref., the preform has an external binder or solder metal coating. ADVANTAGE - The process claims to simplify the direct coating of sintered metal parts with bearing metal, and to improve the bonding between the sintered metal body and the bearing metal.
Patent DE-4119756-A1 (DE)
Inventor: RENDENBACH-MUELLER BEATRICE DR
IPC: C07D417/14
Filed: 1991-06-15
Abstract: Described are aminoalkyl-substituted 5-mercaptothiazoles of formula (I), in which R<1>, n and A are as defined in the description, as well as their preparation. The compounds are suitable for use in the treatment of illnesses.
Patent DE-4124461-A1 (DE)
Inventor: SCHAEFF HANS
IPC: E02F3/96
Filed: 1991-07-24
Abstract: An excavator-loader carries on its chassis frame (10) a front loading device with loading bucket (38) and at the end a superstructure (54) which can be rotated through 360 DEG  and has a side driver's cab (56) and a pivot mounting, arranged on the other side, for the excavator boom (62). For the speedy change-over of the superstructure (54) with boom subassembly from excavator operation to loading and travelling operation without control operations requiring special attentiveness, the loader frame (24), with regard to the longitudinal centre axis of the chassis frame, is arranged asymmetrically predominantly on the cab side of the chassis frame (10), and a rest (22) for the attachment, which rest (22) is provided on the front mudguard (20), is widened towards the centre of the chassis frame and is also limited by a perpendicular protective wall (50) on the side adjacent to the loader frame. 
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Patent DE-4125413-A1 (DE)
Title: Electric steam iron with water container - has control device for water supply featuring air supply valve
Inventor: ZINSBERGER ALFONS
IPC: D06F75/18
Filed: 1991-07-31
Abstract: An electric steam iron incorporates a water container (14), which supplies water to a heated steam generator. The supply of water is controlled by the user via a control device (78,94). The water container (14) can be closed in an air tight manner and the control device (78,94) features an air supply valve (78). ADVANTAGE - The control of the steam iron is simplified. The valve can be located in the top section of the water container and close to the handle. It can be operated without any major rod arrangement.
Patent DE-4127497-A1 (DE)
Title: Electrically-driven swimming aid - has foam-filled plastic housing and motor controlled by watertight press button
Inventor: VLADISLAV HLAVKO
IPC: A63B35/12
Filed: 1991-08-20
Abstract: The electrically-driven swimming aid has a plastic housing, whose chambers are filled with foam material. Its propulsion mechanism comprises an electric motor, propellers and accumulators, while a watertight press-button on the housing handle closes the circuit via a relay. The plastic can be glass-fibre-reinforced, and polyurethane can be used for the foam. The propellers can be enclosed in cages to prevent injury. The handle can be at the stern and above the propellers, and there can be a carrying handle on an access hatch to the motor. ADVANTAGE - The aid is small, simple, unsinkable and non-polluting, and also usable for rescuing the drowning near river banks.
Patent DE-4129170-A1 (DE)
Title: Alloys used as matrix materials for composites or as moulding materials - contains cycloolefin and polyacetal copolymers and are of at least two components
Inventor: EPPLE ULRICH DR
IPC: C08L59/00
Filed: 1991-09-03
Abstract: Polymer alloys of at least 2 components are claimed (I), contg. (A) 1-99 wt.% cyclo-olefin copolymer(s) and (B) 99-1 wt.% polyacetal. (A) contains units derived from monomer(s) (IIA-IIF) or (III); R1-R8 = H or 1-8C alkyl; n = 2-10. (A) is modified by grafting with (a) alpha, beta-unsatd. acid (derivs.), (b) styrenes, (c) unsatd. organo-Si cpds. with hydrolysable gps. and/or (d) unsatd. epoxides; in addn. to monomer units as above, (A) contains other units derived from acyclic olefin(s) of formula R9R11C=CR10R12 (V) (with R9-R12 = H or 1-8C alkyl); (A) is a copolymer of monomers (IIA) or (IIC) and monomer (V), pref. a norbornene/ethylene copolymer; (B) contains 80-100 (pref. 99.5-95) wt.% units of formula -(CH2O)-, and pref. 0.5-5 wt.% other units derived from (e) 3-, 4- or 5-membered cyclic ethers, (f) 5- to 11-membered cyclic acetals other than tri- or tetra-oxan or (g) linear polyacetals; pref., (A) is a copolymer with units of formula -CH2CH2- and (IV), and (B) is a copolymer with units of formula -(CH2O)- and -(CH2CH2O)-; pref., (I) also contains a polymer (A) modified by grafting as above, esp. with maleic anhydride. USE/ADVANTAGE - (I) are useful as matrix materials for composites or for the prodn. of moulded prods. (claimed). The invention provides alloys of cyclo-olefin polymers and polyacetals with improved melt flow properties, improved mechanical properties and reduced water absorption.
Patent DE-4131874-A1 (DE)
Title: 1-Amino-anthraquinone-2-carboxylic acid cpds. prodn. from 2-methyl cpds. - by oxidn. with nitrobenzene in aq. inorganic base using phase transfer catalyst
Inventor: HAGEN HELMUT DR
IPC: B01J31/02
Filed: 1991-09-25
Abstract: Prodn. of 1-aminoanthraquinone-2-carboxylic acids of formula (I) by oxidn. of 1-amino-2-methylanthraquinones of formula (II); X = H, Cl or Br; with nitrobenzene (III) under alkaline conditions, followed by acidification of the reaction mixt., the novelty is that oxidn. is carried out in an aq. inorganic base (IV) in the presence of a phase transfer catalyst. Pref. (IV) is an aq. soln. or suspension or alkali(ne earth) hydroxide, eps. NaOH.  Oxidn. is carried out at 90-140 deg.C. USE/ADVANTAGE - (I) are used in dyestuff synthesis. They are obtd. in good yield and good purity, suitable for direct use for this purpose, by a simple and economical process, which is suitable for continuous or batch operatio
Patent DE-4134447-A1 (DE)
Title: Measurement gauge for unprocessed wood with electronic measurement transducer - has operating keyboard mounted at measurement jaw pressure point giving good display visibility
Inventor: ELLSAESSER DIETRICH GERHARD
IPC: G01B7/12
Filed: 1991-10-18
Abstract: A measurement gauge with an electronic measurement transducer has an operating part mounted on a movable measurement jaw. A measurement transducer slide shoe (1) is enlarged so that it comes to lie above the rigid measurement jaw in the null position and hence the force application points are distributed further outwards. ADVANTAGE - Manual operating keyboard part (4) is placed at pressure point of measurement jaw and display (2) is easily visible.
Patent DE-4135016-A1 (DE)
Title: Heating system for pressure medium in hydraulic circuit - uses continuous measurement of temp. of pressure medium and/or part of circuit
Inventor: KROPP WALTER DIPL ING
IPC: F15B21/045
Filed: 1991-10-23
Abstract: The system is for use in a hydraulic circuit (1-24), in which a pressure is built-up. When a certain pressure level is reached, pressure medium is brought to a lower level, by a pressure limitation valve. The temp. of the pressure medium, and/or one of the parts in the hydraulic circuit, is continuously measured. The heating process is continued, until a ceiling temp. is reached. During the heating process, the hydraulic circuit is operated under part load. USE/ADVANTAGE - Simplified warming process for pressure medium in hydraulic circuit.
Patent DE-4200641-A1 (DE)
Title: Brake for containers on roller track - has control arm depressed by leading container to lift brake arm to stop next container
Inventor: BAUER MATTHIAS
IPC: B65G1/08
Filed: 1992-01-13
Abstract: The end of the roller track has a lip (13) to limit the movement of the containers (25). The brake lever (20) is pivot mounted under the level of the rollers and its free end (21) is fitted by a pivot mounted control lever (31) which is tilted by the leading container. The normal setting of the control lever is above the roller track. When the leading container is removed the brake is released to free the next container (26). The brake lever has a lipped end to grip the leading edge of the next container. USE/ADVANTAGE - Controlled movement of containers, automatic brake action- for use in warehouse racks.
Patent DE-4201565-A1 (DE)
Title: Container for vehicle brake fluid - has gas permeable but fluid impermeable membrane set on opening
Inventor: SCHOPPER BERND
IPC: B60T11/26
Filed: 1992-01-22
Abstract: The membrane (10) is part of a seal (7) and can be injected into it. The seal is pref ring-like and has an L-shaped cross-section wherein the membrane is let into one arm (8) of same. A closure lid (11) can be mounted over the sealing ring (8) and membrane (10) and is detachably connected to the fluid container by a thread. The lid can have an opening (12) through which air can flow into and out of the container. ADVANTAGE - Loss of brake fluid to the outside is prevented.
Patent DE-4207419-A1 (DE)
Title: Fixing electrical pin plug to vehicle heatable rear window with conductive surface - using rolling process to produce thin flat bands, followed by dividing cutting to form strips of required length, both band surfaces being coated with flux
Inventor: CURTI EZIO
IPC: H01R4/02
Filed: 1992-03-09
Abstract: The device is for the fixture of an electrical pin plug to an electrically conductive surface, and a location is provided for accommodation of metal wire coils of welding or soldering wire. The coils are submitted to a device for rolling the wire, and beyond the rolling device is a separator unit followed by a guide device (36) for the rolled metal strips (2). The guide device (36) has window-type openings (47, 48) on its upper and lower sides into which feed pipelets (47, 49, 50) issue for feeding a controlled quantity of flux (34) which is to be applied to the metal strips (2). On the outlet of the guide device is a unit (51) for taking up the metal strips coating with flux, and which is movable from a receiving position for the strips into one for connecting the strips to the pin plug (7). ADVANTAGE - Quick and accurate connection.
Patent DE-4207822-A1 (DE)
Title: Use of 3-phenyl-pyridazine derivs. - to prepare medicaments for treating diseases associated with over-release of cytokines and/or leukotriene(s)
Inventor: AMSCHLER HERMANN DR
IPC: A61K31/50
Filed: 1992-03-12
Abstract: Use of 3-phenylpyridazines of formula (I) and their salts is described. In (I), one of R1 and R2 is 1-5C alkoxy or OCHF2 and the other is 1-5C alkoxy, 4-7C cycloalkoxy, 3-7C cycloalkylmethoxy, 3-5C alkenyloxy or 1-4C polyfluoroalkoxy; X is OH or NHCN. (I) are described in EP-125636, EP-163965 and EP-393500. Prefd. cpds. (I) are those where: (a) R1 is OMe; R2 is 2-4C alkoxy or 3-4C alkenyloxy and X is OH; (b) R1 is 2-4C alkoxy or 3-4C alkenyloxy; R2 is OMe and X is OH; (c) one of R1 and R2 is H or 1-3C n-alkoxy, the other is 1-2C polyfluoroalkoxy and X is OH; or (d) R1 is 2-4C alkoxy, cyclopentyloxy, (3-4C cycloalkyl)methoxy, OCHF2 or OCH2CF3; R2 is OMe, OEt or OCHF2 and X is NHCN. The use of 6-(4-difluoromethoxy-3 -methoxyphenyl)- 3(2H)-pyridazinone (Ia) is specifically claimed. USE - (I) are esp. useful for prevention or treatment of septic shock or toxic shock syndrome (claimed), as well as arthritis, ARDS, gastrointestinal disorders (Crohn's disease and ulcerative colitis) and side effects of anti-lymphocyte antibody treatment in transplant rejection.