baber/WOPTO huggingface dataset:
Patent DE-4016711-A1 (DE)
Title: New thermoplastic aromatic polyether-sulphone¨ prods. - and polyether-ketone prods., contain units derived from 1,1-bis-4-hydroxyphenyl-3-alkyl-cyclohexane cpd.
Inventor: REUTER KNUD DIPL CHEM DR
IPC: C08G65/40
Filed: 1990-05-24
Abstract: The polyether-sulphones (I) and polyether-ketones (II) have repeating structural unit of formula (I) -O-E-O-E'- where -E'- = divalent residue of aromatic sulphone or ketone of formula (2) -Ar-X-Ar'- (where Ar and Ar' (same or different) = difunctional aromatic gps. of 6-50 C and X = -SO2- or -C(:O)-); and -O-E-L- = divalent residue of a diphenol, 0.10-100 mol.% of this diphenol being a 1,1-bis(4-hydroxyphenyl) -3-alkylcyclohexane (III) of formula (3) (where R1, R2 = H, halogen, 1-8 C alkyl, 5 or 6 C cycloalkyl, 6-10 C aryl, or 7-12 C aralkyl; R3 = 1-4 C alkyl). Also claimed is the prepn. of (I) and (II) by reacting dialkali diphenolate with dihalodiaryl sulphone or dihalodiaryl ketone of formula (4) hal-Ar-X-Ar'-hal in polar solvent. Use of (III) in the prepn. of aromatic polyether-sulphones and polyether-ketones. USE/ADVANTAGE - Prepn. of shaped articles by, e.g. extrusion, injection moulding, sintering, or pressing, for use in mfr. of, e.g. circuit boards, aircraft and spacecraft, sports appts., functional parts and vessels for microwave ovens, sterilisable medical instruments, coffee machine parts, egg boilers, containers and pipes and pumps for hot water, hair dryers. (I) and (II) have high heat-dimensional stability, (I) of lower mol. wt. with functional end gps. (halogen, OH) can be incorporated in block copolymers with other co-condensable components. (10pp Dwg.No.0/0)
Patent DE-4016749-A1 (DE)
Title: Antilocking brake control valve for motor vehicle - has wheel cylinder valve mechanically linked and operated by single solenoid
Inventor: VOLZ PETER DR
IPC: B60T8/42
Filed: 1990-05-25
Abstract: The wheel cylinders are linked to the master brake cylinder by normally open inlet valves and separated from the venting line by normally closed venting valves (5). A simple design has the two valves of each wheel brake linked by a mechanical linkage incorporating a spring element (15). A single solenoid (10) operates the two valves. The solenoid is normally unpowered and holds the vent valve closed and the inlet valve open. The spring element is selected to provide the optrimum algorythm for the two  valves. A servo pump (3) provides the drive force for the brake modulation. The system is suitable for ABS or anti-wheelspin. ADVANTAGE - Only one solenoid required. Compact and simple design.
Patent DE-4017321-A1 (DE)
Title: Adjustable backrest for vehicle seat - involves method of integrating seat belt roller sensor
Inventor: SINGER KLAUS-PETER
IPC: B60R22/26
Filed: 1990-05-30
Abstract: The rear seat is for a motor vehicle. The backrest can be adjusted in its inclination over a hatrack (18) by means of an adjustment bracket (25). The bracket is so coupled to the seat belt roller housing (13) that the rotation of the bracket relative to the housing on the adjustment of the back rest is convertible into an adjustment for the sensor (34) which controls the vehicle sensitive locking system for the roller (12). USE/ADVANTAGE - Adjustment mechanism for a variable position seat back rest with an integral seat belt roller.
Patent DE-4024484-A1 (DE)
Title: Floating calliper for part-lined disc brake - has housing retaining spring locked on calliper and secure against faulty positioning
Inventor: GERHARDT WINFRIED
IPC: F16D55/226
Filed: 1990-08-02
Abstract: The floating caliper for partially lined disc brakes is mounted axially displaceable on a brake support and is tensioned against same by a housing retaining spring. The outer arm of the caliper has at its open end at least one projection (13,14,15) on which the housing retaining spring (3) is locked by engagement against axial displacements relative to the caliper. The projection(s) is/are moulded by casting and can extend radially inwards from the radially inner side of the axially outer arm of the caliper. USE/ADVANTAGE - The spring in the floating brake caliper for a vehicle is fixed in its correct position secured against falling out.
Patent DE-4025114-A1 (DE)
Title: Membrane dispenser pump with constant delivery rate - has membrane drive part with pressure chamber connected to fluid circuit contg. choke and non-return valves
Inventor: GRIMM MANFRED
IPC: F04B43/073
Filed: 1990-08-08
Abstract: The membrane dispenser pump has a membrane (5) which seals a pump chamber (6) which can be connected to the suction and press. sides respectively via suction (7) and press. (8) valves. A drive part (2) can deflect the membrane in opposite directions. The drive part has a press. chamber (16) connected to a fluid circuit with delivery (37) and return (39) paths and supplied by a press. source (32) vi a two-way valve (34) operated at a deisred pumping frequency. The fluid circuit contains a choke valve (36) and a non-return valve (38), one in each path, and the membrane is reflected on one or other direction according to the press. in the press. chamber. ADVANTAGE - Delivery performance of dispenser pump remains constant over large range of counter press. (13pp Dwg.No.1/12)
Patent DE-4026073-A1 (DE)
Title: Control point coupling mobile data terminal to fixed data processor - has two components forming transceiver for electromagnetic waves, and air path as transmission line
Inventor: KELLER BERTRAM DIPL ING
IPC: H04B10/00
Filed: 1990-08-17
Abstract: The control point consists of stationary component coupled to the data processor by a fixed transmission line, and a  second component in spatial, electric connection to the data terminal. A second transmission line porvides a releasable coupling between the two components. The two components form transceivers for electromagnetic waves.  The transmission line consists of an air path. Pref. the transreceivers all for optical waves, typically in the IR range. Alternately the transreceivers can handle non-optical waves. The optical waves range is mm to cm extent. The transceivers may have directional diagrams. USE/ADVANTAGE- for large computers in air conditioned rooms, with low-cost design for reliable terminal installation.
Patent DE-4027377-A1 (DE)
Inventor: LINDBLOM KURT LENNART
IPC: B41F31/04
Filed: 1990-08-30
Abstract: A portable ink fountain insert for an ink fountain of a printing press includes a body defining a volume for receiving ink, with a discharge gap being defined at the lower front end of the body. A pull is cable guided in a recess in the front wall. A gap control device is connected to the body and to the pull cable for selectively opening and closing the ink discharge gap in response to displacement of the pull cable. An actuating element engages the pull cable for controlling displacement of the pull cable and thus the opening and closing of the discharge gap.
Patent DE-4027591-A1 (DE)
Title: Chloro-fluoro-nitro- and di:fluoro-nitro-benzene(s) prepn.
Inventor: PAPENFUHS THEODOR DR
IPC: C07C201/12
Filed: 1990-08-31
Abstract: The prepn. of chlorofluoronitrobenzene derivs. (Ia) and difluoronitrobenzene derivs. (Ib) comprises heating excess dichloronitrobenzene derivs. (II) with alkali metal fluorides with a total water content of 0.2-2.5 wt.% in the presence of quat. ammonium and/or phosphonium salts, crown ethers and/or polyethylene glycol dimethyl ethers as the catalyst to a temp. of no more than 200 deg.C and in the absence of a solvent.  The quat. ammonium salt is pref. a tetra (1-22C) alkylammonium halide, tetra aryl ammonium halide (in which the aryl gps. are opt. substd.) and/or mixed alkylarylammonium halide, the quat. phosphonium salts are the phosphorium analogues of the ammonium salts given above and the crown ether is 18-crown-6. Esp. the catalyst is octadecyltrimethyl-, distearyldimethyl, tetramethyl or hexadecyltrimethyl ammonium chloride, tetramethyl or benzyltrimethyl ammonium bromide and/or stearyltributyl or hexadecyltriethylphosphonium bromide.
Patent DE-4034294-A1 (DE)
Title: Turbidimetric determn. of fibrin monomers - in plasma, by pptn. with netropsin
Inventor: TOEPFER GOTTFRIED DR
IPC: G01N33/86
Filed: 1990-10-25
Abstract: Turbidimetric determn. of fibrin monomers in plasma is effected by (a) diluting citrated plasma with at least an equal vol. of Owrens veronal buffer, (b) treating 4 parts of the diluted plasma with 1 part of a 15 mg/ml netropsin soln. in 0.15M Hepes buffer (pH 7.5), (c) measuring the extinction at 405 nm after 5 and 600 secs., and (d) reading the result from a calibration curve for fibrin monomer concn. versus extinction difference. USE/ADVANTAGE - The process may be used in the diagnosis of blood clotting disorders associated with disseminated intravasal coagulation. The process is rapid and gives quantitative results (cf. EP-253255)
Patent DE-4039230-A1 (DE)
Title: Coating moulds used in continuous casting - with surface hardening material to lengthen their surface lives
Inventor: KLEIN DIETER
IPC: B22D11/07
Filed: 1990-12-08
Abstract: Moulds used in a continuous casting plant are coated with a surface hardening material comprising Cu or Cu alloy. The inner surfaces of the moulds leading the melt from the inlet zone to the outlet side are coated according to heat conductivity and thermal coefft. of expansion. The surface hardening material is Pt, applied to the inner surface of the moulds by explosion plating, a metal carbide, metal oxide, a cermet or an alloy of these, in which the pulverised particles are enclosed in the inner surfaces of the moulds by thermal spraying. The material has a hardness of 60 HRC and an adhesiveness of more than 100 (pref. 175) N/mm2. The material is pref. a powder of compsn.: 80Cr3C2+20NiCr or (50Co, 25Cr, 10Ta, 7-5Al, 0.8Y i-2c)+10 Al2O3, esp. (38.5Co, 32Ni, 21Cr, 0.54Al) or W. ADVANTAGE - The service life of the moulds is lengthened.
Patent DE-4040118-A1 (DE)
Inventor: HARDE CHRISTOPH DR
IPC: C07D239/60
Filed: 1990-12-13
Abstract: Herbicidal acetic acid derivatives of formula (I) where: R is a group -CO2R<1>, -CH2OH, -CONHSO2R<a> or -CONHSO2NR<a>R<b>, where R<1> is hydrogen or a salt- or ester-forming group, R<a> is alkyl or aryl, and R<b> is hydrogen, alkyl or aryl; R<2> and R<3>, which may be the same or different, are each halogen, alkyl, alkoxy, alkylthio, alkylamino or dialkylamino;  A is a substituted or unsubstituted aryl, heterocyclyl or benzoheterocyclyl group, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl group; X is oxygen or sulfur; Y is -CH= or -N=; and Z is oxygen or sulfur; and salts thereof, herbicidal compositions containing them, processes for their preparation, and methods of using them.
Patent DE-4108372-A1 (DE)
Title: Asbestos-free talc hydrothermal synthesis - from silica, magnesium chloride and caustic soda, used in cosmetics and pharmaceutical industry
Inventor: KLEEBERG REINHARD
IPC: A61K47/02
Filed: 1991-03-15
Abstract: Hydrothermal synthesis of asbestos-free talc (I) from reactive Si02 raw materials (II) is caried out by reacting (II) with MgC12 soln. and aq. NaOH soln. in Mg:Si ratio of 3:(4-4.25) and Na:Cl ratio of 1:(1-1.05) for at least 24 h. in an autoclave at 5330673 K. After cooling the prod. is washed to remove chloride and dried. (II) is pref. amorphous Si02 without colouring impurities and with a low Al content, esp. pptd. or pyrogenic Si02 or hydrolysis sludge (IIA) from pure Si prodn.
Patent DE-4110778-A1 (DE)
Title: Basket ball basket holder and pull-out frame - incorporates winch, pulley cable, interceptor cable and clamp
Inventor: UNGER JUERGEN DIPL ING
IPC: A63B63/08
Filed: 1991-03-28
Abstract: The pull-out device for basket-ball basket-units, consists of a frame (2) pivoting on a horizontal axle (3) fixed to a wall. The frame`s (2) lower end holds the basket (1) by means of a cable (5). An interceptor (15) has an intereceptor cable (6) preventing the basket from falling should the pulley-cable (5) and break and winds off from a shaft belonging to the interceptor-unit (15). A clamp (20) between the shaft and the fixture-point for the interceptor-cable (16) on the basket (1) or frame (2) locks the interceptor cable (16) which runs round it. The clamp consists of two discs pressed against each other by a compression-spring with bolt and nut. ADVANTAGE - The basket ball basket frame is held in the case of the pulley-cable breaking, by a clamp and interceptor cable.
Patent DE-4113667-A1 (DE)
Title: Piezoelectric positioning drive for machine tools - uses copper@ heat sink and Peltier-effect modules to reduce operating temp.
Inventor: MEHLKOPP KLAUS
IPC: H02N2/04
Filed: 1991-04-26
Abstract: The unit has a piezo-electric element (2) located in a heat sink (3) substantially of copper, the corners of which are cut away to form a lozenge-shaped block. This block has a temp. sensor (7) and is surrounded by four Peltier-effect modules (9 to 12) located around the edges of the block and orientated so that their cold faces (9a to 12b) are in contact with the copper block, while their warm faces (9b to 12b) are in contact with a two-part thermal conductor (14). The latter is square in cross section and features four parallel holes (18 to 21), each contg., a heat pipe (22 to 25) leading to a second copper block that is coupled to a fan-cooled radiator unit by another Peltier-effect module. The temperatures of the piezo-electric element and the workpiece holder are kept identical by using an error value, derived by subtracting the heat sink temp. from the workpiece holder temp. to regulate the operation of the heat sink Peltier-effect modules. ADVANTAGE - Precise temp. regulation of piezo-electric element enables operating frequency to be increased.
Patent DE-4116189-A1 (DE)
Title: Gearbox for transverse- engine car - incorporates two layshafts to give compact layout
Inventor: BLUMENSTEIN FRITZ
IPC: B60K17/08
Filed: 1991-05-17
Abstract: The gearchange system is for a passenger car having at least five forward gears. It has a drive input shaft, a drive output shaft and a pair of gears dedicated to each gear spaced, with in each case one gear arranged on the input shaft. Intermediate shafts (13 14) carry part of the gears not arranged on the input shaft and are connected with the output shaft (12) over a gear stage (29 35). USE/ADVANTAGE - Vehicle gear change mechanism of compact design is suitable for a car with a transverse engine and transmission.
Patent DE-4117255-A1 (DE)
Title: Enzymatic hydrolysis of carboxylic acid derivs. - by forming a soln. of the acid deriv. in an organic solvent with only slight water miscibility, saturating the soln. with water and contacting with a hydrolase
Inventor: BUCHNER MARIA DIPL ING
IPC: C07C51/09
Filed: 1991-05-27
Abstract: Process for enzymatic hydrolysis of a carboxylic acid deriv. (I) in which the (I) is dissolved in an organic solvent (II) which is only slightly miscible with water, the soln. is satd. with water and contacted with a hydrolase, whereby hydrolysis takes place with consumption of water, and the organic reaction soln. is resatd. with water and contacted with hydrolase until the desired degree of conversion has taken place. USE/ADVANTAGE - The process allows high conversion of the (I) to be achieved with maintenance of high activity of the hydrolase, without the necessity for chemical modification of the hydrolase. (I) is e.g. carboxylic acid esters, -diesters and -triesters, carboxylic acid amides, carboxylic acid thioesters or analagous thiocarboxylic derivs., which upon hydrolysis yield the corresponding carboxylic acid or thiocarboxylic acid and alcohols, amines, thiols etc. Pref. (I) is a chiral or prochiral carboxylic acid deriv., which can be hydrolysed with a stereospecific hydrolase into optically active cpds., in which one of the possible enantiomers, depending on the stereospecificity of the hydrolase, is at least enriched. (I) is esp. a mixt. of enantiomeric chiral carboxylic acid esters exhibiting the chiral centre in the acid part, esp. 2-substd. alkanoic acid esters and partic. 2-halopropionic acid esters.
Patent DE-4118904-A1 (DE)
Title: Carton with floor and four side walls - has two opposing side walls with lateral extensions while other two walls are connected face-side extensions
Inventor: SCHWOERER ANDREAS
IPC: B65D5/46
Filed: 1991-06-08
Abstract: At least one of the side parts has a slot through which a hand grip (16), which is part of the flat section and is folded into the carton, can be inserted outwards. At least one of the limiting side walls (5) together with the associated lateral extensions (7,9) of the two opposing side walls (2,3) have apertures (12-14) which define the slot, whereby the face side extension (11) of this limiting side wall (11) evolves into the hand grip (16), which at will can be inserted through the slot outwards. Connected to the hand grip (16) is an identical such grip which evolves into a cross brace directed towards the counterposed side walls (2,3). USE/ADVANTAGE - As a carton which fulfills a multiplicity of purposes as a container, and presents no problem as far as material recycling is concerned.
Patent DE-4119222-A1 (DE)
Title: Adaptor for connection of pacemaker to electrode implanted in heart - has contact surface electrically connected to holding pin, insertable in electrode conductor, and fixed by clamp pieces
Inventor: SAUBERT HANS
IPC: A61N1/05
Filed: 1991-06-11
Abstract: The adaptor has an electrical contact surface (9) for connection to a hollow shaped electrode conductor (2) implanted in the patient's heart. The contact surface is connected to an electrically conducting, wedge-shaped holding pin (18) which is inserted into the hollow space of the electrode conductor (2) and clamped by its surfaces (17). The holding pin is pref. cone-shaped with ball-shaped holding pieces (16) on its wedge-shaped surface in the longitudinal direction. ADVANTAGE - Reduced dimensions, allows secure connection to electrodes of different diameters, with min. inconvenience to patient.
Patent DE-4119632-A1 (DE)
Inventor: STEINEBACH WOLFGANG DIPL ING
IPC: H03M1/06
Filed: 1991-06-14
Abstract: A circuit compensates the frequency response decline - caused by the D/A converter (4) - of a video signal supplied via A/D and D/A converters (2, 4) by means of a 1/si(x) equalizing circuit (1). The 1/si(x) equalizing circuit (1) is arranged upstream of the A/D converter (2), while the D/A converter (4) is operated at a variable clock frequency (fcv). <IMAGE>
Patent DE-4120215-A1 (DE)
Inventor: DREIZLER SIEGFRIED
IPC: E04C5/20
Filed: 1991-06-19
Abstract: A reinforcement spacer (80) has a body of polymer concrete, the polymer concrete consisting of a cured plastic material (108), into which aggregates are incorporated in the form of grains (110, 110''). The surface (112) is post-treated in such a manner that grains (110, 110') project from the surface (102) of the cured plastic material (108), permitting an intimate chemical and physical bond with the cement paste of a concrete composition into which the spacer is to be embedded. <IMAGE>
Patent DE-4124142-A1 (DE)
Title: Temp. measurement appts. with high pressure capillary thermo-meter - measures temp. dependent pressure change of gas, e.g. helium, in capillary using pressure sensor producing proportional electrical signal
Inventor: TUBBESING DIETMAR DIPL ING
IPC: G01K5/00
Filed: 1991-07-20
Abstract: The temp. measurement device has a measurement sensor with a connected capillary tube contg. a low vol. of measurement gas under high pressure e.g. 200 bar. The temp. change recorded by the sensor causes a proportional pressure change in the measurement gas. The pressure change is measured using a pressure sensor (14) which produces an electrical signal proportional to the pressure change and which can be displayed. The pressure sensor can be a piezoelectric, piezoresistive, capacitive or strain gauge type. USE/ADVANTAGE - E.g. in control system, to close valves, activate alarm etc. Achieves high accuracy of high pressure capillary thermometer whilst eliminating disadvantages of analogue display.
Patent DE-4124914-A1 (DE)
Title: Para glider with three flying surfaces one above another - enables span to be reduced which increases flight stability
Inventor: STOELLINGER HERBERT
IPC: B64D17/02
Filed: 1991-07-26
Abstract: A paraglider is constructed with two or more flying surfaces arranged one above another and connected by cords. Each flying surface has an aerofoil cross-section and has openings (2) in its leading edge to enable ram air to flow in and inflate the flying surface to the required cross-section. Alternatively the flying surface may be filled with compressed air or gas. By constructing the paraglider with three flying surfaces one above another the span of the paraglider is reduced with a consequent improvement in flight stability and ease of control. USE/ADVANTAGE - Paraglider with three flying surfaces which improve flight stability.
Patent DE-4127829-A1 (DE)
Title: Lead zirconate titanate compsn. for e.g. monolithic device prodn. - additionally contg. bismuth oxide, zinc oxide and other metal oxide(s) for low sintering temp.
Inventor: GESEMANN RENATE PROF DR ING
IPC: H01L41/24
Filed: 1991-08-22
Abstract: Low sintering lead zirconate-titanate formulation comprises (i) a mol. % of (Pb, Sr, Ba) (Ti, Zr)03 and (ii) m mol. % (n + M = 100%), of Pb (A1/3 Nb 2/3)03 (A = one or more of Zn, Mg, Ni and Fe) as binary component(s). The formulation additionally contains a combination of 1-3 wt. % Bi203, 0.6-2 wt. % ZnO and 0.1-5 wt. % metal oxide(s) which form(s) a melt or eutectic with PbO at below 1000 deg.C. Prodn. of lead zirconate titanate materials involves adding the oxide combination during fine grinding of the formulation and carrying out subsequent sintering at 980-1080 deg. C. ADVANTAGE - The low sintering temp. formulation can be produced by tradiational ceramic processing and can be used to produce monolithic devices (micro-translators, actuators, bimorphs, multimorphs) or printed layers which, because of the low sintering temp. can be contacted with Ag/Pd pastes of low Pd content
Patent DE-4131702-A1 (DE)
Title: Installation device for appts. socket - has central socket for each specific application of similar size and shape.
Inventor: KOCH FRITZ EDUARD
IPC: H02G3/14
Filed: 1991-09-24
Abstract: The installation device, for electrical or communications appts. fitted in an appts. socket, has a cover plate with a central opening which is fitted with a matching central cover (5). The device has a central socket (3) selected in dependence on the required application, all having the same size and shape. The central cover has a matching aperture, into which the end of the central socket is fitted. Pref. the size and shape of the part of each central socket fitting in the central cover is the same. USE/ADVANTAGE - For electrical or telecommunication applications. Allows same central cover to be used for all applications.
Patent DE-4132743-A1 (DE)
Inventor: SCHAEFER PETER
IPC: G01N21/78
Filed: 1991-10-02
Abstract: Slide for use in the analysis of liquids, which has a test field (3) held in a frame (2) and comprising a sample application area (12) for applying a sample liquid. 
<??>Such an "analysis chip" which is also suitable for accommodating a test layer pack comprising a plurality of layers (7,8,9) loosely lying on one another, is very thin and enables cost-effective production and simple manipulation, is notable for a trough-shaped depression (6) for accommodating the test field (3) being provided in a plastic base body (4), and the depression (6) above the test field (3) being spanned by a retaining net (5) made of a plastics material. 
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