baber/WOPTO huggingface dataset:
Patent DE-4002411-A1 (DE)
Title: New methylene cyclohexane cpds. and new optically active cpds. - used in liquid crystal compsn., esp. dielectric for matrix cpd.
Inventor: POETSCH EIKE DR
IPC: C07C69/76
Filed: 1990-01-27
Abstract: New methylene-cyclohexane derivs. of formula (I) and new optically active methylenecyclohexane derivs. of formula (VIII) are claimed: R1 = 1-5C alkyl, alkenyl or perfluoroalkyl, opt. with one CN, halogen or CF3 substits., in which one or more CH2 gps. may be replaced by -S-, 1,3-cyclobutylene, 1,3-bicyclo(1,1,1)pentylene, -O-, -CO-, -CO-O, -O-CO-, or -O-CO-O but S and/or O atoms are not linked directly to one another; A1 and A2 independently = (a) trans-1,4-cyclohexylene, in which one or more non-adjacent CH2 gps. may be replaced by -O- and/or -S-; (b) 1,4-phenylene, in which one or 2 CH gps. may be replaced by N; (c) a 1,3-cyclobutylene, 1,3-bicyclo(1,1,1)pentylene, 1,4-cyclohexenylene, 1,4-bicyclo(2,2,2)octylene, piperidin-1,4-diyl, naphtha-2,6-diyl, decahydronaphtha-2,6-diyl or 1,2,3,4-tetrahydronaphtha-2,6-diyl gp.; and gps. (a) and (b) may be substd. by CN or halogen; Z1 and Z2 independently = -CH2CH2-, -CC-, -CH2O-, -OCH2-, -CO-O-, -O-CO-, -CH=N, -N=CH-, -CH2S-, -SCH2-, a single bond or a 3-6C alkylene gp., in which one CH2 gp. may be replaced by -O-, -CO-O-, -O-CO- -CH(halogen)-or -CH(CN)-; m = 0, 1, 2 or 3; X = H, C or Cl; Y = F, Cl or CF3; X and Y are different in (VIII); L5 = OH, COOH or a reactive deriv., OH, Cl, Br, I, CH2OH, CH2Cl, CH2Br or CH2I. USE/ADVANTAGE - (I) are claimed for use in liquid crystalline media for electrooptical displays and esp. as chiral component in chiral tilted media with achiral and chiral components, partic. for use as dielectric in matrix LCDs. (I) are stable liquid crystalline or mesogenic cpd. and give media with relatively low viscosity and medium positive dielectric anisotropy. (I) with suitable reactive gps. may also be incorporated in polymers or polycondensates.
Patent DE-4012310-A1 (DE)
Title: Light-weight building element with wooden frame - which encloses panel made of organic material
Inventor: LEMCKE TOMAS
IPC: E04C2/38
Filed: 1990-04-18
Abstract: A light-weight building section consists of a rectangular wooden frame, with four sides (10,12,14,16). The frame encloses a panel made from organic material such as chopped straw which is mixed  with a mineral binder such as a clay slurry. This panel is held in the frame by a groove of trapezoidal cross-section formed in each of its edges. The wooden frame members have corresp. cross-sections which fit in the grooves. The element is constructed by first fastening together three of the frame members so that one side of the rectangle is left open. The panel is then inserted through the open side of the frame which is then completed by attaching the fourth member of the frame. USE - Light weight building element.
Patent DE-4014467-A1 (DE)
Title: Pedal bin with safe easy opening - has flat iron with guide welded on U=shaped plate
Inventor: DOERR WILHELM ING GRAD
IPC: B65F1/16
Filed: 1990-05-07
Abstract: The pedal bin has a flat iron (7) with guide (8) welded onto a U-shaped metal plate (5) which has two feet (6). A double-armed lever arm (9) is attached for articulated movement on the support plate (5) and a foot pedal (10) is provided on the longer arm of the lever (9) through a 90 deg. turning. A lever rod (11) is movably attached to the shorter end of the lever (9) and is guided in the guide (8). A double U-shaped metal plate (12) is movable attached to the upper end of the lever rod (11).
Patent DE-4023806-A1 (DE)
Inventor: CONRADT HILMAR
IPC: F15B13/042
Filed: 1990-07-24
Abstract: In a fluidic multifunctional multiple-way sliding valve with a valve housing (1), a sealed connection plane (3), provided at a first longitudinal side (2), for supply, control, consumer and vent lines, and a corresponding support plate, a housing bore (29) running parallel to the longitudinal centre axis (5) of the valve and having transverse bores (30) is provided on a second longitudinal side (28). 
<??>In order to increase the number of functions of the multiple-way sliding valve on the customer side and to design it so that it can easily be adjusted, it is proposed to divide the housing bore (29) into two longitudinal sections (29a, 29b) with independent transverse bores (30), to arrange rotatable or removable sealing discs (32) provided with passages (33) in front of the orifices (31) of the transverse bore (30), and to lead transverse passages (36), starting from the first longitudinal side (2) and connected to the pressure line (P), the control line (Z, X) and the vents (R or S), up into the two separate longitudinal sections (29a, 29b) of the housing bore (29), and to set the individual transverse passages (36) to the respective opening or closing function by means of a one-piece base seal (4). 
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Patent DE-4038106-A1 (DE)
Title: Surface resonator for nuclear spin tomograph - consists of two partial systems with perpendicular magnetic fields, and currents 90 deg. out of phase
Inventor: OPPELT RALPH DIPL ING DR
IPC: A61B5/055
Filed: 1990-11-29
Abstract: The surface resonator consists of two partial systems. The partial system magnetic fields (B11,. B12) are mutually perpendicular and their currents (I11, I12) are 90 deg. out of phase. Each partial system has at least one resonance capacitance and two current loops enclosing the associated magnetic field in the resonator plane perpendicular to the base field. The useful part of the field in the object region lies outside the resonator plane. USE/ADVANTAGE - Diagnostic arrangement produces stimulation pulses with HF field vector components only perpendicular to base field.
Patent DE-4038907-A1 (DE)
Title: Wind power generating appliance - has pivoted carriers for horizontal and vertical rotors
Inventor: OSSWALD ARNO
IPC: F03D3/02
Filed: 1990-12-06
Abstract: The appliance may have horizontal and vertical rotors, which act as mechanical, pneumatic, and hydraulic drives, individually or together. The segmental profiles of the rotors are similar to the wind feed device. The rotors drive a number of generators (G1, G2, G3). The appliance carries several rotors on a single shaft, and it may have a horizontal or vertical double parallel arrangement. The centre of each rotor has cylinders, to generate under/excess/high pressures, and additionally act on a flow medium. The rotors are telescopic.
Patent DE-4038994-A1 (DE)
Inventor: BURTSCHER HEINZ PROF DR
IPC: G01N33/00
Filed: 1990-12-06
Abstract: In order to discover whether a partly or virtually completely empty container is contaminated with an unacceptable substance, as may be the case if a plastic bottle intended for mineral water has been used domestically for storing insecticides or the like, a sample of gas (G) from the container is ionised in an electric discharge path (3) and the discharge behaviour (UF) and/or the ionisation of the gas caused by the discharge is evaluated as a measurement.
Patent DE-4039276-A1 (DE)
Title: Versatile heat-shrink plastic covering - has sliding clasp fastener attached to its edges e.g. by sewing on with heat-resistant thread, to be easily unfastened again when desired
Inventor: STUPP WINFRIED
IPC: B29C53/36
Filed: 1990-12-08
Abstract: Heat-shrink plastic covering has a tear-resisting reinforcement in or on it and has parallel edges; used for making cable joint or branch sleeving or for enclosing other articles. Has a zip fastener or the halves of such a fastener on its edges, pref. attached to strips of e.g. glass, poly-p-phenyleneterephthalamide, polyethyleneterephthalate, polyamide or polyethylene and they can be treated with e.g. water-glass to increase their thermal resistance; the strips can also be degradable e.g. polyester. The links used in the fastener are pref. thermally resistant, e.g. glass, plastics or metal and are sewn on with threads of e.g. polyethyleneterephthalate, poly-p-phenyleneterephthalamide, etc..
Patent DE-4104784-A1 (DE)
Title: System for prodn. of oscillations and/or peristalsis for engineering use - has electronically controlled versatile unit which feeds rotational oscillations or couples rotational oscillations with peristaltic oscillations
Inventor: FISCHER KARL-HEINZ DIPL ING
IPC: A61H23/02
Filed: 1991-02-14
Abstract: The peristaltic oscillations are fed across a surface in a vol. with the help of freely programmable stators, consisting of magnetic field variable in amplitude or spatial position. A rotor (1) is connected freely movable with a stator (2), which directly feeds the oscillations produced at an adjacent vol. or is coupled with an oscillation communicating rod (3), at one end of which is positioned a bearing (4), and at the other end an oscillation exciter (5). The amplitude can be restricted by an amplitude limiter (6). The oscillation produced is communicated directly to the oscillation transmitter (7), or taken off across a coupling medium. A stator (2) is connected freely movable with a rotor (1). The oscillation is fed directly, or across coupling elements to an adjacent vol. USE/ADVANTAGE - Physiotherapy, combating arthritis, improvement of cell metabolism and other medical uses. Starting processes e.g. in heavy machinery and flow engineering. Simple construction using simple working electronic versatile unit developed to feed or couple peristaltic oscillations.
Patent DE-4110204-A1 (DE)
Title: Arrangement to interrupt air flow in open vehicle - involves hood structure which fits over seat supports
Inventor: RICHTZENHAIN ARNO
IPC: B60J7/22
Filed: 1991-03-28
Abstract: The arrangement is used to interrupt the air flow in the interior of an open cabriolet car. It has a quadriform hood (1) open on one of its narrow longitudinal sides which can be slipped over both the head supports (4) of the front seats and over part of the back rests (5). An apron (2) is fixed to the hood and releasably secured to the guide rails of the front seats, with the width of the apron corresponding to the distance between the back rests. USE/ADVANTAGE - Method of controlling the air flow in an open vehicle to avoid draughts and noise.
Patent DE-4112450-A1 (DE)
Inventor: SPAHN HANS-JOSEF
IPC: F24H1/52
Filed: 1991-04-12
Abstract: Combined water heater for direct heating of sanitary and heating water by means of a burner, in which there are constantly held bearing against one another in a lamellar block a pipe conducting the sanitary water and a pipe conducting the heating water. In order in such a water heater to ensure good heat transmission despite a double-walled separation of the two media, it is envisaged that a per se known lamellar pipe (2) worked in a twisted manner is provided for conducting the heating water, into the coiled groove (3) of which a pipe (4) conducting the sanitary water is inserted. <IMAGE>
Patent DE-4113049-A1 (DE)
Title: Gas feed for high temp. fuel cell stack - uses S=shaped flow path between diametrically opposing corners of fuel cell plates
Inventor: FERGUSON JAMES DR
IPC: H01M8/249
Filed: 1991-04-22
Abstract: The gas feed allows O2 carrier gas and CH4 fuel gas to be fed between the ceramic, high temp. fuel cell plates, using (Zr, O2) as the fixed electrolyte (1), via channels at the corners of the plates, perpendicular to the plane of the latter, with similar removal of the ballast gas and the reaction products. The gas flow path within each fuel cell extends in a S-shape between diagonally opposing corners, the carrier and fuel gases and the ballast gas and reaction products flowing in the same or opposing directions. ADVANTAGE - Maintains electrode surfaces at constant temp.
Patent DE-4122729-A1 (DE)
Title: Recovery of silver@ from suspension after enzymatic sepn. from film waste - by acidifying, flocculating with sodium sulphite and precoat filtration
Inventor: ANGER IMMO DR
IPC: G03C11/24
Filed: 1991-07-05
Abstract: Method involves acidifying a silver suspension to pH 4.5-5.5, treatment with 0.05-0.2 g/l Na2SO3 and filtration through a precoat layer after flocculation for 30-60 min.. The precoat layer pref. consists of acicular CaSO4.2H2O crystals with a length of 20-150 microns and width of 2-10 microns. USE/ADVANTAGE - Relatively small amts. of Ag can be recovered from a large vol. of aq. soln. with min. loss. Up to 99.5% recovery of Ag (as Ag and AgBr) is attained. The coat is favourable and most of the gelatin and its decomposition prods. is sepd. in the filtrate, instead of accumulating in the Ag sludge. In an example, 140 g comminuted film waste were treated with 1000 ml water with an enzyme activity of ca. 100 Kunitz units. The plastic fraction was sifted out and washed well with a total of 800 ml water in several portions, giving very pure-waste suitable for recycling. The suspension was adjusted to pH with 1 ml semi-conc. H2SO4, then 0.15 g Na2SO3 were stirred in. Flocculation started immediately and was complete after ca. 20 min.. The suspension was filtered through a 20-25 mm thick precoat layer. The light yellow filtrate contained partly decomposed gelatin and was passed to biological clarifying plant. The filter cake consisted of CaSO42H2O, water, Ag, AgBr and a small amt. of organic impurities (gelatin, dyestuffs etc.). The Ag could be worked up in the usual way.
Patent DE-4123208-A1 (DE)
Inventor: WENZEL HARALD DIPL ING
IPC: F02B41/10
Filed: 1991-07-10
Abstract: The invention relates to a compressor unit for generating compressed air, having a compressor, which is connected to the places of consumption via a line, and an exhaust gas turbocharger, which on its drive side is connected to the exhaust gas side of a heat engine and, via a line, is connected to the compressor. In order to improve the overall efficiency of such a unit, the invention proposes that the compressor (50) be driven by the output side of the heat engine (40) and that the exhaust gas turbocharger (21) be disposed in the suction (60) and/or discharge line (72) and that the discharge line (72) form the connection between the compressor (50) and a pressure vessel (80) which, via a further line (75, 76), is connected to the places of consumption. <IMAGE>
Patent DE-4123697-A1 (DE)
Title: Cardboard or corrugated paper corner piece - is for box shaped objects and has two rows of rectangles
Inventor: RUEBER JOHANN
IPC: B65D81/05
Filed: 1991-07-17
Abstract: The corner-piece for protecting box-shaped objects being packed and transported is made of a cardboard, corrugated paper section. The section comprises two juxtaposed rows each of three rectangles (14, 16, 18; 20, 22, 24) joined together by folding. One of the rows is prolonged by a further rectangle (36); and the other row has two attached rectangles (44, 48). Between the middle rectangles (16, 22) of the two rows of three is an elongated incision (28). Double fold-lines (30, 32) run across the rows and join the rectangles. USE/ADVANTAGE - An environmentally firendly corner piece is for box shaped objects.
Patent DE-4124329-A1 (DE)
Title: Heald frame connectors - have two=piece expanding connectors located inside the hollow shafts
Inventor: GAISSER RUDI
IPC: D03C9/06
Filed: 1991-07-23
Abstract: Heald frames with hollow shafts are joined together by connectors, constructed with at least two separate parts. These are aligned together, and then pressed apart within the hollow. The connecting piece is employed to join two shaft ends together. The ends have hollow cross section, with an upper groove running along the length, and projection at the bottom for the heald support rail. ADVANTAGE - The system dispenses with rivets which has a weakening effect on the frame
Patent DE-4128294-A1 (DE)
Title: Barrier addition for use by blind people - consists of light attachment to a temporary barrier frame which can be detected by blind person's stick.
Inventor: HINZ KLAUS
IPC: E01F13/02
Filed: 1991-08-27
Abstract: The folding barrier may be made of a folding framework (A). A lightweight strip is added to the framework at a short distance off the ground. The lightweight strip forms a permanent part of the frame except at openings (11), where it is demountable. USE/ADVANTAGE - Addition to barrier framework allows barrier to be detected by blind person with their stick.
Patent DE-4128556-A1 (DE)
Title: Archiving system with robot handling of data cassettes - cassettes are extracted from locations in indexed carousels by multi-axis robot and moved to read-write unit
Inventor: HELIGE GERHARD
IPC: G11B15/68
Filed: 1991-08-28
Abstract: The archiving system allows a large number of data cassettes (22) to be stored in such a way that they are readily retrieved and replaced. The system has a number of carousels (12) that have cassettes stored on shelves in compartments around the surface. The carousels are rotatable around a central axis so that the desired  cassettes may be presented in the receiving position (32) for the robot. Located alongside the carousels is a robot handling system that has a carriage (50) moving on rails (46, 48). The gripper (90) is supported on arm assembly that can move vertically on guides (58). The robot extracts a cassette from a selected location and is moved to the read/write unit (72), where cassettes are stacked from the bottom upwards in slots. ADVANTAGE - Automatic handling of cassettes in archiving system.
Patent DE-4131329-A1 (DE)
Title: Machine for picking up and distributing silage - has swivelling cutter on swinging arms which moves blocks of silage to roller cutter and belt conveyor
Inventor: STRAUTMANN HEINRICH
IPC: A01K5/00
Filed: 1991-09-20
Abstract: A machine for picking up, transporting and distributing silage may be in the form of a trailer for towing by tractor or an independently driven vehicle. It has an adjustable cutter (8) at the back which cuts out blocks of silage and moves it into a loader (20) equipped with a scraper base (23) and roller cutter (24). The silage is moved by the scraper (23) and roller (24) on to a transverse conveyor belt (25) which discharges it from the side. The cutter comprises a swivelling bucket between two forks (8) on the ends of swinging arms (1) which swing the bucket up and over the loader (20). USE/ADVANTAGE - Robust and easily operated machine delivers silage relatively clean and without loss.
Patent DE-4131876-A1 (DE)
Title: Target recognition device with detector matrix and clock generator - digitises outputs accumulated during one clock period in second period using threshold comparator, esp. with adaptive threshold.
Inventor: PAECH JOACHIM DR
IPC: F41G7/22
Filed: 1991-09-25
Abstract: The target recognition device contains a detector matrix (1) and a clock generator. Outputs accumulated during one period are separately digitised for matrix rows and columns in a second period using a threshold comparator (3), esp. with an adaptive threshold. The digitised values are correlated with reference values by an evaluation unit (6). A combining circuit consists of AND gates (4) for each two outputs of adjacent detector elements or preceding AND gates in appropriate stages for the detector rows and columns. The stages are successively activated by the clock generator. A status register for evaluatable status words corresp. to detector elements above the threshold is connected to the outputs of the threshold comparator and corresp. AND gate. USE/ADVANTAGE - For 'intelligent' munitions. Achieves very fast processing without high signal processing requirements.
Patent DE-4131955-A1 (DE)
Title: Magnetic head for disc drive - has triangular frame support with temperature compensator insert having different expansion coefficient
Inventor: SANADA YOTARO
IPC: G11B5/48
Filed: 1991-09-25
Abstract: The magnetic disc drive for the storage of data has a number of discs arranged in a vertical stack on a common spindle. The discs are accessed for read-write opreations by a pick up (12) mounted on a spring arm (16) with a flexible coupling (14). The arm is attached to a triangular section arm (18). One of the links of the arm has an insert of material that has a a thermal expansion coefficient different to that of the other elements . This acts as a correction unit for changes in temperature. ADVANTAGE - Precise positioning of head despite temp. variations.
Patent DE-4133366-A1 (DE)
Title: Aminoacid compsn. for prevention of hypoxic cell damage - contains glycine, serine, alanine, aspartic acid or glutamic acid or mixt.
Inventor: SIXT BERNHARD DR
IPC: A61K31/195
Filed: 1991-10-09
Abstract: Compsn. (A) contains 0.1-30 mmol/l of glycine, serine, alanine, aspartic acid or glutamic acid or a mixt. of these aminoacids. (A) pref. contains 0.2-10 mmol/l of the aminoacid(s). An esp. pref. compsn. (A) contains glycine and/or serine in a concn. of 0.1-10 mmol/l. USE - (A) is used to reduce or prevent hypoxic damage in human and animal tissue, e.g. liver kidney, intestine and pancreas. It is esp. effective during operations, including transplants, where it is perfused into the organs as a soln. In an example, the effect of glycine at 10 mmol/l on hypoxic cell damage to rat hepatocytes was tested using lactate dehydrogenase (LDH) liberation to measure damage. LDH liberation was 5%, 7% and 10% after 2, 4 and 6 hrs., compared with 50%, 65% and 75% for control over the same period.
Patent DE-4135254-A1 (DE)
Title: Improved tracking method for VTR - measuring min. and max. amplitudes of received signal, and generating control voltage to alter variable gain amp. which controls capstan revs.
Inventor: SOWIG HELMUT DIPL ING
IPC: G11B15/02
Filed: 1991-10-25
Abstract: The tracking method automatically measures the min. and max. amplitudes of the received frequency modulated signal during an initial test run, and generates a control voltage (Ur) for controlling the pick-up (1,16) positions. A variable gain amplifier (6) has a control input (c) connected to a capacitor (9) that stores the control voltage, with the output connected back to the capacitor via a matching circuit (8). A clamping circuit (10,11) fixes the signal level at its max. level for optimal tracking adjustments. The position of the pick-ups is adjusted (13) w.r.t. the control voltage by varying the capstan (14) revs. via an A/D converter (12) linked to a controller (13). ADVANTAGE - Accurate tracking that is independent of tape type, condition or mfr. tolerances.
Patent DE-4136111-A1 (DE)
IPC: H04N7/24
Filed: 1991-11-02
Abstract: To process television signals and/or sound signals on carriers at the intermediate frequency (ZF), the signals with carrier are digitised (A/D) channel by channel as composite signals. For the transmission in time-division multiplex, the digitised channel signals are converted to the baseband by digital frequency conversion (DFU). After the transmission, individual channels can be reconverted into the digital intermediate-frequency range or converted (DFU1, DFU2, DFUn) into various frequency slots for forming a digital frequency-division multiplex signal which can be fed into a distribution network. The method according to the invention allows a high-quality transmission and/or distribution with reduced complexity, particularly at the receiving end. <IMAGE>
Patent DE-4138632-A1 (DE)
Title: Prodn. of anti-knocking fuel component - comprises alkylating paraffin(s) with olefin(s) in presence of aluminophosphate catalyst
Inventor: THOME ROLAND DR
IPC: C10G29/20
Filed: 1991-11-25
Abstract: Prodn. of anti-knocking fuel components comprises alkylating branched 4-20C paraffin hydrocarbons with 2-12C olefin hydrocarbons, in the presence of catalyst at 0-300 deg.C, and 0.1-10 MPa. Molar ratio iso-paraffin/olefin is 1-100. The novelty is that the catalyst is a crystalline microporous aluminophosphate of defined pore structure, the pore openings being linked by oxygen atom rings with more than 12 members. The aluminophosphate has one or additional elements selected from gps. IIa, IIb, IIIa, IVa, Va, VIIb and VIIIb. ADVANTAGE - High proportion of highly branched paraffin hydrocarbons are present in the conversion prod..