baber/WOPTO huggingface dataset:
Patent DE-3929694-A1 (DE)
Title: New albocyclin derivs. prepn. - by cultivating streptomyces spec dsm 5469 useful as antiviral agents in treatment of influenza and rhinoviruses
Inventor: HUETTER KLAUS DR
IPC: C12P17/08
Filed: 1989-09-07
Abstract: Albocyclin dervatives of formula (I) are new. In (I) R1 = H.  R2 = H, NR'R", or SR', R' = 1-8C (hydroxy)alkyl, 1-8C alkyl-O-glycosyl, or H. R' = 1-8C cyl, or H. R2 is preferably NHCH2-CH2O beta -D-GLc, NHCH2-CH2OH, NHCH2-CH2Obeta-D-GlcAc4, N(Ac)CH2-CH2OAc, SCH2CH3 or SCH2CH2OH. Preparation of (I) is also claimed, in which Streptomyces  spec. DSM 5469 is cultivated, albocyclin of formula (II) isolated and then derivatised. USE/ADVANTAGE - (I) has antiviral activity, low toxicity, better solubility and can be used as antiviral agents in the treatment of influenza and rhino viruses.
Patent DE-4001517-A1 (DE)
Title: Installing window or door frame in wall - involves profiled component with rigid flat face and internal flange inserted into wall opening
Inventor: OSBORNE JOHN LEIGHTON
IPC: E06B1/00
Filed: 1990-01-19
Abstract: The window or door frame installation in a building wall uses a profiled component to define the opening in which the frame is to be fixed. The component (1) is of rigid, vapour-reistant material, with a rigid end face (7), and a flange (8) forming an internal shoulder. The end face is flat, forming a support for the surrounding masonry. The flange protrudes inside the opening from a middle portion of the end face, with the component anchored by the latter in the masonry. The window or door frame is inserted in the component to bear against the flange, and is fixed to the latter and/or to the end face. ADVANTAGE - Simple installation of prefab.  windows etc.
Patent DE-4002799-A1 (DE)
Title: Glass panelled door for open fireplace - slides vertically up and down and has hopper wing giving access for cleaning
IPC: F24B1/192
Filed: 1990-01-31
Abstract: The glass panelled door (2) for an open fireplace enclosed by a side wall (4) and a back (5), fits into a frame (10) and is bottom hung (16). The frame can slide vertically up and down under the control of counterbalancing weights, and the hopper wing (15) is also controlled by counter weights (20). The door can be built up from U or L- section members. The hopper wing can move on a roller guided cable. USE/ADVANTAGE - The door slides up and down and the hopper wing gives access for cleaning.
Patent DE-4005447-A1 (DE)
Title: Car jack with pivoted foot - incorporates pivoted support piece at top to relieve jack of tipping moments
Inventor: IPEKBAYRAK SELAHATTIN
IPC: B66F3/12
Filed: 1990-02-21
Abstract: The jack has a pillar (1) with a pivoted foot (2) at the bottom end and an arm (4) swinging about a pivot (5) in the middle. The free end (4a) of the arm can be raised by a hand crank (6) rotating a leadscrew (7). A plastics load support piece (8) is shaped at its upper end (8a) to fit round a weld seam, say, on the vehicle chassis. The bottom end (8b) is hemispherical and fits into a metal cup (10) welded to the arm (4). A moulded-in screw (12) passes through an elongated hole (11) in the cup and has a retaining disc (13) riveted on its end. This arrangement allows the support piece (8) is swivel in the cup (10) as the vehicle is raised.
Patent DE-4011717-A1 (DE)
Inventor: WISSPEINTNER KARL DIPL ING
IPC: G01B7/06
Filed: 1990-04-11
Abstract: A process for calibrating a thickness tester with preferably two travel measuring sensors (2, 3) operating with or without contact is proposed in which thickness testers operating on various measuring principles can be easily calibrated, where the measurement must be performed, by means of a reference object (7).
Patent DE-4018183-A1 (DE)
Inventor: MUELLER HANNS-PETER DR
IPC: A61K6/893
Filed: 1990-06-07
Abstract: The impression materials are preferably used in dentistry. The impression materials described within the scope of the present invention are used to prepare impressions of articles of which a three-dimensional copy is to be prepared. The impression materials can be employed preferably in dentistry in the preparation of inlays, crowns, bridges and dentures.
Patent DE-4023443-A1 (DE)
Title: Shell contg. electronic assembly - has casing hermetically sealed by solder strips
Inventor: WEIGL NORBERT
IPC: F42B30/00
Filed: 1990-07-24
Abstract: A shell has an electronic assembly in a shell casing which is closed by a shellbase and which has a thread for screwing on at a fuse, the novelty being that the shell casing (1) is hermetically sealed by soldering of a solder strip (12), inserted between the shell base (11) and the shell casing (1), and of a solder strip (5) provided at the periphery of a plate (4) inserted in the thread (2). ADVANTAGE - The shell has improved storability.
Patent DE-4023745-A1 (DE)
Inventor: HAEFNER HANS WILHELM
IPC: G01G19/04
Filed: 1990-07-26
Abstract: The sleeper (2) is equipped with a measuring sensor (3) for detecting the vertical forces acting on the rails (1), the measuring sensor (3) being let into the sleeper (2) itself and arranged to support the rail (1). The measuring sensors (3) of a number of rails (2) can be connected together to provide a measuring section. The measurements determined by the measuring sensors (3) can be transmitted without wires to a recording unit arranged in a rail vehicle, the rail vehicle being fitted with an energy transmitter, approximately in the form of an induction loop, which supplies energy to the measuring sensors. 
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Patent DE-4026755-A1 (DE)
Inventor: SCHULTE DIETRICH DR
IPC: A61F13/02
Filed: 1990-08-24
Abstract: Film-basis dressing, which is covered on the one side with a support material (2) and is provided on the other side with a self-adhesive layer (5) and is characterised in that the support (2) consists of a flexible and adaptable material having the same size as the film, and projecting grip strips are arranged along its right and left edge. <IMAGE>
Patent DE-4027548-A1 (DE)
Title: Word processing system with printing of forms - provided by display table indicating position of cursor on monitor
Inventor: FOLKENS DIETER
IPC: B41J3/46
Filed: 1990-08-31
Abstract: The word processing system has a display with characters entered using the alpha numeric keys (5) and the positions determined by cursor keys (6). The output of the word processor is transmitted to a printer (15). The printer has a transparent plate (19) onto which may be placed a form (20) that is retained by clips (21-24). The corresponding position of the cursor on the monitor is indicated by a marker (25). The marker is in the form of a point of light moved by a coordinate system having a pair of drive motors. ADVANTAGE - Simplifies printing of forms.
Patent DE-4028757-A1 (DE)
Title: Two-stroke combustion engine control - using rotary discs adjoining inlet and exhaust ports with phase adjustment by connection to accelerator pedal or electronic circuit
Inventor: BARTSCH CHRISTIAN
IPC: F01L7/12
Filed: 1990-09-11
Abstract: The gaseous mixt. is drawn into the cylinder (1) through a scavenging port (3) and duct (4). The combination prods. are expelled through an exhaust port (5) into a duct (6) incorporating a rotary disc (8) driven, like the inlet rotary disc (7), at half or double speed from the crankshaft. The rotation of the discs (7, 8) are phased so that the exhaust duct (6) is alwasy closed when a max. vacuum is present at the exhaust port (5). ADVANTAGE - Oscillations of gas in exhaust pipe can be used for scavenging optimally in widest variety of operating conditions.
Patent DE-4029221-A1 (DE)
Title: Switching circuit component e.g. for electronic video equipment -  ensures negative-bias availability at base of prim. switching transistor driven by integrated PWM control circuit
Inventor: PALATA JAROMIR
IPC: H02M1/36
Filed: 1990-09-14
Abstract: An inrush-current-limiting resistance (R2) for the mains rectifier's output smoothing capacitor (C5) is connected in the DC side and develops a negative bias voltage (UR2) for the base of the ouptut transformera prim. switching transistor (T). This voltage falls from e.g. 130V at switch-on to about 6V in normal operation. It is applied to the capacitor (C9) across a diode string (D8-D10) either directly (a) or via a low-impedance choke (L3) and resistance (R4). USE/ADVANTAGE - With  TV receivers and video recorders. Negative bias voltage is available immediately after switching on so that transistor lifetime is prolonged.
Patent DE-4031696-A1 (DE)
Title: Removing traces of nickel and iron carbonyls -  from hydrogen sulphide-contg. gases by passing gases through active carbon@
Inventor: KALB KARSTEN DIPL ING
IPC: C10K1/32
Filed: 1990-10-04
Abstract: Traces of Ni- and Fe-carbonyls are removed from H2S-contg. gases by passing the gases through layers of active carbon at 0.11 0.20 (0.14-2.0) MPa and 10-50 deg.C with linear velocity 0.2-1.4 m/s. ADVANTAGE - Volatile highly toxic carbonyls are converted into non-volatile harmelss metal cpds. Additionally, on processing the gases a continuous max. S. yield, highest purity of S produced amd a considerable redn. in SO2 emission are achieved.
Patent DE-4032535-A1 (DE)
Title: Frame for supermarket trolley - has vertical guides for basket which can be clamped in either of two positions
Inventor: WANZL RUDOLF
IPC: B62B3/18
Filed: 1990-10-13
Abstract: The hand-propelled trolley, such as a supermarket trolley, has a frame (2) which is fitted with at least three wheels (3). The rear end of the frame (2) extends upwards and supports two vertical guides (15). The trolley basket is designed to slide in these guides and can be clamped in a preferred position by means of screw clamps actuated by knobs (27). The basket can thus be clamped either in the lower position (23) or in the higher position (23') to suit the convenience of the user when loading or unloading the trolley. USE/ADVANTAGE - Supermarket trolley with basket of adjustable height.
Patent DE-4036112-A1 (DE)
Title: Continuous drying plant for material - uses microwaves and connection to dry material on conveyor in vacuum chamber
Inventor: HEINDL ALBERT
IPC: F26B3/34
Filed: 1990-11-13
Abstract: In the vacuum chamber (2) there are several conveyor belts (4) arranged one above the other and overlapping so that the material to be dried is introduced from an entry sluice (1) onto the first conveyor belt, and then from one belt to another so that it is turned over. Each area within which the material for drying is carried by a conveyor belt has at least one zone in which a gas current is passed from top to bottom or in the reverse direction through the material, and at least one other zone in which the material is subjected to microwave heating. USE - To dry continuously piece, granulate or fibre-form material.
Patent DE-4037074-A1 (DE)
Title: Method of supported mining tunnels - involves endless fabric tubing unwound from drum and filled under pressure and presed against rock face
Inventor: KETTERER KLAUS DIPL ING
IPC: E21D11/10
Filed: 1990-11-22
Abstract: A method of supporting mining tunnels involves the use of fabric tubes filled with building material pumped in under pressure. The filled container tube is hardened by a press machine pressing it tightly against the rock face. The tube is endless and is unwound from a stand by drum and has filler valves at intervals along its length. A swinging jib (6) fixed to the cutting machine (1) moves at a speed synchronised with the hardening process speed to continuously unwind the tube from the drum, when it is simultaneously filled and set in a spiral formation against the rock face. USE/ADVANTAGE - The process is continuous and in phase with the fixing os shuttering and reinforcement.
Patent DE-4038199-A1 (DE)
Title: Transient voltage and current limiting circuitry for electric motor - uses controlled semiconductor bridge to provide current and=or voltage limiting path
Inventor: WAGNER KLAUS
IPC: H02P7/03
Filed: 1990-11-30
Abstract: The transient limiting circuitry uses four controlled semiconductors (1, 4) connected in a bridge circuit, the supply voltage source (+U) being across one bridge diagonal and the electric motor (M) across the other bridge diagonal. The semiconductors are coupled to a control stage (6) providing a transient voltage and/or current limiting path via the bridge when a given max. motor current or voltage is exceeded. Pref., the limiting path is provided during the acceleration, braking and rotation reversed phases of the motor. USE/ADVANTAGE - Reduces space requirements since no extra correcting components are required for limiting transient voltage and/or current peaks during switch on or off or change of direction of rotation of electromotor. No interference sparks result esp. in self-sufficient on-board network e.g. of motor vehicle.
Patent DE-4041272-A1 (DE)
Title: Wave-soldering apparatus - with reduction area produced by reducing flame by solder point to optimise soldering conditions
Inventor: PEDALL FRIEDRICH
IPC: B23K3/06
Filed: 1990-12-21
Abstract: Wave-soldering apparatus in which a gas heated burner (B) with reducing flame (F) is directed into the section between the conductor plate and the wave in the entrance and/or exit side of the plate. USE/ADVANTAGE - Soldering semi-conductor plates mounted with electronic components. The flame creates a reducing zone which ensures that any free oxygen is reduced together with any oxide coating, on the conductor plate. This avoids the need for any aggressive fluxing agents. A high temperature at the tip of the wave enables surface stress in the plate to be reduced thereby optimising soldering conditions.
Patent DE-4100137-A1 (DE)
Title: Underground soil retention wall - consists of piles of non-hardening material, and bridging elements
IPC: E02D5/18
Filed: 1991-01-04
Abstract: The construction system is for underground retention wall, consisting at least partly of pile elements. Piles (6, 8) of a non-hardening sealing material, e.g. mixtures of clay minerals, etc. are driven at relative distances. The spaces between the plies are then bridged by rigid sealing wall eleemnts (7, 9, 11). These are placed, so that their joints are located within a pile. The wall elements may be formed of hardening material, e.g. concrete, reinforced concrete. USE/ADVANTAGE - Safer and more reliable retaining wall construction method, esp. In contaminated ground.
Patent DE-4101242-A1 (DE)
Title: Stereoscopic endoscope - has optical fibre bundle for illumination of field and two image conductors providing spatial image to observer
Inventor: SCARFI ANDREA DR MED
IPC: A61B90/00
Filed: 1991-01-17
Abstract: The endoscope includes an optical fibre bundle for illumination of the field to be observed. Two image conductors are provided for transmission of the field image. The image conductors are arranged to provide the observer with a spatial image, and have two oculars which are adjustable w.r.t. the observer's eyes. The image conductors may alternatively be terminated with respective television cameras which detect two images of the field being observed. The endoscope pref. has a mechanical mounting allowing movement in three directions. This may be performed using motors under the control of a foot pedal or voice-activated controller. ADVANTAGE - Gives spatial impression.
Patent DE-4105396-A1 (DE)
Title: Solar panel for roof of vehicle - made of cell layer between outer glass panel and inner metal support
Inventor: PAETZ WERNER
IPC: H01L31/048
Filed: 1991-02-21
Abstract: Solar cover consists of a crystalline solar cell layer (14) located between an inner metallic support layer and an outer curved glass layer (15) of less than 3 mm thickness. The glass is thermally curved but not prestressed and has a ceramic screen printed pattern (22) on its side facing the solar cell layer (19) and is adhered to the adhesion layer (17) of one of the solar composites (25). ADVANTAGE - Is low in cost to produce and does not allow the construction parts to be seen through the glass.
Patent DE-4109104-A1 (DE)
Title: Hot melt adhesive with open time above 10 minutes - contains slow-crystallising polyurethane prepolymer, tackifying resin and opt. plasticiser
Inventor: KINZELMANN HANS-GEORG DR
IPC: C08G18/10
Filed: 1991-03-20
Abstract: A hot-melt adhesive (I) is claimed, with open time above 10 mins. Pref. (I) has initial strength above 1 MPa immediately after joining, Shore A hardness below 65 immediately after cooling to room temp., and glass temp. (Tg) 0-30 deg.C; (I) consists of (a) NCO-terminated PUR prepolymer which does not crystallise within the open time, (b) a tackifier with softening range 40-150 deg.C and opt. (c) a plasticiser; pref. (b) is a phenol-modified coumarone-indene resin with softening range 55-105 deg.C; (I) contains 1-50 (pref. 5-30) wt.% (b) and 0-25 (pref. 1-10) wt.% (c). USE/ADVANTAGE - (I) is useful as a hot melt adhesive which is applied to both sides of the joint, after which the parts are bonded together as with a contact adhesive (claimed); also claimed is (1) a process for bonding parts, by applying molten (I) to both joint surfaces, cooling to room temp. within 8 mins. and then pressing the parts together after more than 10 mins., without reheating, and (2) a joint component with hot melt adhesive (I). The method provides an adhesive compsn. with the desirable properties of both hot melt and contact adhesives; handling properties are improved without adversely affecting the strength, etc., and without the disadvantages of the latter type (emission of solvents, long drying times for water-based systems, poor thermal stability, e
Patent DE-4110212-A1 (DE)
Inventor: LAPPE PETER DIPL CHEM DR
IPC: C07C45/50
Filed: 1991-03-28
Abstract: For the recovery of rhodium from the distillation residues of crude oxosynthesis products, the residue, or the feed material containing the residue, is treated with oxygen or an oxygen-containing gas in the presence of a monocarboxylic acid having 2 to 5 carbon atoms and of an alkali metal salt of a monocarboxylic acid having 2 to 5 carbon atoms. The rhodium is then extracted as a water-soluble compound with water.
Patent DE-4110285-A1 (DE)
Inventor: HAERLE HANS A DIPL ING
IPC: B01D53/94
Filed: 1991-03-28
Abstract: A filter body or catalyst body for removing harmful constituents from the exhaust gases of an internal combustion engine, in particular a diesel engine, is provided with at least one ply of a fabric of metal wires or metal fibres. A sinterable material in the form of powder, grains, fibre fragments or chips has been introduced into the meshes and sintered onto the wires or fibres. The fabric is formed as a wire twill fabric (1), into the meshes (5) of which sinterable material (4) has been introduced and sintered to the wires or fibres (2, 3). 
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Patent DE-4115436-A1 (DE)
Title: Handpiece for laser tissue coagulation instrument - has incoming optical fibres selectively coupled to outgoing optical fibre via intermediate lens
Inventor: LIEBETRUTH JOCHEN DR ING
IPC: A61B18/22
Filed: 1991-05-08
Abstract: The handpiece allows two optical fibres (10), for transmission of laser light, to be coupled selectively to an outgoing optical fibre (2), via an intermediate lens (4). The latter only transmits the laser radiation received from the incoming optical fibre (10) located at its focus, the laser radiation from the other incoming optical fibres (10) not being coupled to the outgoing optical fibre (2). Pref. the exact positioning of one of the incoming optical fibres at the focus of the lens (4) is signalled. ADVANTAGE - Allows simple variation of tissue coagulation characteristics.
Patent DE-4117566-A1 (DE)
Title: IC engine valve timing gear - has hydraulic valve play compensators between cam follower and each valve stem
Inventor: STEINWART JOHANNES DIPL ING
IPC: F01L9/14
Filed: 1991-05-29
Abstract: Each cylinder of an IC engine has at least two intake and/or discharge valve(2) operated by a cam(7) of a camshaft(8) using a common rocker arm(6) with a contact position(12) for each valve. The hydralic compensator(13) is located between the rocker arm contact position(12) and the stem(3) of each valve(2). It is mounted in a detachable bearing box(15) fitted to the cylinder head(1). The bearing box has drillings(14) aligned with the valve stems. The compensators slide into these drillings, which have a pressure oil supply duct opening(25).
Patent DE-4122398-A1 (DE)
Inventor: UEBERSCHAER HANS-JOERG
IPC: G09B29/10
Filed: 1991-07-04
Abstract: An electronic guide device, preferably for a city guide, having a distribution of all selector functions on two operating regions on both sides of the LCD display (2) for finding the position of geographical objects of predeterminable kinds and the best way to reach them, in which geographical objects of a predeterminable kind and geographical regions can be selected on a first control field from lists, and plane squares can be selected on a second or third control field (22 and 23). The device shows a geographical map which can be moved and zoomed into by a cursor (1) and the scale (3) and is fitted with its own power source and a circuit with the read unit (35) and aperture (15) for disc-shaped data substrates (24) a bus (31) and a microcomputer (30) for finding locations and for processing and issuing additional information.
Patent DE-4130115-A1 (DE)
Title: Sheet metal facing esp. for wall facades and cladding - has edges bent in to form male and female profiles respectively which fit together tightly under pressure regardless of thermal movements
Inventor: HEINEMANN HERBERT
IPC: E04F13/12
Filed: 1991-09-11
Abstract: A sheet metal facing member has a flat visible face and longitudinal profiled edges bent inwards. One edge is a male for joints and its cross-section has a protrusion with tip towards the visible face and with a rounded back part. The other edge is shaped correspondingly to fit it by an undercut which engages the protrusion when two members are fitted together. In addn., a porous insulating material fills the space between the longitudinal edges. When erected the two adjacent edges butt together and the undercut in the female edge has a face at an angle to the visible face when the protrusion concerned fits tightly so that the adjacent corners of the sections come together under compression to form a tight seal between adjacent visible faces. Pref. material for the porous insulation is polyurethane or polystyrene foam. ADVANTAGE - The members produce a tight fit together when erected. The joint remains tight even when the members are subject to thermal movements.
Patent DE-4136050-A1 (DE)
Title: Device for puncturing body organ or vessel - has body punctured with syringe through which guide wire is introduced, passing through channel, seal and cannula
IPC: A61B17/34
Filed: 1991-11-01
Abstract: Vessel or organ in a body is punctured by a medical syringe for introduction of a guide wire. The syringe has a cylinder housing (2) contg. a plunger (3) with a channel (7) connected to an opening at the forward end of the plunger, which has a seal (6). The guide wire (13) passes through the channel, the opening, i.c. perforation in the seal, and the cannula (4). The channel is extended with an insert at the end of the piston. ADVANTAGE - Placing of the guide wire is not laborious and is less stressful on the patient.