baber/WOPTO huggingface dataset:
Patent EP-0271868-A2 (EP)
Inventor: INOUE KENJI
IPC: C07D333/24
Filed: 1987-12-15
Abstract: A novel process for effectively preparing an optically active cyanohydrin comprising asymmetrically cyanating an aldehyde by reacting the aldehyde with a cyanating agent in the presence of a titanate of an optically active tartaric acid derivative.
Patent EP-0265015-A2 (EP)
Inventor: BERFIELD ROBERT C
IPC: E01H1/04
Filed: 1987-10-14
Abstract: A rotary brush sweeper (10) includes a debris pan (22) with an inlet portion (85) that glides on a surface being cleaned. The debris pan (22) automatically disengaged from the sweeper (10) upon being engaged by an obstacle in the path of the sweeper. The debris pan (22) is configured with an inlet portion or scoop (85) for directing debris propelled by a rotary brush (20) into the debris pan. The scoop portion (85) has a first upwardly and rearwardly inclined surface (100) and a second surface (108) beneath the first surface and facing downwardly. A low friction material (86) covers the first and second surfaces (100, 108) of the scoop to facilitate collection of debris into the debris pan. The covering (86) may include and inte­grally formed tip portion (112) of abrasion-resistant material, and is preferably configured in cooperation with the scoop to mechanically grip onto the scoop without the need for screws or adhesives.
Patent EP-0233724-A2 (EP)
Title: Ultrasonic probe for medical diagnostic examination
Inventor: KIKUCHI KOH
IPC: G10K11/35
Filed: 1987-01-30
Abstract: An ultrasonic probe which scans an ultrasonic beam in a sector area by a mechanical means are disclosed. The ultrasonic probe essentially comprises a driving motor, a rotary shaft rotatably supported in a direction perpendicular to the direction of driving shaft of the driving motor, a rotor shaft rotatably supported in a direction parallel to the direction of the rotary shaft, a rotor mounted on the rotor shaft for mounting ultrasonic transducers, screw gear means for transmitting rotation of the motor to the rotary shaft, and means for transmitting rotation of the rotary shaft to the rotor. 
     An embodiment of the transmitting means is also disclosed.
Patent EP-0237234-A2 (EP)
Inventor: YAMABE YASUO
IPC: B21D5/10
Filed: 1987-02-25
Abstract: There is disclosed a method for the production of a composite pipe with at least the inner surface thereof covered with a plastic layer, which comprises forming a coiled metal sheet (11) into a cylinder, during the conveyance of the metal sheet (11), by a cylindrical inner mold (41) and at least one of a plurality of outer molds (42; 43) lined up in the direction of conveyance of the metal sheet, said outer mold (42;43) having a housing composed of two separatable parts (421, 422; 431, 432) and being fitted around said inner mold (41) with a fixed space; joining the side edges in the circumferential direction of said cylinder together; and extruding molten resin into a cylindrical shape over the inner surface of the cylinder from the inner mold, resulting in a composite pipe the inner surface of which is covered with a plastic layer. An apparatus suitabe for carrying out the method is also disclosed.
Patent EP-0253518-A2 (EP)
Inventor: CRAIG DANIEL HORACE
IPC: C08F2/20
Filed: 1987-06-18
Abstract: Disclosed are aqueous dispersions having improved stabil­ity characteristics prepared by the emulsion polymerization of ethylenically unsaturated monomers having a low tendency for grafting onto hydroxyethyl cellulose, in which the the poly­merization is carried out in the presence of a nonionic cellu­lose ether that is hydrophobically modified by substitution with a hydrocarbon radical having about 8 to 25 carbon atoms, the emulsion polymerization producing a latex having a parti­cle size of less than 1.0 micron. The aqueous dispersions are useful in the manufacture of latex paints, binders, inks, pa­per coatings and water-borne adhesives.
Patent EP-0250272-A2 (EP)
Inventor: BAMFORD DAVID CHARLES
IPC: B21D41/04
Filed: 1987-06-22
Abstract: A method of providing a face seal at an end (11) of a tube (10) comprises the steps of displacing an end (22) of the tube (10) to provide a radially inwardly extending region, providing a groove (13) in a longitudinally outwardly facing end (11) of the inwardly extending region to receive a seal (14).
Patent EP-0267729-A2 (EP)
Inventor: LIGTENBERG ADRIANUS
IPC: G06F17/14
Filed: 1987-11-04
Abstract: An orthogonal transform processor comprising a rotator circuit, a look-up table and a communicator circuit. The rotator circuit performs the complex multiplications required of a rotator, the necessary coefficients are supplied by the look-up table, and the communicator circuit is charged with the task of accepting input signals, supplying the rotator with the signals necessary fo each iteration, and delivering the resultant output signals. The rotator is realized with a matrix of spatially adjacent interconnected multiplier and adder modules, where each module comprises a portion of each of the multipliers necessary in the rotator.
Patent EP-0274314-A2 (EP)
Inventor: TESSIER JEAN
IPC: A01N53/00
Filed: 1987-12-11
Abstract: As new chemical products, the products (I): <IMAGE> in all the possible stereoisomeric forms and mixtures of these stereo- isomers and their application to the synthesis of pesticide products.
Patent EP-0269561-A2 (EP)
Inventor: ANGST HEINZ
IPC: G01N1/14
Filed: 1987-09-18
Abstract: In order to take samples from a sample tube (4) closed with a stopper (5) using a hollow needle, a collection tube (9.1, 9.2) is first inserted into the stopper (5). This is done by means of a solid pin (11) whose outside diameter is only less than the inside diameter of the tube (9.1, 9.2) to such an extent that the tube (9.1, 9.2) can be pushed onto the pin (11) and can be pulled off it. The diameter of tube (9.1, 9.2) and pin (11) must only be so large that, on being thrust into the stopper (5), the material of said stopper (5) is only displaced and not sheared off. When the pin is pulled out, the tube remains in the stopper and makes it possible to introduce a hollow needle for taking samples without difficulty. <IMAGE>
Patent EP-0341321-A2 (EP)
Title: Locking device
Inventor: KARLSSON BERTIL
IPC: F16D1/104
Filed: 1987-11-06
Abstract: A device for locking machining tools such as grinding wheels and saw blades to the associated drive shafts by means of the inner envelope surface of a unit (3) permanently secured to a drive shaft (11), and the outer envelope surface of a sleeve (1) acting as a holder for a grinder or saw blade, said envelope surfaces abutting or substantially abutting each other, the unit (3) being provided with cavities (9), each cavity containing a spring-actuated ball (6) which is able to partially protrude through a recess in the envelope surface of units (3).
Patent EP-0242350-A2 (EP)
Inventor: ROTTER FRANZ DIPL-ING
IPC: E01B11/54
Filed: 1987-04-02
Abstract: To protect the insulation values of electrically insulating rail joints even at relatively high temperatures and to reduce the butt joint, it is proposed to coat the junctions (namely the abutting surfaces and the connecting points for the lugs) with ceramic material. The rail joint is completed by bonding the abutting surfaces and by bonding and screwing the lugs together, using highly resistant rapidly hardening adhesives, in which connection the electrical insulating capability of these adhesives can be left out of consideration when selecting the adhesives.
Patent EP-0293551-A2 (EP)
Inventor: FROHLICH ALFRED
IPC: B41N7/04
Filed: 1988-02-06
Abstract: Roller for channelling a liquid which is made of a vulcanisable mixture of an elastomeric material, where the circumferential surface of the roller is provided, if necessary, with a special liquid channelling structure and where the material is admixed with short fine untreated plastic fibres and a resin or a resin-like material as coupling agent. <IMAGE>
Patent EP-0283913-A2 (EP)
Inventor: ALCORN WILLIAM R
IPC: F01N13/02
Filed: 1988-03-16
Abstract: There is provided a process and apparatus for carrying out the process, to remove nitrogen oxides from a gas stream. The process is characterized by passing the gas stream through a first catalytic zone in the absence of added ammonia and in the presence of an oxidation catalyst to convert the NO content thereof to NO₂, thereafter introducing ammonia into the gas stream, and catalytically reducing the NO₂ to nitrogen and water in the presence of a catalyst. Higher conversion to innocuous materials is obtained.
Patent EP-0290017-A2 (EP)
Inventor: KAPMEYER WOLFGANG DR
IPC: G01N33/546
Filed: 1988-05-05
Abstract: The method for detecting or determining a participant in a particle-enhanced immunological reaction by a nephelometric, turbidimetric or particle-counting method comprises carrying out the detection or determination in the presence of an antiserum which contains no antibodies which are specific for one of the immunological reactants.
Patent EP-0290051-A2 (EP)
Inventor: SIMM WOLFGANG DR
IPC: C23C4/06
Filed: 1988-05-07
Abstract: The production of a self-sharpening cutting or knife edge by coating of a metallic base material is to be improved in such a way that durable cutting or knife edges of variable layer thickness can be produced in a simple manner. For this purpose, a hard alloy layer based on one or more elements from group 8, period 4, of the periodic table is applied to the base material and then fused in by means of high-energy radiation, the hardness of the base material being substantially lower after this fusion than the hardness of the layer. In addition, sintered materials are to be incorporated into the hard alloy layer.
Patent EP-0291095-A2 (EP)
Title: Tin cover for cans
Inventor: STRUBE LUTZ
IPC: B65D/
Filed: 1988-05-16
Abstract: The tin cover is provided with at least one pouring opening which is prepared by a punching line and is sealed off hermetically by the punched-out tin part and a sealing mass which is applied in an annular fashion to the inside so that, for opening, the punched-out tin part can be pressed inwards into the interior of the tin by pressure from outside onto said tin part. In order to rule out the effect of spring-back capacity in the tin regions or of forces which can act on the tin part from the outside, at least one attachment point is provided between the edge of the tin part and the edge of the punch-out opening, which attachment point is constructed as a spot weld with the smallest diameter.
Patent EP-0309985-A2 (EP)
Inventor: CULLEY PAUL R
IPC: G06F9/38
Filed: 1988-09-27
Abstract: A method is described for deselecting pipelining when a processor is executing code from slow read-only memory in a system comprising a 32-bit processor, a high speed 32-bit bus, and a lower speed, 8 or 16-bit bus.
Patent EP-0320722-A2 (EP)
Inventor: NORRIS PETER E
IPC: G02B6/42
Filed: 1988-12-02
Abstract: Apparatus for supporting a group of optical fibers (10) in proper alignment with associated laser devices (11) and rear-facet photodetectors (35). The photo­detectors (35) and grooves (25) for supporting the optical fibers (10) are fabricated in a carrier member (20) of device quality silicon. An array (12) of a row of laser devices (11) is moved laterally along a slot (23) in the carrier member (20) transverse to the grooves (25) so as to align each laser device (11) with a groove (25) and with a photodetector (35). One or more carrier members (20) may be mounted on a supporting structure (40) adapted to receive them.
Patent EP-0322906-A2 (EP)
Inventor: AKIZAWA NOBUYUKI
IPC: B27F7/23
Filed: 1988-12-28
Abstract: An electric stapler including tension springs which prevent a second staple from entering a staple supply position of a magazine when a first staple is a jammed therein. The tension springs are connected between the arm of actuating links and connecting rods. The connecting rods connect the actuating links to the shaft of a motor. A clincher is provided which folds the legs of a U-shaped staple which have penetrated an article to be stapled against the article.
Patent EP-0309213-A2 (EP)
Inventor: MATSUNAWA MASAHIKO
IPC: H04N1/62
Filed: 1988-09-20
Abstract: Disclosed is a color image processing apparatus capable of readily processing an image as required based on simple circuit configuration, and the apparatus is capable of not only detecting a region disignated with a color marker on a multicolor document, but also performing a specific image processing at the inside or outside of the detected region.
Patent EP-0298919-A2 (EP)
Inventor: WASLEY JAN W F
IPC: C07F9/12
Filed: 1988-07-01
Abstract: Die Erfindung betrifft neue Verbindungen der Formel I <IMAGE> worin R1 unsubstituiertes oder durch Niederalkyl substituiertes C3-C7-Cycloalkyl, unsubstituiertes oder durch Niederalkyl substituiertes C7-oder C8-Bicycloalkyl, unsubstituiertes oder durch Niederalkyl substituiertes Adamantyl, 4-Piperdinyl oder N-Niederalkyl oder Aryl-niederalkyl substituiertes Piperidinyl, 1- oder 2-Indanyl, 1- oder 2-Tetrahydronaphthyl, 1- oder 2-Perhydroindanyl, 1- oder 2-Perhydronaphthyl bedeutet; R2 Wasserstoff, Niederalkyl, C3-C7-Cycloalkyl, Aryl-niederalkyl C3-C7-Cycloalkyl-niederalkyl, Niederalkanoyl oder Aryl-niederalkanoyl darstellt; oder R1 und R2, zusammen mit dem Stickstoffatom, an das sie gebunden sind, für Pyrrolidino, Piperidino, Perhydroazepino, Morpholino, Thiomorpholino, Tetrahydro- oder Perhydro(isochinolinyl oder chinolinyl), Dihydro- oder Perhydro-indolyl, Piperazino oder N-Niederalkyl-piperazino stehen; R3 Wasserstoff, Niederalkyl, Halogen oder Niederalkoxy bedeutet; pharmazeutisch annehmbare Ester- und Etherderivate davon; und pharmazeutisch verwendbare Säureadditionssalze der basischen Verbindungen der Formel I und ihrer Derivate. Diese Verbindungen wie auch gewisse Zwischenprodukte, aus denen sie hergestellt werden können, wirken als 5-Lipoxygenase-Hemmer.
Patent EP-0328850-A2 (EP)
Inventor: KAUFMANN JOSEF
IPC: H01H13/06
Filed: 1988-12-21
Abstract: The push button switch has a tubular switching part (15), which can move axially in a housing (11), with which there latches a push button cap (16, 17, 18) having a tubular projection (16a). A roll diaphragm (19) is used to seal the intermediate space between the round switching part (15) and the likewise round housing (4), the radially inner edge region of which roll diaphragm (19) rests on a shoulder (15d) arranged externally on the switching part (15) and is held fixedly there by means of axial pressure of the free end of the tubular projection (16a) of the push button cap. The radially outer edge region (19b) can be produced from one piece with the sealing ring (19c), fitted externally on the housing, and can be connected thereto by means of individual spokes. In this way, a seal which is significantly improved with respect to known switches of this type can be achieved between the roll diaphragm and the switching part, on the one hand, and the housing, on the other hand, at reasonable costs, that is to say at costs which are not greater than those for the previously known switches. <IMAGE>
Patent EP-0325139-A2 (EP)
Inventor: BLEIBTREU ALEXANDER
IPC: H01H9/00
Filed: 1989-01-10
Abstract: A contact arrangement for tap changers of tap transformers, in which the contact piece is seated with a shank (1) in a hole of a cylindrical wall (2) consisting of wound dielectric material and has a connecting surface on the one side and a contact surface on the other side. The shank of the contact piece is provided with two mutually interlocking dielectric material bushes (5, 6) which are placed onto the shank (1) from both sides of the cylindrical wall (2) and which each rest with a projecting edge (7, 8) on the cylindrical wall. The contact surface is designed in the manner of a bead as an electrode shape (3) which rests firmly on the dielectric material bush (5), the contact piece being held in the cylindrical wall by permanent deformation (9) of its shank on the outer side of the cylindrical wall. <IMAGE>
Patent EP-0327879-A2 (EP)
Inventor: KARTHEUS HOLGER
IPC: A61H23/04
Filed: 1989-01-25
Abstract: The apparatus consists of at least one cuff (2) with a number of chambers (13). The cuff can be applied around the limb of the patient to be treated and, following this, it is possible to inflate and remove air from the chambers (13) with the aid of valves (15). 
<??>To obtain an optimum treatment of the patient and a simple construction of the apparatus, all the valves (15) are connected in series and can be controlled one after the other in a cascade fashion via a common control line (12). In addition, a supply line (11) and the control line (12) are connected only to the first valve (15a), whereas, downstream, in each case two adjacent valves (15) are connected to one another by supply and control line sections (11a to e and 12a to e). 
<??>The valve body (29) of each valve (15a, 15) separates a supply space (33) of the valve, which communicates constantly on the one hand with a supply line part and on the other hand with the associated chamber, from a control space (32) of the valve communicating with the control line. After the associated chamber (13) has been filled, the valve body (29) of the valve releases a valve opening (30), as a result of which supply air can pass to the next valve (15) in each case, in order to inflate the chamber (13) belonging to this valve.
Patent EP-0327998-A2 (EP)
Inventor: TSUCHIYA SHOZO
IPC: G03F7/039
Filed: 1989-02-03
Abstract: A positive type photoresist material comprises a polymer having structural units each represented by the following formula (I) of;
     wherein each of R 1 , R 2 , R 3  and R 6  represents a hydrogen atom or a hydrocarbon residue having 1 to 12 carbon atoms, each or R 4  and R 5  represents a hydrogen atom, a hydroxyl group or a hydrocarbon residue having 1 to 12 carbon atoms and Z represents (̵CH 2 )̵ n  in which n indicates an integer of 0 to 4.
Patent EP-0354981-A2 (EP)
Inventor: ESSWEIN GERD DR
IPC: C08G18/72
Filed: 1989-02-21
Abstract: A liquid polyurethane-urea prepolymer is prepared by reacting a polyol mixture consisting of 70 to 95 parts by weight of a linear epsilon -polycaprolactone with a molecular weight between 500 and 1000 and of 5 to 30 parts by weight of a linear polyethylene glycol with a molecular weight between 300 and 3000, with 1.8 to 1.95 equivalents of toluylene diisocyanate, and diluting the product with 0.3 to 0.7 equivalents, based on the polyol mixture, of a second, liquid polyisocyanate. The product can be mixed with a mineral mixture and left to set under the action of moisture to give an open-pore cold-cured resin concrete.
Patent EP-0350565-A2 (EP)
Title: Schmelz-Sicherheitseinrichtung für das Gassystem hydropneumatischer Druckspeicher
Inventor: MULLER MATTHIAS
IPC: F16K17/38
Filed: 1989-03-11
Abstract: Eine Schmelz-Sicherheitseinrichtung mit einem Sperrelement (27) aus einem bei unzulässiger Temperaturerhöhung schmelzenden Werkstoff weist ein normalerweise geschlossenes Ventil (1) auf, das durch ein Stellglied (45) öffenbar ist, das für seine Stellbewegung durch die Kraft eines Kraftantriebs (33) vorgespannt ist. Das Sperrelement (27) bildet ein die Stellbewegung des Stellgliedes (45) mechanisch sperrendes Blockierglied.
Patent EP-0333130-A2 (EP)
Inventor: GINSBURG EILON
IPC: G09G3/32
Filed: 1989-03-14
Abstract: A multicolored dot matrix display device and its controller which has a microprocessor and address buffers, data buffers and video memory planes. Each video memory plane has an associated address buffer and an associated data buffer. A graph control data circuit controls each video plane of memory and a colored pallet to control the display, on the dot matrix display device. The pallet control circuit is used to determine the actual color which is displayed from each video memory plane which controls the final color which is displayed on the dot display device.
Patent EP-0337180-A2 (EP)
Title: Entnahmeventilkopf für Behälter
Inventor: JOSEPH FRANK
IPC: F16K11/10
Filed: 1989-03-25
Abstract: Ein Entnahmeventilkopf für einen Behälter für hochreine und/oder toxische flüssige Chemikalien weist ein Einlaßventil (10) für ein Füllgas, ein Auslaßventil (11) und ein Spülventil (12) auf, das einen Bypass zwischen einer Gaseinlaßleitung (4) und einer Entnahmeleitung (8) verschließt.Diese Ventile (10,11,12) sind als Metallmembranventile ausgeführt und in einem gemeinsamen metallischen Ventilgehäuseblock (9) eingesetzt. Alle Ventilsitze (10a, 11a, 12a) der Ventile (10,11,12) sind im Ventilgehäuseblock (9) in enger räumlicher Nähe zueinander angeordnet sind.
Patent EP-0344504-A2 (EP)
Inventor: ANSCHEL MORRIS
IPC: H05K1/03
Filed: 1989-05-13
Abstract: The article comprises a polyimide layer and a layer of a metal benzotriazole above said polyimide layer wherein said metal is selected from the group of copper, silver, and gold, and a layer of metal adjoining said metal benzotriazole layer. The method for forming such an article comprises the steps: providing a layer of a metal benzotriazole adjoining a polyamic acid layer that may be a layer of a polyimide substrate being converted to polyamic acid, wherein said metal is selected from the group of copper, silver and gold; providing a layer of metal adjoining said layer of metal benzotriazole and converting said polyamic acid to polyimide.
Patent EP-0350937-A2 (EP)
Inventor: TERADA MASAHIRO
IPC: C09K19/42
Filed: 1989-07-13
Abstract: A ferroelectric chiral smectic liquid crystal composition, comprising at least one compound represented by the following formula (I):
     
     wherein R 1  denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a   substituent, R 2  denotes a linear or branched alkyl group having 1 - 14 carbon atoms capable of having a   substituent; X 1  and X 2  respectively denote a single bond,
     m is 0 - 7; and n is 0 or 1; and at least one compound represented by the following formula (II):
         wherein R 3  and R 4  respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X 3  and X 4  respectively denote a single bond,
     or
     Y 1  denotes -CH 2 0- or -OCH 2 -; and p and q are respectively 1 or 2.
Patent EP-0371211-A2 (EP)
Inventor: VOLLATH DIETER DR
IPC: B01D1/18
Filed: 1989-09-02
Abstract: The invention relates to a process for the preparation of a homogeneous, finely divided ceramic powder, in which a) a solution or a suspension of substances from which the constituents of the ceramic powder are formed is prepared, b) the solution or suspension is sprayed through a nozzle into a heatable reactor, c) the solvent or suspending agent is evaporated in the reactor and solid residue particles to form, which are dried and converted into the constituents of the ceramic powder by a decomposition reaction or another chemical reaction. It is an object of the invention to indicate a process for the preparation of a finely divided and homogeneous ceramic powder which is crystalline and virtually free from water. The properties of this powder do not depend on the nature of the metal ions employed. In the process, the evaporation of the solvent or suspending agent, the drying and the calcination of the resultant residue particles and their chemical conversion into the desired ceramic proceed in a single process step. The object is achieved according to the invention in that a combustible gas, which is burnt in the reactor, is used to spray the solution or suspension.