baber/WOPTO huggingface dataset:
Patent EP-0000553-A1 (EP)
Inventor: BALS HANS GUNTER DIPL-ING
IPC: B62M1/36
Filed: 1978-07-20
Abstract: Ein fahrradähnliches Zweirad hat einen Rahmen, bestehend aus vier gelenkig miteinander verbundenen Teilen (26, 30, 32, 34). Der obere Rahmenteil (26) trägt einen Sattel (18), der vordere Rahmenteil (30) eine Lenkstange (16) sowie über eine Vorderradgabel (14) das Vorderrad (10). Der untere Rahmenteil (34) bildet eine auf der Hinterradachse (40) gelagerte Wippe, die einen herkömmlichen Kettentrieb trägt, dessen treibendes Kettenrad (20) über eine drehfest verbundene Kurbel (48) und ein Pleuel (52) mit dem oberen Rahmenteil (26) verbunden ist. Am unteren oder vorderen Rahmenteil sind Fussstützen (60) angebracht. Der Antrieb erfolgt durch Gewichtsverlagerung des fahrers abwechselnd auf den Sattel und die Fussstützen sowie unterstützend abwechselnd durch Schub oder Zug an der Lenkstange. Zwischen dem getriebenen Kettenrad (40) und der Hinterradnabe (72) kann wahlweise eine drehfeste Antriebsverbindung oder ein Freilauf vorgesehen sein, der wahlweise durch eine Rutschkupplung oder eine lösbare Kupplung überbrückt ist oder alternativ in Kombination mit am Pleuel angreifenden Federgliedern (90, 92) Anwendung findet, welche die Totlagen des Pleuels überwinden.
Patent EP-0001390-A1 (EP)
Inventor: ROHM ERNST
IPC: B23K9/067
Filed: 1978-08-22
Abstract: 1. A welding power source for arc welding with AC especially for welding under increased electrical risks, for example in constricted rooms, with a welding transformer (10) and a welding circuit (18) connected to the secondary circuit of that transformer where in the no-load phase of the welding circuit (18) a DC power source (17) can be introduced into the welding circuit (18) and where this DC power source (17) can be put out of the welding circuit (18) without breaking the welding current when the welding duty is started, being characterized by the DC power source (17) having a transformer (19) the no-load voltage of which is different from that of the welding transformer (10).
Patent EP-0002446-A1 (EP)
Inventor: REINER BARTHOLOMAUS
IPC: F15B11/05
Filed: 1978-11-07
Abstract: 1. An electrically controlled valve (1), in the form of a four way valve, functioning independently of the load, comprising an electrical flow measuring device (M) whose electrical output signal (48) provides the true value signal in an electric control loop for regulating the position of the control piston (5) in order to maintain the quantity of flow preset by means of an electrical set value signal, characterized in that the flow measuring device is formed by an electrical flowmeter (M) which is mounted at least in one of the connections of the valve (1) and comprises a measuring piston (44) which is displaceable as a function of the flow rate and an inlet and outlet (PIV, PIII), and the measuring piston (44) is coupled to an electrical measuring instrument (46) which delivers the true value signal.
Patent EP-0000999-A1 (EP)
Inventor: BYE ASHLEY DORMER
IPC: C07F7/00
Filed: 1978-08-14
Abstract: A titanium trichloride composition has the formula:
     where E is an ether or thioether; L is a defined ester, an amine or a ketone; and a and b are each greater than 0.001 and not more than 0.50. The composition has a low surface area, typically less than 50 m 2 /g. The composition can be prepared by reacting titanium tetrachloride with an organo-aluminium compound, optionally heating the reaction product, contacting the reaction product at an elevated temperature with at least one of E and L and washing the product subsequent to the treatment with E. In the composition, E is conveniently di-n-butyl ether or diisoamyl ether and L can be tetramethylethylenediamine; ethyl benzoate; benzophenone; glycerol monostearate; glycerol triacetate; glycerol tripalmitate; glycerol trimethacrylate; pentaerythritol tetra-acrylate or ethyl phenyl acetate. The composition can be used as a component of a catalyst for the polymerisation of olefine monomers such as propylene. Copolymers having a useful combination of properties can be obtained.
Patent EP-0003115-A1 (EP)
Inventor: HAMBERGER HELMUT DR
IPC: C07D501/20
Filed: 1979-01-08
Abstract: Penicillins and cephalosporins of formula I,
     in which R, is hydrogen or pivaloyloxymethyl,
     R 2  is phenyl, 4-hydroxyphenyl or 1,4-cyclohexadien-1-yl,   R 3  is hydrogen, lower alkyl or lower alkylthio,   R 4  and R 5 , which may be the same or different, are hydrogen, lower alkyl, hydroxy, lower alkoxy, carboxyl, lower alkoxycarbonyl, lower alkoxycarbonylmethyl, carboxymethyl or halogen,   A is the group
     in which R s  is hydrogen or lower alkyl,   B is oxygen of sulphur,   X is a group of formula IIa or IIb,
     in which R 7  is hydrogen, acetoxy or a group of formula IIc,
     and Ring D is a 5- or 6-membered, unsaturated ring,   which may contain one or more hetero atoms, and salts of compounds of formula I, in which R, is hydrogen, methods for their production and their anti-bacterial use.
Patent EP-0003534-A1 (EP)
Inventor: SCHMIDT MANFRED DR
IPC: C08G8/28
Filed: 1979-01-26
Abstract: Die Erfindung betrifft ein Verfahren zur Herstellung von borhaltigen Phenol-Formaldehydharzen durch Umsetzung von Diphenylolalkan-Novolaken mit ungesättigten Fettsäuren oder Fettsäureestern und Borverbindungen, das dadurch gekennzeichnet ist, daß man Diphenylolalkan-Novolake mit einem Molgewicht 400 bis 1600 mit 15 bis 35 Gew.-Tln einer ungesättigten Fettsäure oder deren Ester unter azeotroper Entwässerung reagieren läßt und anschließend mit 20 bis 100 Gew.-Tln eines Borsäuretrialkylesters mit 1 bis 4 C-Atomen pro Alkylkette oder mit 14 bis 72 Gew.-Teilen eines Borsäurealkylesteranhydrids der Struktur (RO) 2 B-O-B(OR) 2  mit 1 bis 4 C-Atomen pro Alkylkette R, oder mit 10 bis 50 Gew.-Teilen, vorzugsweise 15 bis 20 Gew.-Teilen, Bortrioxid oder mit 18 bis 90 Gew.-Teilen, vorzugsweise 25 bis 36 Gew.-Tln, Borsäure in Gegenwart eines Ci-C 4 -Alkohols umsetzt.
Patent EP-0003757-A1 (EP)
Inventor: ZWEIFEL HANS DR
IPC: C07D209/76
Filed: 1979-01-31
Abstract: Es werden neue tricyclische Imidylderivate, z.B. solche der Formel <IMAGE> [n=1 oder 2, Y=Brückenglied, X=funktionelle Gruppe], beschrieben. Die neuen tricyclischen Imidylderivate eignen sich zur Herstellung von unter der Einwirkung von Licht vernetzbaren Polymeren durch Einbau in bestehende Polymerketten oder durch Aufbau der Polymerkette aus definitionsgemässen tricyclischen Imidylderivaten mit geeigneten funktionellen Gruppen X durch Polymerisation oder Polykondensation. Die dadurch erhaltenen lichtvernetzbaren Polymeren können z.B. zur Herstellung von Druckplatten für das Offsetdruckverfahren und insbesondere als sogenannte Photoresist verwendet werden.
Patent EP-0011122-A1 (EP)
Inventor: HESS RUDIGER DR RER NAT
IPC: H01H1/06
Filed: 1979-10-04
Abstract: An electrical contact construction for air-blast circuit breakers, particularly blast-piston or "puffer" type breakers, which subject the arc drawn during current interruption to a compressed-gas blast as well as a magnetic-force effect which lengthens the arc. To increase the interruption capacity of such breakers, and particularly to improve arc behavior during the interruption process, a tubular member is disposed within the interior spaces of the tubular contacts of such a breaker in which the switching gases flow. The member has an inner surface which is conically shaped and is matched to the contour of openings provided in nozzle members disposed at the end faces of the tubular contacts to improve gas flow.
Patent EP-0013695-A1 (EP)
Inventor: HERGENROTHER WILLIAM LEE
IPC: C08G79/02
Filed: 1979-10-29
Abstract: Polyphosphazene polymers are prepared which contain repeating units of the formulas:
     wherein X is represented by
     wherein R, and R 2  independently are substituted or unsubstituted aliphatic, aryl, araryl, alkylaryl or heterocyclic radicals or R, and R 2  can be linked to form a cyclic radical and R 3  is an aliphatic hydrocarbon radical or hydrogen, X' is chlorine, a substituted or unsubstituted alkoxa, aryloxy, amino or mercapto substituent group or mixtures thereof which are compatible with an N-substituted amino substituent; and 20 ≤ (w+y+z) ≤ 50,000 per polymer and (y+z) > 0. 
     The polymers may be prepared by reacting a poly(di- chlorphosphazene) of formula -(NPCl 2 ) n - ; wherein n is from 20 to 50,000, with a cyclic ketal containing a hydroxy group in the presence of a tertiary amine, optionally followed by addition of an alkanol, phenol, amine, or mercaptan. 
     The polymers of the invention can be utilized in forming protective films and also in applications such as molding, coatings, foams and the like.
Patent EP-0013750-A1 (EP)
Inventor: EILINGSFELD HEINZ DR
IPC: C09B35/36
Filed: 1979-12-21
Abstract: Polyazo dyes which in the form of the free acid conform to the general formula I <IMAGE>  where    n is 0 or 1,    R<1> is a radical of the formula <IMAGE> R<2> is a radical of the formula <IMAGE> R is hydrogen, unsubstituted or hydroxyl-, C1-C4-alkoxy-, carboxyl- or cyano-substituted C1-C4-alkyl, allyl, benzyl, phenyl or tolyl,   R<3> is substituted or unsubstituted alkyl, alkenyl, aralkyl, cycloalkyl or aryl,   R<4> is hydrogen or substituted or unsubstituted alkyl or alkenyl, and    X is substituted or unsubstituted aryl, are very highly suitable for dyeing cellulose-containing material, for example cotton and paper, and also for leather.
Patent EP-0010809-A1 (EP)
Inventor: ZEILSTRA JACOBUS JOHANNES
IPC: C09G1/14
Filed: 1979-10-25
Abstract: Wax composition for entirely or partly replacing car- nabau wax or montan wax, consisting substantially of one or more acids and or derivatives thereof selected from the group comprising:
     a) esters of phenols or aromatic, aliphatic or cycloaliphatic alcohols having at least 1 to 10 primary or secondary hydroxyl groups;   b) amides of ammonia or aliphatic, cycloaliphatic or aromatic amines having at least 1 to 15 primary or secondary amino groups;   c) salts of alkali metals or alkaline earth metals, amphoteric metals, heavy metals, of ammonium or of a compound containing a tertiary amino group, at least 40 per cent by weight of the acids or derivatives thereof having a branched-chain structure and at least 10 per cent by weight thereof corresponding to the formula:
Patent EP-0009419-A1 (EP)
Inventor: LEVITT GEORGE
IPC: C07D521/00
Filed: 1979-09-26
Abstract: A compound or an agricuituraity suitable salt thereof, which has the general formula
     wherein
     R is thienyl or mono- or disubstituted phenyl;   R, and R 2  are independently H or CH 3 ;   W isOorS;   X is CH 3  or-OCH3;   Y is selected from a variety of organic and inorganic substituents; and   Z is CH or N;     
is of interest for the regulation of plant growth and as a pre-emergence or post-emergence herbicide. The compound can be made e.g. by reacting an appropriate sulfonyl isocyanate or isothiocyanate with an appropriate 2-aminopyrimidine- or 2 amino-1,3,5-triazine: The compound can be formulated for use in conventional manner and applied to the locus of vegetation to be controlled.
Patent EP-0010065-A1 (EP)
Inventor: SCHAEFER GOETZ
IPC: B62D27/06
Filed: 1979-09-28
Abstract: 1. Fastening device for hinged sides of a lorry, particularly of a lorry and its trailer, having a rotatable vertical shaft (1) and a latch lever (2) running perpendicular to the shaft (1) and fixed thereto for rotation therewith by means of a holding piece (4a), the free end portion (2a) of which lever is swivellable in behind a loop (3) secured to one side (14) of the sides (13), the vertical shaft (1) being provided at the top thereof with a holding cam (6) running perpendicular thereto, which holding cam is fixed to the shaft (1) for rotation therewith and is capable of engaging behind a vertical pin (9) secured to a centre post (8), characterized in that the vertical shaft (1) is mounted in a section piece (7) disposed between the centre post (8)  and the sides (13) and terminating the sides (13), that the holding piece (4a) is undetachably connected to a central bearing (4) of the vertical shaft (1), on the one hand, and projects out of the section piece (7), on the other hand, that the latch lever (2) is secured swingably downward in a vertical plane to the projecting part of the holding piece (4a), and that the wall of the terminal section piece (7) is axially slit to make possible the passage of the holding piece (4a) undetachably connected to the central bearing (4) of the vertical shaft (1) upon withdrawal of the vertical shaft (1) from the terminal section piece (7).
Patent EP-0014912-A1 (EP)
Inventor: BREMER FRITZ DR
IPC: C09C3/10
Filed: 1980-02-07
Abstract: Fließfähige Farbstoffpräparationen enthaltend a) mindestens einen in Wasser schwer- oder unlöslichen Farbstoff, b) mindestens einen Polyester aus Phthalsäure und einem Polyalkohol sowie gegebenenfalls einem einwertigen Alkohol mit 1-18 C-Atomen c) gegebenenfalls weitere Hilfsmittel, ein Verfahren zu ihrer Herstellung sowie deren Verwendung zum Farben von Kunststoffen, insbesondere Polyurethan-Kunststoffen.
Patent EP-0029953-A1 (EP)
Inventor: KOLLAR ERNEST PAUL
IPC: G03G15/00
Filed: 1980-11-18
Abstract: An electrophotographic copier includes a belt photoconductor (24) which passes round a drum (32). It is guided from the drum to an exposure position by a vacuum plenum (34) which also serves to tension the belt. Rollers (28) and (30) guide the belt from the plenum to the exposure position and from that position back to the drum. Apart from the exposure station, the processing stations normally positioned adjacent the drum are so positioned.
Patent EP-0019945-A1 (EP)
Inventor: BAAN DIEDERICH JAN
IPC: H01M4/68
Filed: 1980-04-11
Abstract: Process for preparing battery lead containing 100-900 ppm Ca (or < 2 % Sr) comprises adding less than . 100 ppm Mg, which prevents excessive oxidation of Ca.
Patent EP-0019364-A1 (EP)
Inventor: STANGROOM JAMES EDWARD
IPC: F15C7/00
Filed: 1980-04-17
Abstract: A hydraulic servo valve suitable for controlhng flow of a pressurised fluid in dirty and explosive environments comprises a control valve (1) actuated by a contamination-free sealed pilot circuit (22) of electroviscous fluid commanded by electroviscous valves (25-28) requiring minimal electrical power Fluid is circulated in the pilot circuit by pressure pulses derived from the pressurised fluid by means of a fluidic oscillator (11) and transmitted to the pilot circuit via flexible diaphragms (18)
Patent EP-0019456-A1 (EP)
Inventor: KAWABE YUNOSUKE
IPC: H01L21/76
Filed: 1980-05-14
Abstract: In a semiconductor device comprising at least one bipolar transistor (45) and a VIP isolating layer (43) which are formed in both an epitaxial layer (33) and a semiconductor substrate (31), an impurity-introduced region (37) having the same conductivity type as that of the semiconductor substrate (31) is formed so asto surround the V-groove (36). A buried layer (32) of the bipolartransistor comes into contact with the VIP isolating layer (39,40) to divide the impurity-intorduced region into two parts, one of which is combined with a base region (37) and the other one of which serves as a channel stopper (38).
Patent EP-0040273-A1 (EP)
Inventor: GAY MICHAEL JOHN
IPC: H03D13/00
Filed: 1980-05-20
Abstract: A phase detector suitable for use in an identification circuitry of a PAL/SECAM Television Receiver or the like for identifying the line sequence, wherein the input of the phase detector is adapted to receive the differential output signals from a frequency discriminator. The phase detector includes a differential amplifier stage (102) adapted to receive the output from the frequency discriminator, a multiplier section (104) adapted to receive switching signals and a current mirror circuit (106) coupled with the outputs of the multiplier section for producing a single-ended output at an output terminal. The differential input signals are multiplied by the switching signals to produce an output signal at the output terminal of the phase detector the sense of which is determined by the phase relationship between the differential input signals and the switching signal. The phase detector includes a rectifier section (142-152) having an input connected to the single-ended output of the differential amplifier section and a pair of outputs connected tothe inputs of the multiplier section. Error current components produced in the. amplifier section are substantially eliminated bythe addition of the rectifier section and do not appear at the output of the phase detector.
Patent EP-0038888-A1 (EP)
Inventor: CHENG JIIN-DUEY
IPC: C07D307/86
Filed: 1980-09-05
Abstract: Compounds of the formula:
     wherein R and R' are
     independently
     
     R 1  and R 2  are independently hydrogen, chlorine or various organic groups; R 3  and R 4  are independently C 1 -C 3  alkyl; and n is zero, 1 or 2, with the proviso that R and R' are different or one or both is
     exhibit pesticidal activity against arthropods and nematodes. 
     The compounds can be formulated for use in conventional manner. They can be made by reacting one equivalent of the appropriate bis (carbamyl fluoride) in turn with one equivalent each of the oximes ROH and R'OH.
Patent EP-0028931-A1 (EP)
Inventor: IMAI ICHIRO
IPC: C07C39/08
Filed: 1980-11-07
Abstract: When producing resorcinol by cleaving m-diisopropylbenzene dihydroperoxide in the presence of a water-soluble acid catalyst in a mixed solvent consisting of an aromatic hydrocarbon and acetone, treating the resulting acid cleavage product containing resorcinol with an aqueous solution of a neutral salt under acidic conditions, separating a solvent layer containing resorcinol from an aqueous layer, and recovering resorcinol from the separated solvent layer; a high yield of resorcinol can be obtained smoothly and without increasing distillation loads during separation of resorcinol from the separated solvent layer, or plugging, contamination or corrosion of the apparatus, by… (i) carrying out acid cleavage while maintaining the weight ratio of the aromatic hydrocarbon to acetone at less than 0.6:1 and after formation of the acid cleavage product but before the treatment of the cleavage product with the aqueous solution of the neutral salt, adjusting the amount of the aromatic hydrocarbon in the mixed solvent so that the weight ratio of the aromatic hydrocarbon to acetone in the product is from 0.6:1 to 1.1:1, and… (ii) selecting the acidic conditions so that the pH of the solvent layer containing resorcinol is 2.5 to 4.
Patent EP-0030431-A1 (EP)
Inventor: TABAK SAMUEL ALLEN
IPC: C07C2/12
Filed: 1980-11-28
Abstract: Linear and branched chain C 2  to C 12  olefins are selectively oligomerized by contact in the liquid phase with a ZSM-12 zeolite catalyst at a temperature of from 80°F (26°C) to 400°F (250°C).
Patent EP-0031270-A1 (EP)
Inventor: PHAM VAN CANG LUC
IPC: H03H15/00
Filed: 1980-12-05
Abstract: 1. Analog signal filtering device comprising a delay line (3) having a characteristic impedance Z and an input E, a main output So  and intermediate outputs staggered from this output So  towards the input E, and a computing device (4) connected to the outputs of the delay line, characterized in that the filtering device has its input connected to the input of a separator (2) the output of which has an internal impedance of Z and is connected to the input E of the delay line, this line being open on its end, in that the number of intermediate output taps S1  to S2n  is an even number, the delays introduced between two successive taps being equal to the delay introduced between the last output tap S2n  and the input E, and in that the computing device (4) has inputs having an infinite internal impedance and which are connected to the output So , to the outputs of odd orders S1 , S3  ... S2n-1  and to the input E, respectively, these inputs being connected to multipliers Aj  multiplying by coefficients Ko  and Kj  = (-1)**j+1/pi (2j-1), for j varying from 1 to n+1, the outputs of the multipliers being connected to an algebraic summer (41, 42, 43) having an output (5) coupled to the output of the filtering device (25).
Patent EP-0040251-A1 (EP)
Inventor: MAEDA KOH-ICHI
IPC: H03K3/356
Filed: 1980-11-06
Abstract: A semiconductor memory device composed of double gate-type field effect transistors, each of which has a control gate (25), and a floating gate (23) that stores electric charges. The semiconductor memory device requires an arrangement of reciprocal structures, namely a structure adapted to inject charges into the floating gate of the memory device, and a structure adapted to read-out the stored information. To this end, the device employs an injection-only transistor (TrW) with a structure adapted for charge-injection and a read-only transistor (TrR) with a structure adapted for reading, the floating gates (23) of both the transistors being electrically coupled to each other, the control gates (25) thereof being connected to a first common signal-wire, the drains (22W,22R) thereof being connected to second-and third- different signal-wires, respectively, and the sources (21W,21R) thereof being grounded.
Patent EP-0039001-A1 (EP)
Inventor: GRUNBEIN WOLFGANG DR
IPC: C07C17/16
Filed: 1981-04-15
Abstract: Es wird Methylchlord aus Methanol und Chlorwasserstoff in der Gasphase an einem Aluminiumoxid-Katalysator hergestellt. Die Umsetzung wird in Gegenwart von 1 bis 80 1 Sauerstoff pro kg eingesetztes Methanol durchgeführt.
Patent EP-0043605-A1 (EP)
Title: Procédé et installation de granulation de laitier
Inventor: MONTEYNE GUIDO
IPC: C21B3/08
Filed: 1981-06-12
Abstract: Le laitier en fusion est granulé en tombant dans un jet d'eau sous pression et en même temps évacué en subissant la vitesse et la pression de l'eau de granulation. Pour diminuer la consommation en eau et pour pouvoir augmenter la température de l'eau de granulation on sépare les fonctions de granulation et d'évacuation en prévoyant une chambre (18) qui est divisée en deux et comprend un compartiment supérieur (34) et un compartiment inférieur (36) séparés par une cloison longitudinale (28) et reliés à deux conduites d'admission d'eau sous pression.
Patent EP-0051901-A1 (EP)
Inventor: VERMEULEN JOHANNES WILHELMUS I
IPC: B21D53/36
Filed: 1981-11-05
Abstract: A system for manufacturing expansion bolts, in particular their shells, which comprise a plurality of generally channel-shaped segments. A continuous trip of metal having substantially the width and the channel shape of the shell segments to be produced, is subjected to cold deformation following manufacture of an intermediate product with at least locally a smaller size than the finished product, this size difference being judicially selected so as to necessitate a certain amount of cold deformation resulting in a local increase of material strength.
Patent EP-0050437-A1 (EP)
Inventor: MOORE ALBERT LLOYD
IPC: C08J7/052
Filed: 1981-10-05
Abstract: Terpolymer consisting of 12 to 48% by weight TFE units, 7 to 24% by weight HFP units and 30 to 81% by weight VF 2  units, provided that when the content of TFE units is less than 42% by weight, the content of HFP units is less than 15% by weight. Heat-stable films such as polyimide film can be coated with a coating comprising the terpolymer to provide heat-sealable film useful as wire insulation.
Patent EP-0037327-A1 (EP)
Title: Nouveaux dérivés substitués de l'acide 3-formyl 4-méthyl pentanoique, leur préparation et leur application à la préparation d'acide 3-formyl but-3-èn-1-oique substitué
Inventor: MARTEL JACQUES
IPC: C07C51/377
Filed: 1981-03-25
Abstract: L'invention concerne les composés formule <IMAGE> où Y est un reste aromatique, R2 et R3 représentent un alcoyle (1 à 4 carbones) ou, avec l'azote, forment un homocycle carboné (3 à 6 carbones), R est un alcoyle (1 à 6 carbones) ou les deux R forment une chaîne polyméthylène (2 ou 3 carbones), Z' est COOH ou Z, Z étant cyano ou CO2R1, où R1 est un alcoyle (1 à 6 carbones). L'invention concerne également la préparation des composés ci-dessus et leur application à la préparation d'acide 3-formyl but-3-èn-1-oïque substitué, intermédiaire dans la synthèse d'esters insecticides.