baber/WOPTO huggingface dataset:
Patent EP-0126959-B1 (EP)
IPC: C08B11/193
Filed: 1984-04-19
Granted: 1988-03-09
Abstract: The process for preparing mixed cellulose ethers proceeds in the following steps: (a) alkalizing of the cellulose, (b) etherifying of the alkali cellulose in the presence of a base by using at least one etherifying agent which requires, for the reaction with cellulose, a catalytic and sub-stoichiometric quantity of a base, and (c) increasing the quantity of base, and (d) etherifying the cellulose ether so prepared by using at least one etherifying agent which requires, for the reaction with cellulose, an at least stoichiometric quantity of a base or a catalytic and substoichiometric quantity of a base, increased over the quantity used in (a), with at least one inert organic solvent being used as a dispersing auxiliary in at least one of the steps and water being present in all steps, wherein mixed etherification leads to a water-soluble product and dimethoxyethane, an alkanol, an alkanediol and/or an alkoxyalkanol are used as the organic solvents. The process serves, in particular, for the preparation of methyl-hydroxyethyl cellulose or methyl-hydroxypropyl cellulose.
Patent EP-0127769-B1 (EP)
IPC: C12M1/00
Filed: 1984-05-02
Granted: 1986-09-24
Abstract: 1. A plant with gas containers made of synthetic tarpaulin for the progressive (aerobic and anaerobic) fermentation of animal manure and or agricultural and/or the food industry by-products, comprising a feeder of biological liquid manure with which a preheat-boiler, pumps as well as material transport devices with compressor are associated, wherein the feeder of biological liquid manure is connected with the fermentation vessels which in turn are connected via a pipe to a dry gas container, the plant also including biological manure storage stacks, characterised in that the apparatus is equipped with gas-tight synthetic tarpaulins for aerobic processes ; and that there is provided at least one fermentation vessel (2) surrounded by a water-lock (2.1) ; that the lower part of the fermentation vessel (2) is formed by a lower synthetic tarpaulin (2.5), by a middle synthetic tarpaulin (2.6) and a perforated upper synthetic tarpaulin (2.7) ; that an air blower device is arranged between the middle synthetic tarpaulin (2.6) and the lower synthetic tarpaulin (2.5) for ejecting manure lying on the upper synthetic tarpaulin (2.7) ; that an air supply pipe for the aerobic treatment of the manure is installed between the upper perforated tarpaulin (2.7) and the middle synthetic tarpaulin (2.6) ; that there is provided a lid forming the upper foil covering of the fermentation vessel (2) in the form of a synthetic tarpaulin lid (2.8) which is fixed on one side and on the other three sides is openable and closable, expediently by way of eyelets (2.4), and that a winch (2.11) is provided as the raising device for the openable and closable sides of the synthetic tarpaulin lid (2.8).
Patent EP-0129135-B1 (EP)
IPC: C03B37/16
Filed: 1984-06-04
Granted: 1988-09-28
Abstract: A method and apparatus for cutting light waveguides by clamping the waveguides into clamping devices, stressing the clamped waveguides and then notching the stressed waveguides to initiate the cutting operation. The method and apparatus include an actuation element which opens the two clamping devices, releases the tensioning device and withdraws the notching device in a particular sequence and on release of the actuation element first allows the clamping devices to grip the waveguide, then has the tensioning device pivot one of the clamping devices to apply an axial tension on the waveguide and subsequently allows the notching device to notch the waveguide to initiate the cutting operation.
Patent EP-0133325-B1 (EP)
IPC: F16D3/18
Filed: 1984-08-06
Granted: 1986-11-12
Abstract: Between two axial force transmission coupling pairs (22, 24) having each a ball socket (22) and a spherical segment (24) housed herein, there is arranged a pair of torque transmission couplings (26, 28) comprised of an inner toothed ring (26) and of an outer curved toothing (28). Both coupling pairs (22, 24; 26, 28) are enclosed within a housing (20) having cavities (40, 42, 44) filled at least partially with a liquid lubricant. Between the torque transmission coupling pair (26, 28) and each of the two axial force transmission coupling pairs (22, 24) there is provided an additional ring-shaped lubricant chamber (46) of which the inner diameter (D1) is at the most as large as the diameter (D2) of the smallest circle starting from the spherical segment (24). Thereby, the lubrication of the axial force transmission coupling pairs (22, 24) is improved.
Patent EP-0143973-B1 (EP)
IPC: C07D317/26
Filed: 1984-10-24
Granted: 1988-03-02
Abstract: A method of producing (S-glyceraldehyde acetonide, which comprises reacting 3,4-0-isopropylidene-L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition, a method of producing (S)-glyceraldehyde acetonide, which comprises reacting 5,6-O-isopropylidene-L-ascorbic acid or a salt thereof with an oxidizing agent to produce 3,4-0-isopropylidene-L-threonic acid or a salt thereof and then reacting 3,4-0-isopropylidene-L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition, and a method of producing (S)-glyceraldehyde acetonide, which comprises (1) reacting L-ascorbic acid or a salt thereof with acetone or a conventional equivalent thereof to produce 5,6-0-isopropylidene-L-ascorbic acid or a salt thereof; (2) reacting 5,6-O-isopropylidene-L-ascorbic acid or a salt thereof with an oxidizing agent to produce 3,4-0-isopropylidene-L-threonic acid or a salt thereof; and (3) reacting 3,4-0-isopropylidene-L-threonic acid or a salt thereof with hypochlorite ion or hypochlorous acid under an acid condition.
Patent EP-0149848-B1 (EP)
IPC: E01C23/06
Filed: 1984-12-27
Granted: 1990-07-18
Abstract: The invention concerns a process for the hot regeneration and recycling in situ of worn road pavings, of the type wherein the surface layer of said pavings is heated and then scarified down to a maximum depth of 4 cm, and the removed material is subsequently mixed with asphaltic concrete, integrated with the addition of aggregates, mixed again by means of mixers, levelled by moving rakes, compressed by a tamping bar and finally tamped by rolling, characterized in that the addition of aggregates is carried out at the end of the heating phase and before the scarifying operation, and in that said scarifying operation is carried out by means of rotary tools and the edges are trimmed by two vertical cutters. The invention also concerns a plant allowing to carry out said process by means of a plurality of self-propelled machines.
Patent EP-0120611-B1 (EP)
IPC: G11B23/04
Filed: 1984-02-27
Granted: 1990-01-17
Abstract: A tape cassette having a body and two reels rotatable with respect to the body, one of the reels having a roller clutch between it and the body, the roller clutch having rollers, a ring extending around the rollers, and a roller cage, the rollers being contained in channels with a ramp surface formed in the roller cage, the rollers having a wedging surface adapted to wedge between the ramp surface and a ring to prevent rotation of the reel in one direction but permit rotation in the other direction, the rollers being adjustable to removed them from operative relation with the ring whereby to free the reel for rotation in either direction.
Patent EP-0130917-B1 (EP)
IPC: C01B33/08
Filed: 1984-06-29
Granted: 1986-10-29
Abstract: Phosphoric acid is produced, with concomitant recovery of solids comprising compounds of fluorine and silica, by (i) acidulating a first amount of phosphate ore with a strong acid to produce a first phosphoric acid slurry, (ii) filtering said first slurry to separate the liquid phosphoric acid content therefrom, (iii) concentrating a fraction of the phosphoric acid thus separated, (iv) recovering same, and (v) condensing the evolved vapors of concentration with a liquid absorbent to produce a solution of fluosilicic acid, (vi) acidulating a second amount of phosphate ore with said solution of fluosilicic acid together with a fraction of said first slurry, or together with a fraction of the phosphoric acid separated in the step (ii), to produce a second phosphoric acid slurry, (vii) filtering said second slurry to separate both the liquid phosphoric acid content and a solids fraction therefrom, said solids fraction comprising fluorine and silica compounds, (viiia) recycling the phosphoric acid thus separated from said second slurry to the step (i), or (viiib) combining same with the fraction of separated phosphoric acid to be downstream concentrated in the step (iii).
Patent EP-0128961-B1 (EP)
IPC: H02K21/14
Filed: 1983-12-21
Granted: 1987-11-11
Abstract: A synchronous motor comprises a stator (41) provided with a number of armature windings corresponding to the number of phases o/ of a power source, and S slots (42) housing the armature windings; and a rotor (31) provided with the same number of field poles (32) as poles P of the rotor (31), and magnets (33) for exciting the field poles (32). When the number of slots per pole and phase, S/Po/, is expressed by an irreducible fraction m/n, the circumferential length (W) of the part of each of the field poles (32) facing the slots (42) of the stator (41) is selected to be an integral multiple of 1/n of the pitch (L) of the slots (42) of the stator (41), to reduce the amount of slot ripple and speed irregularities when the motor is lightly loaded when used as a servo motor.
Patent EP-0169210-B1 (EP)
IPC: H03K19/086
Filed: 1984-10-22
Granted: 1991-10-16
Abstract: A dynamic ECL circuit (Figs. 2-5) which drives loads (17, 18) having significant capacitance. The dynamic ECL circuit may utilize single level (Figs. 2-4) or multiple level logic (Fig. 5) and may be configured, for example, as an OR/NOR gate. A capacitor (C1, C2) is placed between the base of a current source transistor (10, 11) and a circuit point having a logic level complementary to the output (30, 31) connected to the current source. As logic transitions occur within the circuit and are presented on the output, a transient current will be experienced through the capacitor due to the shift in the complementary level thereby momentarily alterning the voltage on the base of the current source transistor. The dynamic alteration of base voltage produces a momentary change in the current through the current source transistor which serves to both speed up the high-to-low transition time and the low-to-high transition time on the output line.
Patent EP-0188695-B1 (EP)
IPC: H01H61/02
Filed: 1985-11-21
Granted: 1988-09-07
Abstract: 1. A board as a circuit carrier comprising : - at least one film-like conductor path (B), thus e. g. a thin-film conductor path (B) and/or thick-film conductor path (B) and/or etched conductor path (8) on a disc-shaped substrate (S) ; - a heating resistor (H) which is heated in accordance with a current load, and which for example is in the form of a film, which can be arranged as a thick-film resistor (H) on the substrate surface (S) for example ; - an electrically insulating, e. g. film-like cover (D), which at least to some extent is a good thermal conductor, on the heating resistor (H) ; and - an electric fuse (A) which is arranged on the cover (D), is separated from the heating resistor (H) by the cover (D), responds to excess temperatures, is provided with a good thermal contact, and which contains a theoretical interruption point (A) for the interruption of the conductor path (B) into which the theoretical interruption point (A) is introduced in the longitudinal direction, in particular for subscriber terminal carrier boards ; characterised in that - the heating resistor (H) is supplied by an amplifier (V) ; and - the amplifier (V) is controlled by a sensor (SS) which measures the electrical, thermal, optical, acoustic and/or mechanical load of a conductor path (B) or a component (R) of the board.
Patent EP-0191370-B1 (EP)
Title: Air intake for a carburetor
IPC: F02M21/04
Filed: 1986-01-30
Granted: 1988-11-17
Abstract: 1. Gas admixing nozzle for carburettors of combustion engines, with a ring conduit (16) lying approximately in the intake plane (17) and discharging in the carburettor, for the selective supply of gaseous fuels instead of the liquid fuel, the ring conduit (16) being arranged concentrically to an opening (2), which can be sealed by means of a throttling device operated by the intake vacuum in the higher speed range, characterized in that a covering disk (1), featuring the opening (2) sealed by the throttling device, is arranged with an axial spacing in front of the intake plane (17) and essentially parallel to same, and that an annular gap (24) of adequate size for the intake of air in the lower speed range is provided in the direction of flow in speed range is provided in the direction of flow in front of the ring conduit between the latter and the opening (2), and that the disk (1) extends from the ring conduit (16) with an axial nozzle (13) of a smaller diameter than a subsequent air intake nozzle (14) into the latter up to immediately in front of the gas outlet (15).
Patent EP-0204149-B1 (EP)
IPC: B01F27/91
Filed: 1986-04-30
Granted: 1989-09-06
Abstract: An agitator of impeller shape includes an agitator hub with a plurality of radially extending arms for attachment to a drive shaft for the mixing of substances in vessels, such as substances that tend to material build-up, incrustation and/or incipient polymerization. The hub is totally closed by welding a cap over the end of the hub. At least one of the agitator arms is formed of two components, a shorter stub arm attached to the hub and longer main arm. Both components are formed of a pair of parallel, spaced apart tubes connected by a pair of webs. Each tube includes a bushing for retaining a centering bolt to attach the main portion to the stub portion. The two components are then welded together and polished to remove any gaps and sharp edges.
Patent EP-0218193-B1 (EP)
IPC: H01L27/14
Filed: 1986-10-02
Granted: 1992-05-13
Abstract: A process for producing a relatively large-area, lightweight array of thin film photovoltaic cells includes depositing a semiconductor alloy film, such as amorphous silicon, onto a surrogate substrate, affixing a support material to the deposited film and separating the film and support material from the surrogate substrate.
Patent EP-0223105-B1 (EP)
IPC: C09D7/63
Filed: 1986-10-24
Granted: 1990-03-14
Abstract: Plasters, renders, masonry paints, interior paints and glazes which contain from 0.5 to 10% by weight of a distearyldiketene emulsion consisting of (a) from 3 to 40 parts by weight of distearyldiketene, (b) from 10 to 70 parts by weight of a solvent, (c) from 5 to 50 parts by weight of water and (d) from 0.5 to 5 parts by weight of emulsifier have particularly advantageous properties.
Patent EP-0189320-B1 (EP)
IPC: A61N1/365
Filed: 1986-01-22
Granted: 1992-12-16
Abstract: There is disclosed a tachycardia control pacer in which there is generated a sequence of pacing pulses at intervals which are a function of the effective refractory period intrinsically associated with the rate of the patient heartbeats. If the tachycardia episode is nottherminated, another sequence of pulses is generated; however, the rate of the new sequence is decreased if at least one unevoked heartbeat was sensed during the preceding pacing pulse sequence and the rate is increased in the absence of any unevoked heartbeat having been sensed during the preceding pacing pulses sequence. Also, in order to smooth the transition between the fast pulses used to terminate the tachycardia episode and subsequent beating in sinus rhythm, pacing pulses continue to be generated at increasing pacing intervals until they merge into standby pacing.
Patent EP-0196996-B1 (EP)
IPC: A44C5/10
Filed: 1986-02-12
Granted: 1988-09-07
Abstract: 1. Articulated bracelet with links, composed of a set of inner elements articulated to one another and a set of outer elements each of which encloses an inner element, the width of the outer element corresponding, with a slight clearance, to the distance between the axes of articulation of the inner element, characterized in that the outer element (10, 12) consists of two parts, namely a part in the shape of a bridge (26) and an ornamental flat part (30), in that the part in the form of a bridge (26) is welded to the latter in order to form the outer element in the form of a tunnel, and in that the inner element (14) is joined by pins (20) to the adjacent inner elements, the part in the form of a bridge (26) of the outer element having a horizontal interior surface which is slightly arched and intended to be accommodated in a corresponding recess (24) of the inner element, or vice versa.
Patent EP-0231864-B1 (EP)
IPC: C22C38/14
Filed: 1987-01-27
Granted: 1991-10-02
Abstract: A cold-rolled strip steel is used, which has a chemical composition of  0.015 to 0.040% C  max.     0.20% Si  max.     0.40% Mn  max.     0.030% P  0.02 to 0.05% S  max.     0.1% Al  max.     0.01% N and a titanium content of <IMAGE> to 0.4% for complete binding of the elements nitrogen, sulphur and carbon present in the molten steel, the remainder being iron and impurities resulting from the smelting and, in the annealed, undressed state has a yield strength of less than 150 N/mm<2>, a coefficient of perpendicular anisotropy (rm) of more than 1.7, an elongation at break (A80) of more than 38% and a mean solidification exponent (nm) of more than 0.22, as the material for non-ageing sheets having excellent cold formability. <IMAGE>
Patent EP-0235700-B1 (EP)
IPC: B41M1/20
Filed: 1987-02-20
Granted: 1991-12-11
Abstract: A method and apparatus for reproducing an image and transferring same onto an end-use support. A positive electrolytically inert electrode is provided in the form of an endless elongated belt(34) moving at substantially constant speed along a closed horizontal path and having an electrode active surface (32) extending vertically. A plurality of negative electrolytically inert electrodes (68) which are electrically insulated from one another are arranged side-by-side in rectilinear alignment to define a series of corresponding electrode active surfaces (70) disposed transversely of the belt (34) and spaced from the positive electrode active surface (32) thereof by a constant predetermined electrode gap (72). The electrode gap (72) is filled with a substantially liquid colloidal dispersion containing an electrolytically coagulable colloid, a liquid dispersing medium and a soluble electrolyte and having a substantially constant temperature. Selected ones of the negative electrodes (68) are electrically energized to cause point-by-point selective coagulation and adherence of the colloid onto the positive electrode active surface (32) of the belt (34) opposite the electrode active surface (70) of the energized negative electrodes while the belt is moving, thereby forming a series of corresponding dots of coagulated colloid representative of a desired image. Any remaining non-coagulated colloid is then removed from the positive electrode active surface (32). The colloid is treated either before or after the coagulation thereof with a coloring agent to obtain dots of colored, coagulated colloid which are thereafter contacted with an end-use support (22) to cause transfer of the coloring agent onto the end-use support (22) and thereby imprint the end-use support with the image.
Patent EP-0268842-B1 (EP)
IPC: H04L27/00
Filed: 1987-10-23
Granted: 1992-01-22
Abstract: An adaptive frequency range equalizer for digital radio relay systems which require adaptive frequency range equalizers which have coefficients that are adjustable. That are different possibilities for setting the coefficients of the transversal filter in such equalizers in a manner such that the transmission function of the transversal filter is either of the minimum phase type (mp), or the linear phase type (lp) or the non-minimum phase type (mnp). The invention discloses a method and apparatus for obtaining either of the three transmission functions for the transversal filter.
Patent EP-0270937-B1 (EP)
IPC: G01N33/546
Filed: 1987-11-26
Granted: 1992-09-23
Abstract: An immobilized hapten reagent for use in a specific binding assay for the determination of a hapten or binding analog thereof in a liquid test sample and methods for preparing and using the immobilized hapten reagent. The immobilized hapten reagent comprises a hapten moiety covalently linked substantially only to the external surface of a polyacrylamide gel particle . The immobilized hapten reagent is prepared by forming a reaction mixture comprising the hapten moiety and the carrier material in a nonswelling solvent wherein the gel particle is substantially impervious to the hapten moiety and wherein an analytically insignificant amount of the hapten moiety is nonspecifically bound to the gel particle. The immobilized hapten reagent is characterized by being substantially stable in aqueous solutions and exhibits an insignificant amount of leakage of the hapten moiety into a liquid test medium.
Patent EP-0231040-B1 (EP)
IPC: A61K9/50
Filed: 1987-01-14
Granted: 1991-04-10
Abstract: The invention relates to a pharmaceutical preparation for obtaining a highly viscose hydrogel or highly viscose suspension which is suitable to be introduced by means of an injection syringe into body cavities, and which hydrogel or suspension contains at least a drug, a polymer which is insoluble or sparingly soluble in water but has the capability of swelling in water and a watersoluble thickening agent in a relatively low quantity.
Patent EP-0253662-B1 (EP)
IPC: A61K31/54
Filed: 1987-07-16
Granted: 1990-11-14
Abstract: An aqueous solution containing a bacterially effective concentration of taurolidine and/or taurultam together with a parenterally acceptable polyol. The aqueous solution is particularly suitable for parenteral administration.
Patent EP-0279102-B1 (EP)
Inventor: KETCHAM THOMAS DALE
IPC: C04B35/49
Filed: 1987-09-03
Granted: 1993-10-20
Abstract: Disclosed is the production of ceramic compositions consisting essentially of Zr02, titania, and yttria or rare earth oxides such as gadolina, ytterbia, neodinia, and ceria. Mole % concentration values as low as .25 mole % for yttria in the titania-zirconia body have been found to provide a hard and tough ceramic material. These compositions have been found to produce effective hard and tough ceramic bodies when mixed with refractory fibers and/or whiskers or hard refractory ceramics.
Patent EP-0266925-B1 (EP)
IPC: H01Q21/00
Filed: 1987-10-14
Granted: 1992-04-29
Abstract: An antenna has a resonant cavity 2 defined by electrically conducting plates 3, 4 and a sidewall 5, and has sixteen helical antenna elements 6 each with five turns in the helical section and a probe 7 at the opposite end, the stem of probe 7 passing through an aperture in upper plate 3 so that its end 6 is within the resonant cavity 2 common to all elements 6 in that module. Cavity 2 has a cross-section parallel to the plates 3, 4 essentially square in shape except for the presence of four inwardly-protruding buttresses 8, one situated mid-way along each side of the cavity to promote the formation of standing waves of different mode, and thereby enhance the frequency range of the array 1.