baber/WOPTO huggingface dataset:
Patent NO-180297-B (NO)
Inventor: SCHAEFER MICHEL
IPC: C07C231/12
Filed: 1991-08-30
Abstract: Compounds having general formula (I), wherein R is selected among 2,3-dihydroxypropyl and 1,3-dihydroxy-2-propyl groups. These compounds can be used as contrasting products for X-ray image formation.
Patent SE-318934-B (SE)
Inventor: HATFIELD J
IPC: H01R12/58
Filed: 1964-02-14
Abstract: 1,008,869. Binding posts; two-part couplings. AMP Inc. Jan. 23, 1964 [Feb. 18, 1963; July 25, 1963], No. 2892/64. Heading H2E. [Also in Division B3] An electrical connector formed from sheetmetal (see Division B3) includes a terminal part of uniform cross-section, which is formed at one end with a flared transition to a tubular mounting section of larger cross-section than the post section. The post section 22 accommodates a wire wrap 92, or clip type 94 connection. The connector may be used in assemblies where large numbers of interconnections between different circuits are required. Connectors 70 fit into an aperture in a board 10 and spring sections 78 contact plug members 98, mounted in a movable plug board. Each connector 70 includes an integral latching section 72 above a D-shaped mounting section 74 having locking tabs 77. The post section 22, which has sharp outer corners to bite into the wrapped wire connections, is preferably plated with nickel and then gold. The lower end of the contact 78 may take various forms, e.g. a spring clip for removably receiving the edge of a printed circuit board (Fig. 19, not shown), a tag for passing through a hole in a printed circuit board and soldering to the conducting tracks thereof (Fig. 20, not shown), a lug for crimping to an incoming wire (Fig. 23, not shown), a socket with opposed spring arms (Fig. 18, not shown) or a similar type of connector to post 22 (Fig. 17, not shown). Fig. 25 shows a connector formed from thicker stock, in which the post 422 is formed with a rectangular cross-section by holding the arms of a U-shaped channel member over and back on to the web of the member so that the rectangle of the cross-section has a breadth of twice the thickness of the stock used. Specifications 832,618 and 956,118 are referred to.
Patent SE-339720-B (SE)
Inventor: SCHOENUNG A
IPC: H02M7/527
Filed: 1967-03-29
Abstract: 1,183,721. Converting. BROWN, BOVERI & CO. Ltd. 29 March, 1967 [31 March, 1966], No. 14331/67. Heading H2F. [Also in Division G3] In an electrical current converter having a controllable switching unit W1, controlled by means which are responsive to an alternating output voltage UR<SP>1</SP> ist  of the unit, a reference voltage UR soll  and a triangular alternating voltage UH 1  of frequency substantially higher than that of the output voltage and reference voltage the converter includes an arrangement deriving a difference voltage from the reference voltage and the output voltage UR<SP>1</SP> ist  which is compared with the triangular voltage UH 1  so as to provide the switching unit W 1  with control signal for controlling the operation of forward and reverse controllable rectifiers in the switching unit W 1 . As shown two switching units W 1 , W 2  form an inverter circuit fed with D.C. from PN and their combined outputs being obtained at R. The output voltage UR<SP>1</SP>ist UR<SP>11</SP> ist  of each switching unit W 1 , W2 is fed back to mixers M 1 , M 2  which are also supplied with the reference voltage UR soll . The output from each mixer forms an error signal which is supplied to control units R 1 , R 2  to be compared with the triangular voltage UH 1 , UH 2 . The auxiliary voltages UH 1  and UH 2  are phase displaced by 180‹ E. A single switching unit may be used for single phase operation (Fig. 1, not shown) and three similar circuits for three phase operation (Fig. 3, not shown). The converter may be used for supplying electrical machines with voltages or currents of low harmonic content as disclosed in Specification 1,108,571, where the rectifying elements are shown as SCR's.
Patent SE-316510-B (SE)
Inventor: BANDAT K
IPC: G10L19/00
Filed: 1965-04-06
Abstract: 1,059,802. Vocoder. INTERNATIONAL BUSINESS MACHINES CORPORATION. March 29, 1965 [April 6, 1964], No. 13167/65. Heading H4R. Digital data representing time multiplexed spectrum channel signals and excitation function signals of a channel vocoder are supplied from a data processing system EDV to a commutator switch S which feeds the individual channel signals to their respective synthesis channels 1 to n, each of which contains a digital-to-analogue converter DAW and the appropriate frequency filter FS. Switch S operates to feed. one sample per channel during each excitation function period, and if this sample is applied to. the filter as an amplitude modulated pulse the usual channel modulator becomes redundant. The various channel signals are added, amplified, and reproduced by a loud-speaker. The plurality of digital to analogue converters, one in each spectrum channel, may be replaced by one in the common line to the switch S. A buffer store may also be included in the common line to the switch S, Fig. 4 (not shown).
Patent YU-48068-B (YU)
Title: Derivati aminokiselina
Inventor: HANDA B K
IPC: C07C311/18
Filed: 1989-06-12
Abstract: Derivati aminokiselina jedinjenja opšte formule u kojoj n označava nulu ili 1; R1 predstavlja alkoksikarbonil, aralkoksikarbonil, alkanoil, cikloalkilkarbonil, aralkanoil, aroil, heterociklilkarbonil, alkilsulfonil, arilsulfonil, monoaralkilkarbamoil, cinamoil ili alfa-ar-alkoksikar-bonilaminoalkanoil a R2 predstavlja vodonik ili R1 i R2 zajedno sa atomom azota za koji su pričvršćeni predstavljaju grupu cikličnog imida formule u kojoj P i Q zajedno predstavljaju aromatični sistem; R3 predstavlja alkil, cikloalkil, aril, aralkil, heterociklilalkil, cijanoalkil, alkilsulfinilalkil, karbamoilalkil ili alkoksikar-bonilalkil ili, kada n označava nulu R3 može takodje da predstavlja alkiltioalkil ili, kada n označava 1, R3 takodje može da predstavlja alkilsulfonilalkil; R4 predstavlja alkil, cikloalkil, cikloalkilalkil, aril ili aralkil; R5 predstavlja vodonik i R6 predstavlja hidroksi ili R5 i R6 zajedno predstavljaju okso; R7 i R8 zajedno predstavljaju grupu trimetilen ili tetrametilen koja je proizvoljno supstituisana sa hidroksi, alkoksi-karbonilamino ili acilamino ili u kojoj je jedna grupa -CH2- zamenjena sa -NH-, -N(alkoksikarbonil)-, -N(acil)-ili -S- ili koja nosi kon-denzovani cikloalkan, aromatični ili heteroaromatični prsten; i R9 predstavlja alkoksikarbonil, monoalkilkarbamoil, monoaralkilkarbamoil, monoarilkarbamoil ili grupu formule u kojoj R10 i R11 predstavljaju, svaki za sebe, alkil; i njihove farmaceutski prihvatljive soli koje nastaju dodavanjem kiseline. Prijava sadrži još 4 zavisna i 13 nezavisnih zahteva.
Patent YU-48644-B (YU)
Inventor: DR PEJANOVIC VJERA
Filed: 1991-11-08
Abstract: Postupak za dobijanje asimetričnih diestara 1,4-dihidro-2,6-dimetil-4-(3-nitrofenil)-3,5-piridindikarbonske kiseline, opšte formule I gde su R1 i R2 različiti i označavaju alkil ili alkoksialkil grupu, gde alkil ili alkoksi grupe označavaju linearne ili račvaste nizove sa 1 do 5 ugljenikovih atoma, nazna čen time, što estri 3-keto-2-butanske kiseline, opšte formule IV CH3COOH2-COOR2 IV reaguju sa amonijumkarbonatom u inertnom rastvaraču kao što su alkoholi, etri, acetonitril, dimetilformamid, na povišenoj temperaturi od 20-200В°C, a zatim se dodaju m-nitrobenzaldehid i estri 3-keto-2-butanske kiseline, opšte formule V CH3COCH2-COOR1 V pri čemu R1 i R2 imaju gore navedena značenja.
Patent YU-44697-B (YU)
Title: Ceramic burner of heating tube, coated by a mantle, in an industrial burner
Inventor: WOERNER T
IPC: F23J13/04
Filed: 1985-12-27
Abstract: 1. An outer radiant heating tube for an industrial burner having a ceramic flame tube (3) consisting at least partially of individual ceramic tube portions (7, 7a) which are interconnected positively at their ends and with which externally disposed rib-like or cam-like spacing members (14, 16) are associated for radial bearing against an outer tube (1) enclosing the flame tube, each of the tube portions being formed at one end as a socket (8) and having at the other end a cylindrical zone (9) fitting into such socket, characterized in that adjoining tube portions (7, 7a) are inserted into one another with clearance at the socket connecting places, and fitted with clearance on to the outside of the flame tube (3) in the zone of each of the socket connecting places is a ceramic covering ring (11) which is positively fixed to the flame tube (3) in the axial direction, extends in the axial direction over a portion of the cylindrical zone (9) of each tube portion (7, 7a) and is at least partially covered by the associated socket (8).
Patent YU-48136-B (YU)
Inventor: FAIARDI D
IPC: A61P35/00
Filed: 1990-12-17
Abstract: Morpholinyl derivatives of doxorubicin having the general formula A:   <CHEM> wherein X represents a linear or branched C1-c6 alkyl group or a benzyl group -CH2C6H5, and having (S) or (R) configuration at carbon atom C-2" of the morpholino ring, are antitumor agents.
Patent ZA-795561-B (ZA)
Title: 6-arylpyridazin-3-ones
Inventor: ORTH D
IPC: A61P3/08
Filed: 1979-10-18
Abstract: Compounds of the formula   <IMAGE>   wherein R1 is 4-biphenylyl, 4-phenoxyphenyl or 4-biphenylyl or 4-phenoxyphenyl substituted in the 4'-position by F, Cl, Br or I; R2 is H, C1-4-alkyl, hydroxy-C1-4-alkyl or pyridyl; R3 and R6 are each H or alkyl of 1-4 carbon atoms, or together are-(CH2)4-; and R4 and R5 are each H or together are a C-C bond; at least one of the radicals R2, R3 and R6 being other than hydrogen, possess valuable pharmacological properties, e.g., lower lipid levels and are anti-thrombotic.
Patent ZA-806549-B (ZA)
Title: Process for the preparation of urethanes
Inventor: FINDEISEN K
IPC: C07C271/06
Filed: 1980-10-24
Abstract: A process for the preparation of urethanes. Urethanes having the general formula R1(NHCOOR2)n are reacted with an alcohol at a temperature of 120 DEG  to 400 DEG  C. in amounts such that, for every mol of the urethane, at least one mol of the alcohol is present. R1 is a radical obtained by removing the isocyanate groups from an n-functional organic isocyanate, which isocyanate has a boiling point greater than 100 DEG  C. at atmospheric pressure. R2 is a radical obtained by removing the hydroxyl group from a monohydric alcohol which has a boiling point greater than 140 DEG  C. at atmospheric pressure.
Patent ZA-829085-B (ZA)
Title: Process for improving the filling capacity of tobacco, in particular cut tobacco leaf
Inventor: RUDOLPH GERD
IPC: A24B15/32
Filed: 1982-12-10
Abstract: The impairment of the taste of smoke, observed in processes for improving the filling capacity of tobacco by expansion of the tobacco with a vaporizable expanding agent, can be avoided if an anti-oxidant, in particular ascorbic acid, is added to the tobacco before the expansion. In addition, anti-oxidant synergists can also be added.
Patent ZA-849966-B (ZA)
Title: Method and installation for recovering the heaviest hydrocarbons from a gaseous mixture
Inventor: GAUTHIER PIERRE
IPC: C07C1/00
Filed: 1984-12-20
Abstract: PCT No. PCT/FR84/00303 Sec. 371 Date Aug. 14, 1985 Sec. 102(e) Date Aug. 14, 1985 PCT Filed Dec. 26, 1984 PCT Pub. No. WO85/03072 PCT Pub. Date Jul. 18, 1985.The gas to be treated is cooled and partly condensed in two steps (3-4, 5-6), and the condensed fractions are distilled in a column (9). A part of the condensed liquid at the top of the column is subcooled in the second exchanger 5, expanded, and vaporized in counter-current to the gas to be treated. This permits the obtainment of cooling temperatures on the order of -80 DEG  C. by means of a refrigerating unit (13, 20) operating at a temperature on the order of -30 DEG  to -40 DEG  C. Application to the recovery of a mixture of propane, butane and pentane from a petroleum refinery residual gas.
Patent ZA-862384-B (ZA)
Title: Process for quinoline-3-carboxylic acid antibacterial agents
Inventor: DOMAGALA JOHN M
IPC: C07F7/18
Filed: 1986-04-01
Abstract: An improved process for the preparation of 7-substituted amino-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acids of formulais described where an alkyl ester of a 6,7,8-trifluoro precursor is converted to a trialkylsilyl ester which fluorine at C<sub>7 </sub>is directly displaced to the desired product.
Patent ZA-863600-B (ZA)
Title: Positron emission tomography camera
IPC: G01T1/161
Filed: 1986-08-15
Abstract: A positron emission tomography camera (10) has a plurality of detector rings (14) positioned side-by-side or offset by one-half of the detector cross section around a patient area (16) to detect radiation therefrom. Each ring contains a plurality of scintillation detectors (60,62,64) which are positioned around an inner circumference with a septum ring (30,32) extending inwardly from the inner circumference along each outer edge of each ring. An additional septum ring (36) is positioned in the middle of each ring of detectors (60,62, 64) and parallel to the other septa rings (30,32) whereby the inward extent of all the septa rings may be reduced by one-half and the nllmber of detectors required in each ring is reduced.
Patent ZA-866374-B (ZA)
Title: Beer manufacturing process
Inventor: PLAINER HERMANN
IPC: C12C11/00
Filed: 1986-08-22
Abstract: A method for making beer is disclosed wherein an amyloglucosidase enzyme from a Rhizopus culture is added to a wort and, after the enzyme has acted, the enzyme is inactivated under pasteurizing conditions.
Patent ZA-874557-B (ZA)
Title: Heat strengthened glass
Inventor: WARD PETER
IPC: C03B27/044
Filed: 1987-06-24
Abstract: A method of producing heat strengthened glass (l) in which the glass (l) is heated to a temperature above its strain point and is then cooled while horizontally supported. Discontinuous support (2) is provided for the glass (l) as it is cooled by intermittent regional contact with the lower surface of the glass (l), whereby any pattern of iridescence resulting from heat transfer between the lower glass surface and the support (2) is free of prominent continuous features. A glass treatment furnace for producing heat strengthened glass (l), has horizontal glass-supporting rollers (2) and cooling-flow supply means (5,6) in the vicinity of those rollers (2), the bearing surface of each roller (2) comprising discontinuous bearing elements (8) which provide intermittent regional support contact with the lower surface of the glass (l).
Patent ZA-888142-B (ZA)
Title: Method and apparatus for separating and recovering particulate material
Inventor: CALLUT FRANCOIS J
IPC: B03B9/00
Filed: 1988-10-31
Abstract: Particulate material such as coal of a size inferior to 1 mm is recovered by being entrained in a liquid medium and being fed through an apparatus comprising a plurality of cyclone separators (104, 112, 118, 125) connected in series, the cyclone angle of the separators decreasing in the direction of flow. The cyclone angle  alpha  2 of a cyclone separator in the series is within +/- 5% of the angle calculated according to the formula <MATH> where  alpha  2 is the cyclone angle of a cyclone separator following a separator with angle  alpha  1 and O1 and O2 represent the geometric mean particle size of the cut of successive separators with these angles.
Patent ZA-888662-B (ZA)
Title: Antiperspirant compositions
Inventor: BURGER ALLAN ROBERT
IPC: A61K8/891
Filed: 1988-11-18
Abstract: An antiperspirant composition which includes an antiperspirant active, a volatile silcone fluid and Bentone SD-1 clay dispersing agents. The composition may be used in roll-on stick, aerosol and pump products.
Patent ZA-889307-B (ZA)
Title: Non-peptidic renin inhibitors
Inventor: ROSATI ROBERT LOUIS
IPC: A61P43/00
Filed: 1988-12-13
Abstract: Simple amides and derivatives thereof useful for inhibiting the angiotensinogen-cleaving action of the enzyme renin of the formula: <CHEM> wherein R1 is (C6-C8)cycloalkyl or i-propyl; R2 is (C3-C5)alkyl, phenyl, methylvinyl, dimethylvinyl, halovinyl, hydroxy(C1-C3)alkyl or amino(C1-C4)alkyl; R3 is (C1-C6)alkyl or morpholinoethyl; and Het is defined to include certain mono and bicyclic nitrogen-containing heterocyclic rings or heterocyclylalkyl groups.
Patent ZA-893553-B (ZA)
Title: Linearly displaceable,axially symmetrical pouring closure means
Inventor: DETALLE EDOUARD
IPC: B22D41/40
Filed: 1989-05-13
Abstract: PCT No. PCT/FR89/00163 Sec. 371 Date Mar. 13, 1990 Sec. 102(e) Date Mar. 13, 1990 PCT Filed Apr. 10, 1989 PCT Pub. No. WO89/10812 PCT Pub. Date Nov. 16, 1989.The invention relates to a device for pouring molten metals, such as steel. a nozzle (2), known as the inner nozzle, of refractory material; a round fixed plate (3) provided with an axial hole coinciding with the hole in the nozzle (2), and made of refractory material; a round movable plate (4) provided with a central hole having an axis (23), and made of refractory material; a nozzle (5), known as the collector nozzle, fastened to the movable plate (4), of refractory material and intended to stabilize the deflected stream. The movable plate (4) can undergo displacement (17) along a straight or any other line, in such a manner as to close the hole in the fixed plate (3) to a greater or lesser extent. The movable plate (4) is also pivotable about its axis (23). The symmetrical shape of the various refractory members relative to their apertures, through which the metal passes at high temperature, imparts to the whole arrangement optimum characteristics of expansion and resistance to thermal shocks. Finally, the pivotability of the plate (4), and also optionally of the plate (3), about their respective axes makes it possible to distribute the wear on the holes symmetrically and to reduce the amplitude of the displacements (17).
Patent ZA-937263-B (ZA)
Title: Electrically weldable, thermoplastic jointing element
Inventor: AMACHER URS
IPC: F16L47/03
Filed: 1993-09-30
Abstract: An electro-welding sleeve (A) with a heating component (3) is equipped with an input-output medium (4) for identifying pertinent production and welding data. This input-output medium works bidirectionally, and so the data generated when sleeve (A) is positioned, such as actual welding parameters, working site and ambient temperature, can be stored in the input-output medium (4) of the welding sleeve after the welding process. The sleeve can thus be unmistakably identified at any time.
Patent ZA-945284-B (ZA)
Title: Spiro compounds containing five-membered rings
Inventor: FISHER ABRAHAM
IPC: A61P25/04
Filed: 1994-07-19
Abstract: Compounds useful for treating diseases of the central or peripheral nervous system in mammals have formulae I-XIII:    <IMAGE>  I   <IMAGE>  II   <IMAGE>  III   <IMAGE>  IV   <IMAGE>  V   <IMAGE>  VI AGE>  X   <IMAGE>  XI   <IMAGE>  XII   <IMAGE>  XIII    wherein ring A or A' together with the spiro-carbon atom constitutes a bridged or unbridged ring containing one or two ring nitrogen atoms; and the other symbols have specified values,
Patent ZA-959741-B (ZA)
Title: Glass container
Inventor: WESTON TERENCE EDWARD
IPC: A61M5/30
Filed: 1995-11-16
Abstract: A cylindrical medical glass container (1) suitable for use in needleless injectors contains a liquid (4) and a piston (5) in contact with the liquid. By acting on the piston (5) with a ram, liquid (4) is highly pressurised and dispensed rapidly through a hole (3) in a container (1). To prevent the glass container from breaking during pressurisation, a comprehensive sleeve (6) is fitted to the outside of the container (1).
Patent ZA-963440-B (ZA)
Title: Synergistic nematocidal compositions.
Inventor: WARRIOR PREM
IPC: A01N57/30
Filed: 1996-04-30
Abstract: A method for suppressing plant damage by nematodes which comprises the concurrent administration, to the locus, soil or seeds of plants in need of such treatment, of (a) a metabolite of the fungus Myrothecium verrucaria and (b) a chemical pesticide, as well as synergistic nematocidal compositions useful therein.
Patent GB-2344107-B (GB)
Title: Obesity and fertility controlling gene
Inventor: ROBINSON IAIN CLIVE ANDREW FRA
IPC: A01K67/027
Filed: 1999-08-12
Granted: 2000-12-06
Abstract: The invention describes a previously unknown gene, termed 5'OT-EST, which is responsible for inducing an obesity and/or infertility phenotype in transgenic animals, and transgenic animals comprising mutants of 5'OT-EST which are useful for assaying compounds for the treatment of obesity and/or infertility.
Patent GB-2361725-B (GB)
Title: Central circulation completion system
Inventor: COLLIE GRAEME JOHN
IPC: E21B43/10
Filed: 2000-04-27
Granted: 2002-07-03
Abstract: A completion system comprises a christmas tree ( 10 ) mounted on a wellhead housing ( 11 ), a tubing hanger ( 12 ) landed in the tree or wellhead housing, the wellhead housing ( 11 ) being mounted on a casing string ( 100 ) and a tubing string ( 14 ) being suspended from the tubing hanger within the casing string; wherein, in use, the annulus defined between the tubing ( 14 ) and the casing ( 100 ) serves as a production bore. A second tubing string ( 98 ) is expanded into sealing engagement with the casing string ( 100 ) over at least a portion of their lengths. The annulus normally used to provide well service functions is thus eliminated. Well servicing is instead provided via the tubing string ( 14 ), which may be coiled tubing.
Patent GB-2375688-B (GB)
Title: Telephone apparatus and a communication method using such apparatus
Inventor: SHAHAF MARK
IPC: H04M9/08
Filed: 2001-05-14
Granted: 2004-09-29
Abstract: In accordance with a first aspect of the present invention there is provided a telephone apparatus including a transmitter portion and a receiver portion, an input transducer for converting input audio signals into electrical signals, a connectable input link between the input transducer and the transmitter portion to deliver when connected an input electrical signal to the transmitter portion to be transmitted by the transmitter portion, an output transducer for converting an output electrical signal into an audio signal and a connectable output link between the receiver portion and the output transducer for delivering when connected an output signal to the output transducer, optionally an echo cancellation circuitry portion adapted to sample the output signal and produce an echo replica signal, optionally a mixer included in the input link for mixing an echo replica signal produced by the echo cancellation circuit with an input signal produced by the input transducer, and an echo suppression circuitry portion including detector means for producing a first magnitude signal which represents a magnitude property of a first sample of an output signal S<SUB>o </SUB>in the output link and a second magnitude signal which represents a magnitude property of a second sample of an input electrical signal S<SUB>i </SUB>in the input link between the mixer and the transmitter portion, an analyzer, connected to receive inputs comprising the first and second magnitude signals from the detector means, for measuring a relationship between the first and second magnitude signals and for producing a control signal when the relationship exceeds a threshold, wherein the detector means is operable periodically to analyse characteristics of the signal S<SUB>o </SUB>to estimate the amount of background noise in the signal S<SUB>o </SUB>and to pass as an input to the analyzer a signal representing the estimated amount of backgroudn noise wherein the threshold above which the analyzer produces an output control signal is set adaptively by the analyzer dependent on the estimated background noise.
Patent GB-2404072-B (GB)
Title: Foam support for mobile electronic device display
Inventor: CHEN CHAO
IPC: H04M1/724
Filed: 2003-07-15
Granted: 2006-08-30
Abstract: A foam support (10) for use between a mobile electronic device display (62) and a mobile electronic device frame (30) having side edges (34) for housing the display is provided. The foam support comprises a base (12) and side tabs (16) located around a perimeter of the base and configured to be folded into a position substantially perpendicular to the base and affixed to the side edges of the frame.