baber/WOPTO huggingface dataset:
Patent GB-1438889-A (GB)
Title: 7alpha-methylester-4-ene-3a,17beta-diol and derivatives thereof
IPC: C07J1/00
Filed: 1974-10-31
Abstract: 1438889 7-Methyl steroids RICHARDSONMERRELL Inc 31 Oct 1974 [1 Nov 1973] 47266/74 Heading C2U The invention comprises compounds of formula (wherein R and R<SP>1</SP> are each H, C 1 -C 12  acyl, C 5 -C 8  1-cycloalkenyl, 1-(methoxy or ethoxy)- C 5 -C 8 -cycloalkyl, 2-tetrahydropyranyl, or tri- (C 1 -C 4  alkyl)silyl (the alkyl groups being the same or different)); and their preparation from the corresponding 3-ones by reduction with a sterically hindered lithium trialkylborohydride, hydrolysis of the thus-obtained steroidal borane (not isolated), separation from 3#-ol epimeric by-products by fractional crystallization, and optional esterification/etherification/hydrolysis at positions 3 and 17. 7α - Methylester - 4 - ene - 3#,17# - diol is obtained as a by-product of the above process (Ex. 5). 7α - Methyl - 17# - (2 - tetrahydropyranyloxy)- ester - 4 - en - 3 - one is prepared from 7α-methyl- 17 # - acetoxyestr - 5 - en - 3 - one (II) via 7α- methyl - 17# - acetoxyestr - 4 - en - 3 - one and 7 α - methyl - 17# - hydroxyestr - 4 - en - 3 - one. Compound II and antecedents thereof are prepared as described in Specification 1,435,478. Compounds I are credited with anti-fertility, anti-progestational and contranidative properties, and may be made up with carriers into pharmaceutical compositions for oral, parenteral, rectal and vaginal administration.
Patent GB-1116711-A (GB)
Title: Improvements in or relating to character recognition systems and apparatus
Inventor: CLOWES MAXWELL BERNARD
IPC: G06V10/20
Filed: 1963-11-29
Abstract: 1,116,711. Character recognition. NATIONAL RESEARCH DEVELOPMENT CORPORATION. 27 Nov., 1964 [29 Nov., 1963], No. 47289/63. Heading G4R. Features of characters to be recognized are determined by auto-correlation of the character with two displaced images of itself and the character is identified by determining the presence of a combination of a selected number of these features. In a purely optical arrangement (Fig. 4, not shown) light (12) transmitted through the character (10) is reflected on either side by angled half-silvered mirrors (16, 17) and brought to a focus on a photographic plate (21). Several such plates representing different features according to the angles of the mirrors are displaced in the path of further light beam and the resultant image identifies the character (Fig. 5, not shown). In an electro-optical arrangement (Fig. 6) an image of the character is projected on to the cathode 40 of an electron optical image storage tube 41 and stored on several plates 42, 43, 44, 45 within the tube, whereby an electron beam 77 projected through the tube with its path deflected by solenoids 46, 47, 48 on either side thereof produces an output image 50 representative of a feature of the character. These features are stored in discrete positions on planes 55, 56, 57, 58, 59 in a second tube 54 whereby the deflected path of a further electron beam 78 produces images 66 representative of combinations of such features. The several images 66 are similarly stored in discrete positions on a plate 71 of a third tube 70 and the positions detected by photo-cells PCα... PC# with output lines 83 giving a response if the signal is above a prescribed threshold level. In an analogue electric arrangement (Fig. 7, not shown) the character (10) is scanned by a cathode-ray tube (84) and the resultant light received by a photo-cell (87) and stored in three delay lines (90, 91, 92) representing three separate scans. Selected points of the delay lines are gated (GA1 ... GAn) to produce outputs representative of features of the characters and stored in further delay lines (DLF1 ... DLFn). Outputs from these delay lines (DLF1 ... DLFn) are gated (GB1 ... GBn) to indicate combinations of features representative of the individual characters. A similar arrangement using shift registers, magnetic drums or magnetic core matrices may be used for binary signals derived from the photo-cell (87). Reference has been directed by the Comptroller to Specification 981,431.
Patent GB-1406994-A (GB)
Title: Indicator drive for automatic rotator
IPC: G05D3/12
Filed: 1971-10-11
Abstract: 1406994 Follow-up systems RCA CORPORATION 3 Oct 1972 [11 Oct 1971] 47310/71 Heading G1N In an arrangement wherein the angular position of a television aerial is controlled from the set, and an indication is given at the set of the afore-said position, two electric motors are provided. As shown the local control unit comprises a pair of overlying discs 53, 54, the lower one 54 being rotatable by a control knob 81. When these discs are properly aligned a protrusion 84 causes a main switch 27 to be opened. At all other times this switch is closed, providing current supply to the primary winding of a transformer whose secondary winding 25 feeds an A.C. motor to drive an aerial shaft 35. When the two discs 53, 54 are aligned a blade 44a is held in a mid-position. If however the lower disc 54 is rotated by rotation of knob 81, then contact 44a is brought into engagement with contact 41a or 42a to cause either clockwise or counter-clockwise rotation of motor 32, and hence of aerial shaft 35. Every 6 degrees of the rotation of shaft 35 causes a blip 45a to close contacts 48a 49a. Such closure provides initial energization of a D.C. motor 51, which will be rotated in one or other direction depending on which of contacts 66a or 64a are closed, this in turn being dependent on the direction that the control knob 8 1 has been rotated. Drive by the motor 51 causes rotation of the cam member 55 and, through a gearing system, the upper disc 53. The disc 53 therefore tends to follow the lower disc 54 set by the knob 81, and this position is indicated. When the two discs 53, 54 are in alignment, the main supply at switch 27 is broken.
Patent GB-1206062-A (GB)
Title: Deoxidation method
IPC: C21C7/06
Filed: 1968-10-07
Abstract: 1,206,062. Deoxidation of steel. NIPPON KOKAN K.K. Oct.7, 1968 [Oct. 18, 1967], No.47354/68. Heading C7D. Molten steel is deoxidized by blowing Ca or Cacontaining material (e.g. alloy) suspended in a gas stream into the lower part of a molten steel bath after or during preliminary deoxidation of said bath. Preliminary deoxidation may be effected with Al, Si, Ti, Mg, Na or K. The amount of Ca added is suitably 0À05% of the weight of the steel. Suitable gases are N2 and Ar, and the additives may be blown into the melt through a refractorysurrounded tube which passes through the bath surface to the lower part of the bath. Deoxidation may be effected in a ladle, converter, mould, open hearth or electric furnace.
Patent GB-960559-A (GB)
Title: Safety arrangement for a fuel system
Inventor: GARRETT JOHN CLIFFORD
IPC: F02C7/25
Filed: 1962-12-18
Abstract: 960,559. Fuel system safety devices. GARRETT CORPORATION. Dec. 18, 1962, No. 47765/62. Heading A5A. [Also in Division F1] A safety arrangement for all or part of a fuel system, e.g. a system incorporating an engine or combustor supplied with combustible fuel from a fuel store, comprises a casing to enclose all or part of the system and to receive and fuel leakage, a reservoir of inert gas under pressure which communicates with the casing via an inlet valve which is opened to admit inert gas when a predetermined pressure drop occurs in the casing, and an outlet valve between the easing and means independant of the fuel system for burning the leakage, the outlet valve being opened by a predetermined pressure rise in the casing due to fuel leakage. In the embodiment shown in Figs. 1 and 2, a gas turbine engine 2, liquid hydrogen fuel tank 4 and associated feed means 3, 5 and 6 are contained within the casing 1 filled with helium gas fed from the reservoir 10 via the pressureresponsive valve 12. A conduit 13 connects the casing to the exhaust system of the turbine 8 via a pressure-responsive valve 16, the inert gas/fuel leakage mixture passing to the turbine exhaust system where it is ignited either by contact with the exhaust gases or, if the engine is not operating, by the pilot burner 17 (operated from the fuel system).
Patent GB-1067393-A (GB)
Title: Improvements in and relating to formwork
Inventor: TOOLEY JACK RAYMOND
IPC: E04G9/02
Filed: 1962-12-19
Abstract: 1,067,393. Formwork panels. ACROW (ENGINEERS) Ltd. Dec. 4, 1963 [Dec. 19, 1962], No. 48046/62. Heading EIS. A rectangular formwork panel having an inwardly extending flange 4, Fig. 5 to support the wooden &c. panel member 5 has adjacent each corner a bracket 6 with holes or slots 8 adapted to engage pins 28 in supporting beams 30 when erecting a formwork for casting a ceiling. The pins 28 also engage the heads of props 20. These panels can also be used for wall formwork by connecting juxtaposed panels by keys 40, Fig. 8 in slots 15 secured by wedges 44 engaging slots 46, the key also passing through slots 60 in ties 58 engaging grooves 14 in the panels of the two opposed series of panels for both sides of the wall. Horizontal and vertical aligning tubes are clamped to the back of the panels by means of slots 16 in the panel frames. Four panels may be connected by angel members having slots such as 15 to make column formwork.
Patent GB-1358654-A (GB)
Title: Photographic cameras
IPC: G03B7/083
Filed: 1972-10-19
Abstract: 1358654 Exposure control circuit EASTMAN KODAK CO 19 Oct 1972 [20 Oct 1971] 48266/72 Heading G2A On depressing a camera release (not shown), switches 28 and 42 are changed over whereby a capacitor 41 starts to charge via a resistor 47 and simultaneously a transistor 11 conducts to energize an electromagnet 13 which attracts an armature 18a to open the shutter 18. When the voltage Vs on capacitor 41 exceeds the voltage V1 controlled by a photo-cell 27, a transistor 12 conducts to switch off transistor 11 and energize a shutter closing electromagnet 14.
Patent GB-1081016-A (GB)
Title: Method and apparatus for testing shaped bodies treated with hydrogen-containing substances
IPC: G01N23/09
Filed: 1964-11-27
Abstract: 1,081,016. Testing using neutrons. VEITSCHER MAGNESITWERKE-ACTIENGESELLSCHAFT. Nov. 27, 1964 [Dec. 2, 1963], No. 48387/64. Heading G1A. In order to test the distribution of a hydrocarbon containing substance in a body treated therewith use is made of the fact that the scattering cross-section of hydrogen for thermal neutrons is considerably higher than that of other substances expected to be present. It is proposed to conduct the test by passing thermal neutrons through the body and counting the unscattered neutrons reaching a detector on the opposite side. As described the apparatus is for checking the impregnation of refractory bricks by a tarry substance. The bricks 2 are moved by a conveyer 10 to a test position at which radiation from a source 4, preferably of plutoniumberyllium, in a screening block 5 and thermalized by a paraffin layer 6 is directed on to them by a collimator 1 formed from cadmium sheet. Neutrons passing through the brick are received by a counter tube detector 3 mounted in a second screening block 7 after passage through a second collimating tube 8. Measurement may be carried out continuously or, otherwise.
Patent GB-1460028-A (GB)
Title: Process for producing 3,5-cyclic adenylic acid
IPC: C12P19/32
Filed: 1973-10-15
Abstract: 1460028 Producing 3<SP>1</SP>,5<SP>1</SP>-cyclic adenylic acid by fermentation KIKKOMAN SHOYU CO Ltd 15 Oct 1973 [16 Oct 1972 23 Feb 1973] 48515/73 Heading C2P 3<SP>1</SP>,5<SP>1</SP>-Cyclic adenylic acid (CAMP) is obtained by culturing under aerobic conditions a mutant strain of a microorganism in a nutrient medium containing a source of carbon, a source of nitrogen and one or more inorganic salts, and recovering the 3<SP>1</SP>,5<SP>1</SP>-cyclic adenylic acid accumulated in the nutrient medium, the mutant strain being one obtainable by subjecting a microorganism capable of producing CAMP in the presence of a precursor and/or of a fluoride to mutation treatment and being one which is capable of producing CAMP in substantial amount in the absence of a precursor, a fluoride or a fluoride and a precursor. Specified parent strains from which suitable mutants can be obtained are Corynebacterium murisepticum No. 7 (ATCC 21374), Arthrobacter 11 (ATCC 21375) and Microbacterium No. 205 (ATCC 21376). The mutant strains may be obtained from the parent strain by conventional artificial mutation treatment, e.g. by subjecting the parent strain to X-radiation, irradiation with U.V. light or to treatment with a chemical mutagenic agent, e.g. nitrosoguanidine, diethyl sulphate, methylethyl sulphate, NaNO 2 , acridine or nitrogen mustard. The nutrient medium may contain a precursor and/or fluoride or may be free of both a precursor and fluoride. Several precursors which may be added to the nutrient medium are specified and the medium may also contain one or more cyclic 3,5<SP>1</SP>-nucleotide phosphodiesterase inhibitors several of which are specified. The culturing is preferably carried out at a pH of from 5-9 and at 20‹ to 40‹ C. The CAMP can be isolated by treatment with active carbon or with a cationic or anionic exchange resin or by addition of a solvent in which CAMP is insoluble or by a combination of two or more such treatments. Examples are given for preparing suitable mutants and their use in the production of CAMP.
Patent GB-1504020-A (GB)
Title: Digital data processing apparatus
IPC: G06F9/26
Filed: 1975-11-26
Abstract: 1504020 Branching FUJITSU Ltd 26 Nov 1975 [26 Nov 1974] 48687/75 Heading G4A A branch instruction in a register 2 (Fig. 5) comprises address bits NXAD (basic or high order bits) and A, B (low order bits) of the address of a sub-routine in control store 1 to be branched to and modification bits MA, MB which are used to modify the low order bits A, B to provide the return address which is held in register 7. As described, each access of the control store by the address NXAD included in the previous instruction results in four micro instructions being read out, one of these being selected in accordance with the low order bits A, B. The modification may be performed at the start of the sub-routine or at the end of it, in which case the modification bits are stored, e.g. in flip-flops during the performance of the sub-routine. Both the branching instruction and return address must have the same basic address NXAD since at the end of the sub-routine only the same address or one of the other three read out by the basic address NXAD may be accessed. Reference has been directed by the Comptroller to Specification 1,386,176.
Patent GB-1388330-A (GB)
Title: Method of preparing stable aqueous solutions of organosilicic  compounds and the resulting products and applications thereof
IPC: A61K47/26
Filed: 1972-10-23
Abstract: 1388330 Medicines and cosmetics comprising silicon compounds J GUEYNE 23 Oct 1972 [25 Oct 1971] 48791/72 Heading ASB [Also in Division C3] Pharmaceutical compositions giving protection against radiation, having a stimulating effect on connective tissue and also useful as cosmetics and anti-inflammatory agents comprise aqueous solutions of organo-silicic compounds of the formula R x  Si(OH) 4-x , wherein R denotes an aliphatic, alicyclic or aromatic (including heterocyclic-aromatic) group, M denotes an alkali metal or a hydrogen atom and x is 1, 2 or 3, said solutions being stable at temperatures of up to 120‹C, having a pH of below 13 and being obtained by adding an aqueous alkaline solution of said organo-silicic compound to an aqueous solution of a compound of the formula R'OH containing at least one alcoholic and/or phenolic hydroxy group and wherein R' denotes an aliphatic, alicyclic or aromatic (including heterocyclic aromatic) group, and subsequently adjusting the final pH to a value of below 13 with a cation-exchange resin. The compositions are preferably formulated into dosage units containing 0.01 to 0.1g of active substance. Administration may be by electrophorsis, intramuscular, intravenous, percutaneous, in compresses, by massage or in eye-wash or eye baths.
Patent GB-1403097-A (GB)
Title: Earplugs
IPC: A61F11/08
Filed: 1972-10-24
Abstract: 1403097 Ear plugs of polymeric foam NATIONAL RESEARCH CORP 24 Oct 1972 [26 Oct 1971] 48899/72 Heading C3C [Also in Divisions A5 and H4] A 7/16 to 1 inch long substantially cylindrical earplug 3 having a diameter between # and ¥ inch is made of a resilient polymeric foam having a recovery time from 60% to 40% compression of 1 to 60 seconds and an equilibrium pressure at 40% compression of 0À2 to 1À3 p.s.i. The polymeric foam may be formed from a polyvinyl chloride plastisol composition having an aromatic polyester plasticizer, epoxidized soya bean oil; azodicarbonamide, antimony trioxide and/or calciumcarbonate. An earphone is formed by boring through the earplug 3, a # inch diameter hole for receiving the tip 5 of a sound tube 7. The foam may be compressed.
Patent GB-1348087-A (GB)
Title: Process in the production of cathode ray tubes
IPC: H01J29/88
Filed: 1972-10-24
Abstract: 1348087 Coating glass with glass FORD MOTOR CO Ltd 24 Oct 1972 [11 Nov 1971] 48901/72 Heading C1M [Also in Division H1] In order to reduce the resistivity of the wall of a cathode-ray tube it is internally coated with a glass comprising vanadium pentoxide as the major constituent and phosphorus pentoxide, the coating having a resistance between 10<SP>7</SP> and 10<SP>10</SP> ohms/square. The glass may contain small amounts of barium oxide or strontium oxide. The thickness of the coating is typically 30 mils. The glass is applied by fusing the constituents, crushing the resulting glass and mixing it with toluene and applying the mixture to the tube and then firing at 450‹ C. Specific compositions of the glass are given in the following ranges: V 2 O 5  60-75; P 2 O 5  20-35; SrO 0-10; BaO 0-5.
Patent GB-1523318-A (GB)
Title: Controlling the depth of immersion of the electrode in an electro-slag remelting furnace
IPC: C22B9/18
Filed: 1975-11-28
Abstract: 1523318 Automatic control of furnaces LEYBOLD-HERAEUS-VERWALTUNG GmbH 28 Nov 1975 [29 Nov 1974] 49098/75 Heading G3R The depth of immersion of a consumable electrode in an electro-slag remelting furnace is controlled automatically in response to measurements of the resistance of the system. A factor proportional to the rate of change of resistance with respect to electrode movement is added to the control signal to compensate for changes in the shape of the electrode tip. As shown in Fig. 3, a conventional furnace includes a hollow wall 13 containing liquid coolant 15, a water-cooled base 19 supporting an ingot 18 and molten pool 17, a slag layer 16, and an electrode 1 movable vertically by a screw 5 acting on an arm 3. Power is supplied at terminals 24, 25, and a divider circuit 28 computes a resistance value from measurements of voltage at a terminal 23 and current in a lead 21 sensed by a transformer 26. This resistance value is fed together with a reference value from a potentiometer 36 to a controller 32 connected through a unit 34 to a motor 11 which drives the electrode feed. The feed speed is measured by a tachogenerator 44 connected to one input of a divider circuit 41 which also receives the time derivative of the measured resistance value from a differentiating circuit 39. The quotient represents the rate of change of resistance with electrode movement, and its mean value is supplied through a controller 51 to another input of the controller 32. A reference value for the controller 51 is supplied by a motor-driven potentiometer 56 which enables the slope correction term to be introduced smoothly.
Patent GB-1488859-A (GB)
Title: Compositions for remineralizing tooth enamel
IPC: A61K6/838
Filed: 1974-11-13
Abstract: 1488859 Composition for remineralising dental enamel PROCTER & GAMBLE CO 13 Nov 1974 [13 Nov 1973 10 Oct 1974] 49120/74 Heading A5B An orally-acceptable composition for remineralising dental enamel is obtained by freshly mixing (i) a first solution containing 0.005% to 5% by weight of calcium ions in the form of a water-soluble calcium salt with (ii) a second solution containing 0.005% to 5% by weight of phosphate ions in the form of a water-soluble phosphate salt or phosphoric acid, to form a metastable solution having a pH of from 2.0 to 5.0 and a molar ratio of calcium ions to phosphate ions of from 0.01:1 to 100:1. The first solution (i) may additionally contain a water-soluble salt of a polyvalent metal other than calcium e.g. Mg, Sn, Al, In, Mn, Zn, Zr, Fe, Ni, Ti, V, W, Al, Sr, Ti, and rare earth metals such as Ce, La, Sm, Pr and Nd, and the second solution (ii) may additionally contain a watersoluble salt of an anion which forms an insoluble precipitate with calcium or with said polyvalent metal e.g. a fluoride, fluorophosphate, carbonate, salt of a fatty acid having 8-18 carbons such as laurate or stearate, molybdate, sulphate, tungstate, tartrate, sorbate, alkyl sulphonate and iodate, or the second solution may also contain hydrofluoric acid. Suitable calcium salts for use in the first solution (i) are the chloride, acetate, formate, lactate and nitrate and suitable phosphate salts for the second solution (ii) are disodium hydrogen phosphate, sodium or potassium dihydrogen phosphates and trisodium phosphate. The solutions are aqueous but may also contain ethanol, glycerine or propylene glycol. The first and second solutions may be separately packaged in a kit for mixing immediately before use and such a kit may be suitable to prepare a toothpaste or a mouthwash.
Patent GB-492422-A (GB)
Abstract: 492,422. Heating liquids by passage of current therethrough. STEVENS, A. H. (American Sundries Co., Inc.) Sept. 28, 1937, No. 26243. [Class 39 (iii)] An electric vaporizer comprises a liquid receptacle 10 having a cover 11 and vapour directing spout 12 and a heating element having a pair of electrodes 19 and 20 for passing current through the liquid enclosed by a porcelain shield 25, the latter having an opening 35 for the circulation of the liquid, and a pair of terminals 29 being provided above the cover 11, each having a shank extending through the cover to communicate with the electrodes and draw them upwardly against the shield to hold the latter in place. The ends of the electrodes may be covered with insulating blocks.
Patent GB-1450893-A (GB)
Title: Sound distribution systems
IPC: H04M3/42
Filed: 1972-10-26
Abstract: 1450893 Substation apparatus TELEVISION RESEARCH Ltd 26 Oct 1973 [26 Oct 1972] 49433/72 Heading H4K In a telecommunication arrangement ringing signals on a line are detected and after a delay cause a sound distribution system to be coupled to the line the arrangement being reset upon detection of a silence of predetermined duration. As shown ringing signals on line 1-1 are detected at 2 and after a 10 to 15 second delay at 4 enable a relay RLA which via its contacts RLA-1, RLA-2 couples the line to an automatic gain controlled amplifier 6. If the caller (after the delay) dials an appropriate additional digit as set in a counter 7 this counter enables a selector switch 8 in a paging or recorded sound distribution system. The normal input to latter system is disabled and speech from the caller coupled to the system for broadcast at appropriate locations. A chime signal may be transmitted to the caller as an invitation to speak. The system is for use in a PAX or PABX which may have inward dialling facilities.