baber/WOPTO huggingface dataset:
Patent GB-1009802-A (GB)
Title: Improvements in or relating to novel process for the preparation of 16-alkylpregnenes
IPC: C07J75/00
Filed: 1961-12-28
Abstract: Pregnenes minimally possessing 3,20-diketo-4-dehydro - 16a - lower alkyl - 17a  - hydroxy-21-hydroxy or lower alkanoyloxy substituents are prepared by chlorinating 3-acylates of 5(6),16-pregnadien-3-ol-20-ones to give the corresponding 5,6-dichloro-16-pregnenes, intro ducing into these the 16a -lower alkyl group, the 17a  - hydroxy group, the 21 - hydroxy or -alkanoyloxy group and the 3-keto group by known methods and thereafter dehalogenating the product.  The chlorination, which is effected in a non-aqueous inert organic solvent, may utilize a substantially equimolar quantity of chlorine to give the 5,6-dichloro-16-pregnenes direct or it may utilize a molar equivalent excess of chlorine to give a reaction product containing a quantity of 5,6,16,17-tetrachloro-pregnane which is thereafter partially dehalo genated, for example by treatment with zinc and acetic acid at below 40 DEG  C. or by treatment with chromous chloride.  The lower alkyl group is defined as having at most 3 carbon atoms and the lower alkanoyl at most 7.  The steroids may also possess an 11a  or b -hydroxy- or an 11-keto-substituent. Preferably, the 5,6-dichloro com pound is reacted with a lower alkyl magnesium halide and then with an acyl halide to give a 5,6 - dichloro - 16a  - alkyl - 17(20) - pregnen-3,20-diol 3,20-diacylate, this is reacted with hydrogen peroxide or peracetic acid to give the 17,20-epoxide, this is hydrolysed to a 5,6-dichloro -16a  - alkyl - pregnan -3,17a  - diol-20-one 3-acylate, this is 21-brominated and the product treated with an alkali metal alkanoate followed, if desired, by hydrolysis, to give a 5,6 - dichloro - 16a  - alkyl - pregnane - 3,17a ,21-triol -20 - one 3 - acylate or 3,21 - diacylate, this is hydrolysed in the 3-position and then oxidized to give a 5,6-dichloro-16a -alkyl-preg nane - 17a ,21 - diol - 3,20 - dione or a 21-acylate thereof and this is converted to the desired product by refluxing with zinc and acetic acid.  Examples are given.
Patent GB-954405-A (GB)
Title: Improvements in or relating to a support device
IPC: H01B17/24
Filed: 1961-12-29
Abstract: 954,405. Cable clamps. W. SIHN, [trading as WILHELM SIHN JUN. KOMM.-GES.]. Dec. 29, 1961 [Dec. 31, 1960], No. 46560/61. Heading H2C. [Also in Division E2] An insulating cable holder consists of a pair of clamping members 6, 7 which fit together in a telescopic fashion so as to slide over a central threaded rod 3. The two clamps are urged apart by a spring 10 and are made to clamp cables in the side recesses by tightening a butterfly nut 9 on a threaded bar 3 against the action of a spring. A key-and-slot arrangement 11, 12 prevents relative rotational movement of the upper and lower members. The lower clamping member is provided with an eight or twelvesided recess 8 so that it may be located in a number of angular positions relative to a square nut 4. The upper part 17 of clamp 7 is also made square or polygonal so that a number of clamps may be superposed and drawn together with a single butterfly nut. The outer recess in the face of the clamping members is for flat cables and a lip 15 is provided to prevent them from slipping out sideways. Points 16 also grip plastic cables. The clamping members themselves may be of plastics material. The lower end of rod 2 may be provided with a spike or coarse thread for securing to a base.
Patent GB-1305157-A (GB)
IPC: C07H23/00
Filed: 1971-10-06
Abstract: 1305157 Cobamide derivatives ROUSSELUCLAF 6 Oct 1971 [6 Oct 1970] 46568/71 Heading C2V Cobamide compounds in which there is bonded directly to the cobalt atom an alkyl group which may be substituted by an aryl, hydroxyl or carboxyl group, are obtained by reacting (a) a cobamide compound in which an anion-forming group is directly bonded to the cobalt atom, with (b) a compound containing the unsubstituted or substituted alkyl group and containing also mercury, gallium, thallium, silicon, boron, germanium, tin, lead or bismuth. In examples, hydroxo-cobalamine is reacted with iodine and the iodo-cobalamine thus obtained is reacted with methyl mercury iodide to obtain methyl cobalamine, with ethyl mercury iodide to obtain ethyl cobalamine, and with (#- hydroxyethyl)-mercury bromide to obtain (#- hydroxyethyl) cobalamine; and hydroxo cobalamine and 51-desoxy-adenosyl-(5,6-dimethylbenzimidazole)-cobamide are reacted with ammonium methyl-hexafluorosilicate to obtain methyl cobalamine. Other reactants are mentioned.
Patent GB-1020245-A (GB)
Title: Remote control device
IPC: B60R1/068
Filed: 1962-12-11
Abstract: 1,020,245. Rear-view mirrors. NELMOR CORPORATION. Dec. 11, 1962 [April 16, 1962], No. 46730/62. Heading B7J. [Also in Division F2] A universally mounted member, such as a rear view mirror 44 on a vehicle, is positioned by a remotely located, universally mounted handle 92 acting through three Bowden cables 34 whose ends are grouped around central hemi-spherical headed supports 26, 64 for the mirror and handle respectively, the cables being tensioned by individual springs 106 which urge the handle and mirror against their respective supports. The cable cores 34 are secured to the mirror as shown in Fig. 13, or, if braided cables are used, by crimping or knotting. The supports 26 and 64 are screw adjustable in fixed brackets 22 and 54 respectively, and the handle 92 is screwed to a boss 72 which, in addition to its spherical engagement with the support 64, has similar engagement with a frame 56 attached by a nut 81 to a vehicle panel 80, the bracket 54 being riveted to the frame 56. Nipples 100 on the cable ends are retained in open-sided bores in bosses 84 on the handle boss 72 by spring clips 108 which take the reaction of the cable tensioning springs 106. In Fig. 14, not shown, the nipplereceiving bores have integral outer end walls with locating holes receiving pins on the ends of the cable nipples.
Patent GB-1118335-A (GB)
Title: A process for the manufacture of carbocyclic compounds
IPC: C07C309/73
Filed: 1966-10-19
Abstract: Compounds of the Formulae (I), (II) and (III) <FORM:1118335/C2/1> (wherein X is H, lower alkyl, lower alkylthio or lower alkanoyl-thio in the 6-position, the numbering being that of steroids with ring A missing, or H, halogen, lower alkyl, lower alkylthio or lower alkanoyl-thio in the 7-position; and Z is a grouping of the formula (IVa) or (IVb) in which R1 is OH or lower alkanoyloxy; R2 is H or lower alkyl; or R1 and R2 together are a 17b -hydroxy-17a -(lower alkanoic acid) lactone group or an oxo group; R3 is H, lower alkyl, OH or lower alkanoyloxy; R30 is H, F, lower alkyl, OH or lower alkanoyloxy; R4 is H, halogen, lower alkyl or OH; and R5 is H, halogen or OH; the word "lower" referring to groups of at most 6 carbon atoms) are prepared by pyrolysing compounds of the formula (V) (wherein Y is H or an esterified OH group capable of being eliminated) or an alkali metal salt thereof in the presence of a basic nitrogen-containing organic solvent, a mixture of compounds (I) and (II) being obtained when Y is H, and compounds (III) being obtained when Y is esterified OH.  Hydroxy and keto groups may be protected by esterification, etherification and ketalization and subsequently regenerated.  In the products hydroxy groups may be oxidized to keto groups.  Examples are given, and des-A-pregn-9-ene-5,20-dione is purified via its disemicarbazone. Lithium salts of compounds of the Formula (V) used as starting materials are prepared from the free acids and lithium methylate.
Patent GB-998179-A (GB)
Title: Improvements in or relating to the transmission of binary information
IPC: H03K3/45
Filed: 1963-11-27
Abstract: 998,179. Magnetic storage apparatus. INTERNATIONAL BUSINESS MACHINES CORPORATION. Nov. 27, 1963 [Dec. 19, 1962], No. 46842/63. Heading H3B. [Also in Division G4] In a binary shifting register or counter comprising a series of magnetic thin film elements 21-24, Fig. 8, each element has an associated coupling loop 27-31 which is conductively connected to the next succeeding film element, and all the elements are magnetized along the hard direction by an alternating magnetic field HT. When no or insufficient current (binary 0) is passed through a film element from input 25 or the coupling loop of the immediately preceding film element, the magnetization characteristic shown in Fig. 2 is followed as the alternating field H varies in intensity and direction. The voltage shown in Fig. 4 is induced in the coupling loop of the film element which is insufficient to influence the next film element through which the resultant current passes. When an adequate current (binary 1) is passed through a film element, the magnetization characteristic of the film element is charged as shown in Fig. 5 and the induced voltage pulse passes an equally adequate current in the time period t 2 -t 3  through the next film element. The propagation constant of each coupling circuit is such that the binary input is transferred from one thin film element to the next in one half-cycle of the alternating magnetic field, and for the shift register shown four half-cycles of magnetic field are necessary for an input at terminals 25 to be transferred to output terminals 33. Parallel input-output terminals 34-36 are provided. A modified construction is shown in Fig. 9 in which the coupling loops 46-52 are parallel to the hard direction. In this arrangement a binary 0 input gives an effective output, Fig. 6, and a binary 1 input gives a zero output, Fig. 7 (not shown). Thus as shifting of data along the register takes place the input at any one stage is the complement of the input of the stage immediately preceding. Construction may be by vapour deposition of conductive strips and silicon oxide insulating layers.
Patent GB-1133098-A (GB)
Title: Improvements in and relating to drying apparatus
IPC: D06F34/26
Filed: 1964-11-20
Abstract: 1,133,098. Drying apparatus. J. E. RANDELL. 16 Feb., 1966 [20 Nov., 1964], No. 47277/64. Heading F4G. A drying apparatus having thermally insulated walls comprises an air heating chamber 12 housing the condenser 24 of a compression refrigeration system, an air cooling chamber 14 housing the evaporator 26 of the system and a drying chamber 16, beneath which chambers an air duct 18 serves to connect the chambers 14 and 16 with a fan 20 and the heating chamber 12. In operation the air from the heating chamber 12 is distributed over the area of the drying chamber 16 by spaced baffles 34 for downward passage through a framework (Fig. 3, not shown) on which materials to be dried are supported, and passes in part through perforations 36 in the floor 44 of the drying chamber and in part passes upwardly through a passage between vertical partitions 38, 40 for passage downwardly over the cooling evaporator 26 and a compressor 22 and ultimate recirculation by the fan. In a further embodiment the insulated enclosure is divided by a horizontal pattern, Fig. 3 (not shown), with the air heating condenser mounted adjacent one aperture at one end of the partition and the air cooling evaporator adjacent and below a further aperture at the other end, and the fan is mounted in the duct formed beneath the partition. A further, vertical partition which is spacedly mounted from the top of enclosure divides the enclosure into an air heating and a drying compartment.
Patent GB-1532270-A (GB)
Title: Method of and apparatus for tuning an aft-controlled channel selecting apparatus to a desired frequency
IPC: H04N5/44
Filed: 1976-11-12
Abstract: 1532270 Receiver tuning and AFT SONY CORP 12 Nov 1976 [22 Nov 1975] 47290/76 Heading H3Q In an automatic fine tuning (AFT) controlled channel selecting apparatus having digital storage of channel frequencies at 50, a gradually increasing tuning control voltage read out from store 50 on turn on of a power supply or when changing channels is varied at a slow rate in response to unwanted AFT action as the tuning voltage approaches the required value and at part rate when the detected deviation of the tuning frequency of the apparatus to the required value is within a predetermined range of the required value. With a bistable 145 in its set state fine tuning pulses A20 control via gates 148-151 the digital code up-down variation of a counter 40 via gates 38 1  and 38 2  at the slow rate whilst the tuning voltage is gradually approaching the required value as the result of AFT action on non-required tuning voltages. This ensures that AFT action whilst the tuning voltage is increasing to the selected value does not cause the tuning to be pulled into an unwanted frequency. A pulse PB obtained when the tuner is turned on or when changing channels by switches S1-S16 triggers a monostable 145 which at the end of the monostable time sets the bistable 145 and coarse timing pulses A 14 are applied via gates 147, 149, 150, 151 so that AFT via gates 381, 382 is obtained at a high rate. When the control voltage tunes the local oscillator to within 50kHz of the selected frequency the output from the AFT circuit 120 (disclosed in detail, Fig. 5, not shown) resets the bistable and fine tuning pulses are again available via gate 147. However the outputs EU and ED from the AFT circuit also inhibits gates 150 and 151 so that no further AFT connection is made unless the tuning drifts beyond the 50 kHz range of the AFT circuit. The memory 50 can be written into and read out from under control of switches 61, 62 and S1-S16 to control the digital code in a counter 40 which controls a pulse width modulated A/D converter 90 to provide a tuning voltage to an electronic tuner 110 via a LPF in a similar manner to that disclosed in Specification 1,518,712: The counter 40 can be driven up or down by coarse and fine tuning selectors 31C, 31F.
Patent GB-1143145-A (GB)
Title: Cable duct
IPC: H02G3/04
Filed: 1967-10-19
Abstract: 1,143,145. Conduits. INTERNATIONAL STANDARD ELECTRIC CORP. 19 Oct., 1967 [22 Oct., 1966], No. 47647/67. Heading H2C.  A cable duct 1 of trapezoidal or semicircular section has a side-part connected to each edge by a fillet. The duct may be of extruded metal or plastics material and may be covered by metal or plastics sheets resting on a strip or recess provided around and below the inside edge of the duct. If made of plastics, the duct is supported by rails 2 which, however, may be replaced by supports at the ends of each section of the duct, if made of metal. Cables may enter or leave the duct at spaces left between adjacent ends thereof.
Patent GB-1476110-A (GB)
Title: Process for optical purification of d-p-hydroxyphenyl-glycine
IPC: C07C227/34
Filed: 1975-11-20
Abstract: 1476110 Obtaining optically pure D-p-hydroxyphenylglycine PFIZER Inc 20 Nov 1975 [9 Jan 1975] 47870/75 Heading C2C The invention comprises a process for separating D-p-hydroxyphenylglycine from a mixture containing D and DL-p-hydroxyphenylglycine and/or the C 1-10  alkyl esters thereof wherein (a) said mixture is dissolved in aqueous hydrobromic acid (b) insoluble DL-p-hydroxyphenylglycine HBr is separated from the solution, (c) the pH of the solution is adjusted to a value in the range 4À0 to 6À0 and (d) isolating the D- isomer from the solution in crystalline form. The hydrobromide of D-p-hydroxyphenylglycine may be isolated from stage (b) after separation of the DL isomer by, e.g. evaporation of the HBr and then dissolved to form an aqueous solution from which the free amino acid can be obtained by treatment with alkali. When the starting material is or includes C 1-10  alkyl esters these are hydrolysed during the reaction.
Patent GB-1241058-A (GB)
Title: Pneumatic pulsation apparatus for imparting vibratory motion to a fluid
Inventor: KARPACHEVA SUSEANNA MIKHAILOVN
IPC: B06B1/20
Filed: 1968-10-10
Abstract: 1,241,058. Valves. S. M. KARPACHEVA, V. M. MURATOV, L. S. RAGINSKY, I. V. ILGISONIS, and N. M. ADAMSKY. 10 Oct., 1968, No. 48036/68. Heading F2V. Liquid in a treatment vessel (13a, Fig. 1, not shown) is pulsated by air pressure pulses transmitted to the vessel from a conduit 11 which is connected alternately to an exhaust 17 and a compressed air inlet 16 by rotation of a valve disc 5 providedwith apertures 14, 15. Figs. 4-8 (not shown) illustrate different aperture arrangements in the disc.
Patent GB-1510239-A (GB)
Title: Apparatus for cross-cutting paper and the like
IPC: B26D7/22
Filed: 1976-11-19
Abstract: 1510239 Cutting webs into predetermined lengths SIEMENS AG 19 Nov 1976 [5 Dec 1975] 48458/76 Heading B4B Apparatus for cross-cutting paper or the like comprises feed rollers 3 for feeding a strip 1 of paper, a rotatable cutting drum 4 having a blade for repeatedly cutting the strip into predetermined lengths, first and second drive means 5 and 8 for driving the feed roller and blade drum respectively, an adjustable gear means 9 for transmitting drive from the second drive means to the blade drum in a non-linear manner such that whilst cutting, the blade drum is rotated at a first speed such that the blade moves synchronously with the paper and between cutting operations, the blade drum is rotated at a second speed which is adjustable in dedependence upon the length of paper to be cut and safety circuit means 10 to 21 to prevent overload of the apparatus when the non-linear drive means is set above a predetermined limit.
Patent GB-1249015-A (GB)
Title: Improvements in or relating to heat sealable films
Inventor: WARD PETER MANNERS
IPC: C08J7/052
Filed: 1969-10-02
Abstract: 1,249,015. Heat sealable films. IMPERIAL CHEMICAL INDUSTRIES Ltd. 8 Sept., 1970 [2 Oct., 1969], No. 48460/69. Heading B2E. A heat sealable coated polymeric film is made by subjecting a thermoplastic film to oxidising chemical treatment, corona discharge ionising radiation or flame treatment on at least one of its surfaces; coating at least one of the treated surfaces with a resin which contains an isocyanate ended polyurethane of average molecular weight greater than 1,000 and an organic polyisocyanate containing isocyanurate rings and having an average of more than two isocyanate groups per molecule; drying the coating on the film; applying a dispersion or solution of a heat-sealable polymer and drying the polymer by heat thereby curing the resin so that it becomes adhesively bonded to the heat-sealable layer and the thermoplastic film. The polyurethane may be obtained by the reaction of excess polyisocyanate with polyhydroxy compounds having a molecular weight greater than 400 such as polyethers, polyetherthioethers, polyesters or polyacetals, a variety of which are specified. The polyisocyanate containing isocyanurate rings may be obtained by the polymerisation of a polyisocyanate in an inert solvent under the action of heat in the presence of a basic catalyst. Preferably the ratio of polyurethane to polyisocyanate is between 12 to 1 and 1 to 12 by weight. The resin may be blended with thermosetting resins, for example melamine or urea formaldehydes, epoxy or acrylic resins. The resin coating is preferably dried at 60 to 120C. The heatsealable coating may be a vinylidene chloride/ acrylonitrile copolymer, polyvinyl acetate, partially hydrolised polyvinyl acetate, butadiene/ acrylonitrile copolymers, butadiene/styrene copolymers, butadiene/methylmethacrylate copolymers, butadiene/methylmethacrylate/styrene copolymers, methylmethacrylate/acrylic acid copolymers, copolyesters of terephthalic acid and other dicarboxylic acids with glycols, vinylidene chloride/vinyl chloride copolymers, vinyl acetate/vinyl chloride copolymers, vinyl acetate/ethylene copolymers, or a copolymer of vinyl chloride and ethylene. The heat-sealable coating may also contain cationic surface active agents, antioxidants, dyes, pigments, lubricants, antiblocking agents, ultra-violet light stabilizers and slip agents, a variety of which are specified. The heat-sealable coating is preferably applied as an aqueous dispersion and is dried at 110 to 140C. The polymeric film may be an alphaolefin, a polyester or a polymer or copolymer of vinyl chloride and may be oriented in one or both directions.
Patent GB-1446556-A (GB)
Title: Control of the composition of the exhaust gas of internal  combustion engines
IPC: F02D41/34
Filed: 1973-10-18
Abstract: 1446556 Automatic control of exhaust gases ROBERT BOSCH GmbH 18 Oct 1973 [19 Oct 1972 28 April 1973] 48614/73 Heading G3R  In a system having an integrater for controlling the fuel/air ratio supplied to an internal combustion engine in response to an exhaust gas probe, the integrator operates in steps, the duration of which depends upon the speed and/or the load on the engine. In the embodiment, one or the other of two transistors 24, 25 periodically conducts according to whether or not the output of probe 12  exceeds a threshold set at 20 so as to cause a steady rise or fall of the output of integrator 32, 33, 34 for a time determined by a monostable multi-vibrator 36 and at a frequency determined by engine speed or load pulses which trigger 36. During this off period the output of the integrator remains constant, or changes at a different rate if a resistor 40 (optional) is provided. This output adjusts a carburetter or fuel injector.
Patent GB-1022728-A (GB)
Title: Semi-permanent capacitive memory
IPC: G11C17/04
Filed: 1963-12-13
Abstract: 1,022,728. Semi-permanent capacitive memories. STANDARD TELEPHONES & CABLES Ltd. Dec. 13, 1963 [Dec. 17, 1962], No. 49425/63. Addition to 918,603. Heading G4A. The invention relates to the reduction of residual capacitances or the effects thereof in semi-permanent capacitive memories. In Figs. 3, 6 (not shown), column conductor-electrodes and row electrodes are formed as metallized regions on one side of a double insulating plate, the row conductors being metallized regions of the other side of the plate and connected to the row electrodes by metallized holes. Capacitive coupling is selectively introduced between row electrodes and column conductor-electrodes by suitably positioning movable metal plates. To reduce capacitive coupling between row conductors and column conductor-electrodes, a screening metal layer is incorporated, in the double insulating plate (an annular gap being provided to prevent contact with the row electrodes &c.). In Fig. 7 (not shown), an insulating plate is metallized on one side to form column conductor-electrodes and removable strips (one shown) each carry a row of electrodes on one side connected via metallized holes in an insulator and links to a row conductor. The row conductor terminates at two connecting electrodes (on opposite sides of the strip and joined via a metallized hole). Some of the links are broken to store data. A screening metal layer is incorporated in the insulator of the strip to reduce unwanted capacitances and is connected to connecting electrodes. The connecting electrodes are used for plug-cum-capacitance connection to the read-out means (or earth) so that if electrical contact is impaired, capacitive connection remains. As an alternative to the metallized holes, the links may be connected with the row electrodes, over the edge of the strip (Fig. 8, not shown). Fig. 9 (not shown) shows a modification of the Fig. 7 (not shown) embodiment in which, instead of a screening metal layer in each removable strip, a compensator strip is provided in which all the links are broken. For read-out, A.C. from a source (via gate) is applied to a row strip selected by a switch, and the same A.C., but with 180 degrees phase shift produced by a coil, is applied to the compensator strip. Fig. 2 (not shown) shows special electrode shapes for reducing unwanted capacitances, two row electrodes being connected to a row conductor via a single metallized hole.