baber/WOPTO huggingface dataset:
Patent GB-833940-A (GB)
Title: Separation of acetylene
Inventor: THROWER RONALD DAVID
IPC: C07C7/11
Filed: 1958-01-21
Abstract: Acetylene is recovered from gas mixtures by contacting with a selective solvent at below 0 DEG  C. and at least 4 atm. absolute, contacting the solution at a lower pressure with an acetylene-rich gas (e.g. from the next stage) to displace less soluble gases, heating to disengage acetylene and more soluble gases and contacting the disengaged gas with the same or another solvent at below 0 DEG C. to remove more soluble gases.  Specified solvents are acetone, dimethylformamide, N-methyl-2-pyrrolidone and 3 -butyrolactone.  The details of operation are similar to those described in Specification 787,865.
Patent GB-1139583-A (GB)
Title: Cephalosporin compounds
IPC: C07D501/36
Filed: 1966-01-17
Abstract: 1,139,583. Cephalosporin compounds. ELI LILLY & CO. 17 Jan., 1966 [18 Jan., 1965], No. 2077/66. Heading C2A. Antibacterial compounds resistant to penicillinase have the Formula I: in which R<SP>1</SP> is H, C 1 -C 7  alkyl, C 1 -C 7  alkoxy, C 1 -C 7  alkylmercapto, phenyl, phenoxy, phenylmercapto, thienyl, furyl, benzothienyl or benzofuryl; R<SP>2</SP> is C 1 -C 6  alkyl, C 2 -C 6  alkenyl, or carbo-ethoxy; R<SP>3</SP> is C 1 -C 6  alkyl; R<SP>2</SP> and R<SP>3</SP> contain a total of not more than 8 C atoms; and n is 0 or 1; and include the salts and betaines of the 4-carboxyl group. The compounds are prepared by reacting a cephalosporin C compound of formula in which A is hydrogen or -CO-CH 2 -R<SP>1</SP>, wherein R<SP>1</SP> has the same meaning as above, with an appropriate piperazinodithiocarboxylate so as to displace the acetoxy group in the 3-position of the cephalosporin C compound with the piperazinothiocarboxylate-derived moiety in which R<SP>2</SP>, R<SP>3</SP> and n have the above meanings, and when A is hydrogen, acylating the resulting compound to introduce in the 7-position the acylamido substituent desired in the final product. The 4<SP>1</SP>,4<SP>1</SP>-disubstituted piperazinothiocarbonylthio methyl cephalosporins may be prepared by treating the 4<SP>1</SP>-mono compound with an alkyl or alkenyl halide. Typical compounds are 7-α-thienylacetamido-3.(4<SP>1</SP>-methyl piperazinothiocarbonylthiometbyl) - 3 - cephem - 4-carboxylic acid and 7-α-thienylacetamido-3- (4<SP>1</SP> - ethyl - piperazinothiocarbonylthiomethyl)- 3 - cephem - 4 - carboxylic acid, their sodium salts and 7 - α - thienylacetamido - 3 - (4<SP>1</SP>,4<SP>1</SP> - dimethylpiperazino - thiocarbonylthiomethyl) - 3 - cephem - 4 - carboxylic acid betaine. Salts are formed with inorganic and organic bases. A pharmaceutical composition comprises a cephalosporin of Formula I and a pharmaceutical carrier.
Patent GB-305576-A (GB)
Title: Improvements in glass drawing machines
IPC: C03B15/18
Filed: 1929-01-22
Abstract: 305,576. Bouffioux, A. Feb. 7, 1928; [Convention date]. Drawing.-A bearing for a roller of a machine for drawing sheet glass comprises a ring f, Fig. 2, which is screwed to the frame d of the machine, and a sleeve c which screws into the ring. Part of the sleeve c may be removed, as shown in Fig. 1, in order to facilitate inspection and lubrication of the spindle a of the roller. A catch may be provided to engage notches e in the sleeve to prevent it from turning. The gear wheels g which drive the cylinders are bored to fit on to the conical ends of the spindle a, and they are held in place by the heads h of screws. The construction facilitates removal of a cylinder when the spindle has become deformed.
Patent GB-1192722-A (GB)
Title: Improvements relating to Photographic Apparatus
Inventor: RICE CHRISTOPHER RAYMOND
IPC: G03B17/04
Filed: 1969-01-14
Abstract: 1,192,722. Bellows. POLAROID CORP. Jan. 14, 1969, No.2238/69. Heading G2A. In a camera bellows, the junction of the edge folds and the outside folds are rounded. As shown, the bellows consists of alternate inside folds 24 and outside folds 22, each outside fold on one side being alignment with inside folds on the two adjacent sides. The edge folds 26 which join the outside folds on one side with the outside folds on the two adjacent sides are rounded, as shown. The bellows is moulded from a single sheet of thermoplastic material, and the rounded edge folds facilitate the moulding process, and reduce stress on the folds as the bellows is flexed.
Patent GB-174611-A (GB)
Title: Improvements in the process of oxidising liquid hydrocarbons
Filed: 1922-01-25
Abstract: For the production of fatty acids, liquid hydrocarbons, such as the distillation products of mineral oil, are first treated with liquid sulphur dioxide in the known manner to remove all unsaturated impurities and an oxygen-containing gas is then blown through the unattacked residue, to which a base may be added.  The Specification as open to inspection under Sect. 91 (3) (a) mentions lime as a suitable base.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1079302-A (GB)
Title: A take-up reel for cinematograph apparatus
IPC: G03B21/32
Filed: 1966-01-18
Abstract: 1,079,302. Cine film spools. K. VOCKENHUBER and R. HAUSER. Jan.18, 1966 [Jan. 18, 1965], No.2271/66. Heading G2E. A take-up reel on which cine film is automatically threaded comprises two flanges 1 and 2 having disc-shaped hubs 3 and 4 connected together by bolts 5, but spaced from each other at their periphery leaving an annular slot in which is mounted an annular disc 6 having at least one projection 7 for engaging the sprocket holes of the film; disc 6 is pressed against one of the hub parts for rotation therewith by spring means 8 which may be integral with the disc 6.
Patent GB-1533461-A (GB)
Title: Phenyl-and benzylphosphonate esters having prostaglandin-blocking activity
IPC: D03D49/38
Filed: 1976-01-21
Abstract: Compounds having the structural formula  WHEREIN X is an alkyl or alkenyl chain having 2-8 carbon atoms, one of which carbon atoms may be in the form of a carbonyl group, Y is H, alkyl, dialkylaminoethyl, aryl, aralkyl or aryl and aralkyl substituted with one or more R, and R is H, lower alkyl, lower alkoxy, halogen, CF3, NO2, OH, CN, COOR1, R1  CON ANGLE ,  R2  NHCOR1, NR1R2 or R1  CH2N ANGLE   R2  where R1 and R2 are each selected from the group consisting of H and lower alkyl; R, R1 and R2 being the same or different, T is 0 or 1 and n is 0-5; and pharmaceutically acceptable salts thereof.
Patent GB-725674-A (GB)
Title: Polymerisation of n-vinyl-lactams
Filed: 1953-01-27
Abstract: N-vinyl lactams are polymerized by subjecting an aqueous solution of an N-vinyl lactam containing a minor amount of azo-bis-isobutyronitrile to the action of ultra-violet light. N-vinyl lactams specified are N-vinyl alpha-pyrrolidone, N-vinyl alpha-piperidone, N-vinyl hexahydrophthalimidine and N-vinyl caprolactam.  Specification 622,374 is referred to.
Patent GB-657647-A (GB)
Title: Improvements in or relating to metal drawing presses
IPC: B21D22/02
Filed: 1949-01-28
Abstract: 657,647. Cupping. STEVENS, A. H. (Clearing Machine Corporation). Jan. 28, 1949, No. 2405. [Class 83 (iv)] In a drawing press having a movable lower die 16 surrounded by a draw ring 19 to support the work the upper draw ring 13, adapted to hold the blank on the ring 19, is connected to a slide 1, by which the upper die 4 is also carried, by a number of separate adjusting devices 15 to ensure uniform pressure between the two rings 13, 19. These devices may be similar to those described in Specification 657,646, and may have similar bolsters 33. The devices 15 may be fitted to an adaptor ring 14 to which the ring 13 is secured. In addition to the dies 4, 16 the former may carry a die 8 moved therein by an inner slide 12.
Patent GB-328045-A (GB)
Title: Improvements in cloth expanders
IPC: D06C3/06
Filed: 1929-01-24
Abstract: 328,045. Durrant, G., and Smith, O. G. Jan. 24, 1929. No Patent granted (Sealing fee not paid). Feeding webs.-A cloth-expanding roller consisting of two sets of bars b, b<1> carrying bowls g engaging fixed inclined cam wheels f which cause the bars b, b<1> to move nearer together and further apart as the roller rotates is covered with rubber strips or a rubber sleeve a<1> secured at its ends to the outer ends of the bars b, b<1>. The strips or sleeve may be secured also at the mid point to the roller.
Patent GB-970546-A (GB)
Title: Improvements in or relating to vacuum chamber covers
IPC: B22D18/06
Filed: 1961-01-20
Abstract: 970,546. Casting machines. BOCHUMER VEREIN FUR GUSSSTAHLFABRIKATION A.G. Jan. 20, 1961 [Jan. 23, 1960 No. 2434/61. Heading B3F. The cover 1, Fig. 1, for a vacuum casting chamber has means, e.g. grooves 2, 3, for mounting sealing members of different sizes to accommodate ladles of different diameters. In a modification, Fig. 2, the cover has a means 8 on which the largest diameter ladle may be seated, and a smaller diameter ladle is accommodated by the use of an apertured plate 10 which seats on the annulus 8 and has sealing means 11 on which the ladle seats.
Patent GB-489378-A (GB)
Title: Improvements in composite materials for constructional purposes
IPC: E04C2/18
Filed: 1937-01-27
Abstract: 489,378. Compound sheet materials. TIBBENHAM, V. J. Jan. 27, 1937, No. 2444. [Class 140] Compound sheet material for constructional purposes comprises layers or sheets of compressed cork interleaved with metal gauze or netting, the whole being compressed so that the metal gauze or netting penetrates the adjoining cork layers. An adhesive or cement may be used, and the compressed cork may be impregnated or incorporated with a fireproofing or waterproofing substance. A network made of flat wire or narrow metal strips, with the width of the strips at right-angles to the plane of the network, may be used as the metal layer.
Patent GB-196119-A (GB)
Title: Improvements in and relating to incubators
IPC: A01K41/02
Filed: 1922-01-27
Abstract: 196,119. Allen, C. F., and Stanton, E. M. Jan. 27, 1922. No Patent granted (Sealing fee not paid). Thermostats -The temperature of an incubator is controlled by means of two valves connected to opposite ends of a lever operated by a thermostatic device to regulate the admission and discharge of air to and from the egg-chamber. The capsule 5 carries a rod 4 connected through an adjusting screw 7<a> to a lever 6 to which the valves 3 are connected. The rod 4 may form the stem of one of the valves or a separate rod may be used. The two pipes 9, that lead the hot gases from the lamp to the egg-chamber, are connected by an angle bend 10 to facilitate removal of the lamp.
Patent GB-609484-A (GB)
Title: An improved temperature sensitive device operating by expansion
IPC: G05D23/275
Filed: 1945-02-02
Abstract: 609,484. Automatic control systems. LANDIS & GYR SOC. ANON. Feb. 2, 1945, No. 2678. Convention date, Feb. 15, 1944. [Class 38 (iv)] Temperature.-In a temperature - sensitive regulating system, change in temperature affects the position of the armature of an inductance connected in the differential current coil circuit of a Ferraris relay to move the disc in one orother direction according to the sense of deviation from a temperature which is preset by adjustment of the armature of an inductance in the differential current coil circuit. In Fig. 1, a temperature-sensitive device 1 comprises an Invar rod 3 attached at its lower end to a brass tube 2. On temperature variation an armature 4 attached to the upper end of rod 3 is moved by expansion relative to a coil 5, thereby varying its inductance and hence the current from A.C. mains a, b to current coil 9 of a Ferraris disc, operating contact 12 relative to opposed contacts 13, 14. At a temperature which is preset by a screw 8 adjusting the position of coil 5 relative to armature 4, the effect of coil 9 on the disc is balanced by the effect of a second current coil 10 connected across mains a, b, and contact 12 is held in a central position by a spring (not shown), but, on temperature deviation, . unbalance occurs and contact 12 engages contact 13 or 14, according to the sense of the deviation thereby controlling means (not shown) to restore the temperature. A voltage coil 11 of the Ferraris disc is supplied directly from mains a, b. In modifications, Figs. 2-4 (not shown): (a) A separate inductance either in series with coil 5 or in series with coil 10 has an armature which is manually adjustable to facilitate temperature setting at a point remote from the temperaturesensitive device. (b) The temperature-sensitive inductance and the manually variable inductance of'(a) above are double, each having one part in series with coil 9 and the other in series with coil 10. One movable armature is associated with each double inductance. Sensitivity is thereby increased and temperature errors minimized.
Patent GB-524301-A (GB)
Title: A humidifying device
IPC: F24F6/04
Filed: 1939-01-26
Abstract: 524,301. Humidifiers. MALCOLM, E. E. Jan. 26, 1939, No. 2732. [Class 39 (iii)] [Also in Group XXXVII] A humidifier comprises a hollow base 10 with upstanding stem 11, a removable heater 12 with an inner hollow depending stem 13 and an outer sleeve 14, and a removable opening bowl 15 fitting with watertight packing 16, 17 on to the upper end of the heater unit 12. A spring 20 surrounds the stem 13 and is adapted to lift the bowl when the water falls to a predetermined level 30. This allows a mercury switch 25 to tilt under the action of a spring 27 to break the circuit of the heater. One or more lamps may be placed in the bowl and means may be provided for protecting coloured light for decorative effect in conjunction with rising vapour. The separate heater 21 may then be omitted.
Patent GB-824539-A (GB)
Title: Improvements in or relating to welding electrodes
IPC: B23K35/365
Filed: 1958-01-29
Abstract: The flux-coating of a welding-electrode contains alkaline earth fluoride, alkaline earth carbonate, a binder, a metal powder, ZrO2 in a quantity of 15-30% by weight of the non-metallic part of the coating, silicate (calculated as SiO2) in a quantity at most equal to that of the ZrO2, and no hydrogen-containing compounds.  The ZrO2 is preferably used in the form of zirconium silicate in which case, apart from the binder (sodium/potassiumsilicate), no other silicate is present. The ZrO2 content is preferably higher than the SiO2 content; this may be achieved by using zirconium orthosilicate together with free ZrO2, or by using a zirconium silicate having a ZrO2 content in excess of that present in the orthosilicate.  In the examples (1) a contact electrode is made by coating a soft steel core-wire with a mixture of CaF2, CaCO3, silicomanganese (Mn 70%, Si 20%, Fe 10%), ferrosilicon (Fe 55%, Si 45%), zirconium silicate, iron powder, sodium silicate and an organic pressing agent, the coating being dried at 350 DEG C. when the pressing agent decomposes; and (2) a free-arc electrode is made by coating a core-wire with a mixture containing the same components as in (1), but in different proportions and together with potassium silicate, and also drying at 350 DEG C.
Patent GB-268491-A (GB)
Title: Improvements in and connected with direction and stop signals for motor vehicles
IPC: B60Q1/38
Filed: 1926-02-03
Abstract: 268,491. Maddock, S. A. Feb. 3, 1926. Road-traffic signals on vehicles. - A switch device for selectively controlling the circuits of motor vehicle direction-indicating lamps comprises a plate fixed to the clutch pedal and carrying four sets of contacts which co-act with one set of contacts on a second plate slidably mounted upon the first plate. Fig. 2 shows a plan of the first plate A and Fig. 1 an underplan of the movable second plate B, the contacts a, b coacting with the four sets of contacts a<2>, b<2>, a<3>, b<3>, a4, b<4>, a<5>, b<5>. The two plates are coupled by a pivot bolt through hole d<1> and slot d, and a steel lug c on the underside of the plate B coacts with a gate t on plate A having notches p so arranged that when the lug c is positioned in the various notches the contacts a, b occupy corresponding positions relatively to the contacts a<2>, b<2>, a<3>, b3, &c.
Patent GB-582249-A (GB)
Title: Improvements in or relating to buildings and building blocks therefor
IPC: E04B2/10
Filed: 1944-02-21
Abstract: 582,249. Building blocks. AITCHISON, F. G. Feb. 21, 1944, No. 3192. [Classes 20 (iv) and 87 (i)] [Also in Groups XV, XXIII and XXX] A building block 1, Fig. 1, is provided with screw threaded passages 4, for engagment by screw threaded locking bars, and each passage is formed by a separately constructed tubular member 2 around which the block is moulded, cast or otherwise secured. The members 2 may be metallic, and each is flanged at its ends and may have also a flange intermediate its ends. In a building construction as shown in Fig. 1, the passages 4 are spaced a distance of one quarter the length of the block from each end of a block 1. Each locking bar 6 has a squared upper end to be engaged by a tool by means of which the bars are screwed half in the upper blocks and half in the lower blocks of two adjacent courses. In an alternative building construction as shown in Fig. 10, only the bottom course has screw threaded passages, and all the passages in the upper courses are plain. Each locking bar 62 has a screw threaded lower end 63 which engages a screw threaded passage in the bottom course, a screw threaded upper end 64 engaged by a locking nut 65 in a recess in the top course, and a plain middle portion.
Patent GB-756387-A (GB)
Title: An improved mechanism for producing intermittent feed of cinematograph film
IPC: G03B1/18
Filed: 1954-02-03
Abstract: 756,387. Kinematograph apparatus. DEPARTMENT OF SUPPLY, SECRETARY OF. Feb. 3, 1954 [Feb. 13, 1953], No. 3223/54. Class 97 (1). Intermittent film-feed mechanism comprises film sprockets, driven at equal peripheral speeds, before and after the gate, and means to vary inversely the sizes of the film loops between the sprockets and the gate. The form shown comprises continuously driven sprockets 5, 6 between which the film passes over rollers 7, 8, 9, 10 carried on frames 11, 12 reciprocated vertically in opposite phase by cams 15, 18. In one part of the cycle the movements of the rollers neutralizes the movement of the film at the gate 14 or, if desired, a residual movement, forwards or backwards, may. be produced. The film gate is preferably of the kind which grips the film when stationary. One of the roller carrying frames may be stationary. More than two such frames may be used. Specifications 194,031 and 217,292, [both in Class 97 (i)], are referred to.
Patent GB-746297-A (GB)
Title: Improved control system for variable-speed power transmission mechanism for motor vehicles
IPC: F16H47/08
Filed: 1954-02-03
Abstract: 746,297. Band brakes. GENERAL MOTORS CORPORATION. Feb. 3, 1954 [Feb. 6, 1953], No. 3227/54. Class 103 (1). [Also in Group XXIV] A band brake 31, Fig. 2, providing reaction for reduced drive in a two-speed and reverse planet gear (see Group XXIV) is engaged by supplying pumped liquid pressure in a chamber 64 to act on a piston 61. When, for upshift, the brake is to be disengaged and a direct-drive clutch engaged, the same fluid pressure which is supplied to engage that clutch is also supplied to a brake-disengaging chamber 65 where, acting on a larger piston 60 and assisted by a spring 63, it overcomes the equal engaging fluid pressure which acts continuously in the engaging chamber 64. A reverse brake-band 36, Fig. 3, which handles greater torque, is applied by a piston 73, acting through a toggle comprising a spring-released lever 76 pivoted to one end of the band and directly rocked by the piston 73 to rock a strut 81 acting on the other end of the band and loosely carried on a pin 84.
Patent GB-1424571-A (GB)
Title: 3,4-dihydrocarbostyril derivatives their preparation and pharmaceutical compositions thereof
IPC: A61P9/06
Filed: 1973-01-22
Abstract: 1424571 3,4-Dihydrocarbostyril derivatives OTSUKA PHARMACEUTICAL CO Ltd 22 Jan 1973 [13 April 1972 (2) 14 Sept 1972 (3) 2 Dec 1972 14 Dec 1972 21 Dec 1972] 3251/73 Heading C2C The invention comprises 3,4-dihydrocarbostyril derivatives of Formula (I)  and Formula (III) in which R<SP>1</SP> is hydrogen, a C 1 -C 2  alkyl group, a C 2 -C 4  alkenyl group or an aralkyl group, R<SP>2</SP> is hydrogen or a group -COR<SP>3</SP> in which R<SP>3</SP> is a C 1 -C 4  alkyl group, a phenyl group or a 3,4,5- trimethoxyphenyl group; and R' and R" are the same or different and separately represent hydrogen, a C 1 -C 4  alkyl group, a phenalkyl group or a cycloalkyl group or together with the nitrogen atom to which they are attached form a heterocyclic group which may have an oxygen atom or an additional nitrogen atom as a ring member and their acid addition salts. Those compounds of Formula III in which R<SP>1</SP> and R' are both hydrogen are excluded from the scope of the invention. Those compounds of Formula (I) in which R<SP>2</SP> is H may be prepared by reacting a compound of Formula (II) in which Z is -CHOHCH 2 Y (Y is halogen) or with an amine of formula  HNR'R" or (b) hydrogenating a compound of the general Formula (III) in the presence of a metal catalyst, e.g. nickel, palladium or platinum, and an organic solvent. When R<SP>2</SP> is a group -COR<SP>3</SP> the compounds may be obtained by acylating the hydroxy compound with an acylating agent R<SP>3</SP>COCl. The compounds of Formula III may be prepared by reacting a compound of Formula (VIIIa) in which X is a halogen, or a compound of Formula VIIIb with an amine of formula HNR'R". The products of Formulae (I) and (III) and their acid addition salts may be used as active agents in pharmaceutical compositions which may be produced in the form of tablets, powders or injectable solutions.
Patent GB-798268-A (GB)
Title: New or improved control means for transmission clutches
Inventor: EASTWOOD TOM
IPC: B62D11/08
Filed: 1956-02-02
Abstract: 798,268. Gearing for stopping and starting machinery. BROWN INDUSTRIES, Ltd., D. Jan. 25, 1957 [Feb. 2, 1956], No. 3258/56. Class 80 (2). To disengage the clutch of an agricultural tractor &c. a hand lever d is turned about its pivot e so that a roller g at its end moves along the cam surface h of a lever i, thereby turned about its pivot j to act through links o, p on the clutch throw-out fork c, the roller g finally entering a dwell point k in the lever i by which it is retained in the clutch disengaged position. The effective length of the link o may be adjusted to compensate for wear in the clutch, by means of nuts r.
Patent GB-981749-A (GB)
Title: Flowmetering
IPC: G01F1/64
Filed: 1963-01-25
Abstract: 981,749. Measuring fluid flow electrically; electric bridges; voltage measurement. BENDIX CORPORATION. Jan. 25, 1963 [Feb. 2, 1962], No. 3272/63. Headings G1N and G1U. A capacity transducer for measuring the rate of flow of a fluid through a pipe 10 (Fig.1) comprises a rigid, foraminated cup 28 and a flexible foraminated diaphragm 20 located facing each other in the fluid flow path, and it is shown that the capacitance between the elements 20, 28 is universely proportional to the square of the mass rate of flow from left to right, or inversely proportional to the square of the volumetric rate of flow from right to left. The capacitor formed by elements 20, 28 may be connected in the tank circuit of an oscillator whose frequency is therefore directly proportional to the mass or volumetric rate of flow. In one embodiment (Fig. 3), the transducer capacitor 52 is connected in a bridge circuit 50 whose unbalance output is amplified at 66 and rectified at 71 to feed a proportional D.C. potential to a semi-conductor junction diode 58 to vary its capacitance an rebalance the bridge. Thus the change in capacitance at 52 is repeated at 58 and also by a further junction diode 78 in the tank circuit of an oscillator 80 whose output frequency is thus indicative of the mass or volumetric rate of flow.