baber/WOPTO huggingface dataset:
Patent GB-1150475-A (GB)
Title: Derivatives of Methobottromycin and Amethobottromycin
IPC: C07G11/00
Filed: 1966-08-09
Abstract: 1,150,475. Amides of methobottromycin and amethobottromycin. MERCK & CO. Inc. 9 Aug., 1966 [16 Aug., 1965], No. 35536/66. Heading C2A. The invention comprises amides of methobottromycin, Specification 1,150,474, amethobottromycin, Specification 1,150,476, or mixtures thereof of general formula: M.CONRR<SP>1</SP>, wherein R and R<SP>1</SP> are each H, alkyl, cycloalkyl, hydroxylated alkyl, aryl, aralkyl or alkaryl, the alkyl groups containing 1 to 12 carbon atoms, or R and R<SP>1</SP> together with N is morpholinyl, 2- aminobenzimidazolyl or imidazolyl, and M is des-carbomethoxy-methobottromycin or descarbomethoxy-amethobottromycin. The amides are produced by reacting methobottromycin or amethobottromycin, which contain a methyl ester group, with an amine of formula HNRR<SP>1</SP>, wherein R<SP>1</SP> and R have the above meanings. Alternatively, the antibiotic methyl ester may be hydrolysed to the free acid and reacted with an amine of formula HNRR1 in the presence of bis-2,4-dinitrophenylcarbonate. In the first method, the amide is separated from the reaction mixture by partition chromatography on Celite (Registered Trade Mark) using capryl alcohol and phosphate buffer of pH 6À0, the active fractions concentrated, adjusted to pH 8À5 and extracted with chloroform. Typical amides are methylamide, ethylamide, n-propylamide, benzylamide, ethanolamide, aniline amide, benzylamide, ethanolamide, morpholine, imidazole and 2-aminobenzimidazole. Methobottromycin and amethobottromycin amides are used in the treatment of respiratory diseases in poultry and may be administered orally or subcutaneously.
Patent GB-1316534-A (GB)
Title: Method of and apparatus for erasing typed characters
IPC: B41J35/08
Filed: 1971-12-17
Abstract: 1316534 Error correction in typewriters INTERNATIONAL BUSINESS MACHINES CORP 17 Dec 1971 [30 Dec 1970] 35664/72 Divided out of 1316533 Heading B6F  The subject matter of the present Specification is identical with parent Specification 1,31,6533 but the claims are directed to a method of and apparatus for erasing a character by striking an adhesive ribbon against the record medium by means of the printing mechanism of a typewriter.
Patent GB-1113537-A (GB)
Title: An improved drawing instrument
IPC: B43L7/12
Filed: 1965-08-20
Abstract: 1,113,537. Rulers. M. W. FLOOD-PAGE. 19 Aug., 1966 [20 Aug., 1965], No. 35805/65. Heading B6P. [Also in Division G1] A drawing rule or scale comprises two rule elements 1, 2 connected by a linkage so that either parallel movement or angular movement between the elements may be obtained. Each element 1, 2 comprises two identical spaced apart sections which may be moulded from plastic material in one piece and have radiused ends 5 and detachable scales 6. The elements 1, 2 are connected by a linkage preferably of stainless steel and comprising two members 14, 15 joined by parallel links 17, the member 14 having a radiused end pivoted by a screw 23 to the radiused end of the element 1 and the member 15 being similarly pivoted to the element 2. The friction at the pivots is adjusted by the screws 23, so that for parallel movement, as shown in Fig. 2, the members 14, 15 remain stationary relative to their elements 1, 2. For angular movement, Fig. 6, the parts 1, 14, 15 are moved as a unit about the screw 23 in the element 2. By holding the member 15 stationary in the new position the element 1 can be moved parallel to itself. An end 26 of each scale 6 moves over a scale 25A on the radiused part 5 of the other element to indicate the angular movement. The device may thus be used for measuring angles. Associated with the radiused part of each member 14, 15 is a resilient projection which moves into holes spaced at 15 degrees in a washer attached to the radiused part 5, so that the members are positively held at angular positions to which they are set.
Patent GB-173166-A (GB)
Title: Manufacture of 1-chloro-2-amino-anthraquinone
IPC: C07C225/34
Filed: 1920-12-21
Abstract: 1-Chlor-2-aminoanthraquinone is prepared by chlorinating 2-aminoanthraquinone in the prepresence of a solvent such as acetic acid, nitrobenzene, or chlorbenzene.  Specification 172,682 is referred to.
Patent GB-1237575-A (GB)
Title: Process for the selective saturation of double bonds in steroids
IPC: C07J5/00
Filed: 1968-07-29
Abstract: 1,237,575. Conversion of #<SP>1,4</SP>-steroids into #<SP>4</SP>- steroids. CIBA-GEIGY A.G. 29 July, 1968 [28 July, 1967], No. 36042/68. Heading C2U. A 1,2 - saturated - 3 - oxo - 10 - methyl - #<SP>4</SP>- steroid is prepared from a 3-oxo-10-methyl- #<SP>1,4</SP>-steroid by treating it in an aprotic solvent at a temp. not exceeding +15‹ C. with an agent containing a di- or polycyclic aromatic radicalanion, then treating the reaction product at a temp. not exceeding +15‹C. with a proton donor, and isolating the thus-formed 1,2- saturated steroid. The agent containing a radical-anion may be prepared by reacting an alkali metal with a di- or polycyclic aromatic hydrocarbon in an aprotic solvent. Specified aromatic hydrocarbons are naphthalene, methylnaphthalenes, dimethylnaphthalenes, phenanthrene, diphenyl, terphenyl, anthracene, acenaphthene, stilbene and fluoranthrene. Specified alkali metals are Li, Na and K. Specified proton donors are water, ammonium chloride and acetic acid. The examples describe the preparation of 7α-methyl- 17,17-ethylenedioxyandrost-4-en-3-one and of 11α-hydroxy-20,20- ethylenedioxypregn-4-en-3-one.
Patent GB-429987-A (GB)
Title: Improvements in or relating to sound recording and reproduction devices
IPC: G11B5/127
Filed: 1934-12-17
Abstract: 429,987. Telegraphones. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. Dec. 17, 1934, No. 36166. Convention date, Dec. 23, 1933. [Class 40 (ii)] Leakage is reduced to a minimum in a magnetic sound recording or reproducing head by employ. ing a laminated sheet iron or compressed iron powder ring-shaped core 4 having an air gap 3 filled with insulating material, the core being surrounded by an audio current winding 5 which may also be supplied with direct current to bring the working point to a favourable position on the hysteresis loop. For cancelling and premagnetizing, a ring shaped permanent magnet 1 having an air gap 3 may also be provided as shown. According to a modification, Fig. 3, (not shown), a ring-shaped magnet may be provided on the other side of the carrier 2 and opposite the core 4 in which case the D.C. in winding 5 serves only for accurately regulating the working point determined by such magnet. Alternatively, the magnet may be provided with an adjustable magnetic shunt in which case no direct current is supplied to winding 5. If desired, a separate core carrying the D.C. winding may be arranged on the other side of the carrier opposite core 4, Fig. 2, (not shown). According to further modifications, the core is surrounded by a screen of magnetic material, preferably a highly permeable substance, Fig. 4, (not shown), or the winding 5 may be arranged on the side of the core at which the carrier runs on, Fig. 5, (not shown).
Patent GB-1043018-A (GB)
Title: Steroid-guanyl hyrazones
Inventor: MEYER KARL-HEINZ
IPC: C07J41/00
Filed: 1964-09-04
Abstract: The invention comprises guanylhydrazones of keto-steroids containing basic groups capable of acid addition salt formation, the guanylhydrazone moiety optionally containing a nitro- or b -pyrrolidinoethyl group, acid addition salts thereof, and their preparation by reaction of a keto-steroid with (a) aminoguanidine or an acid addition salt thereof, or (b) an S-alkylisothiosemicarbazide, followed by treatment with ammonia, or by (c) reaction of a guanylhydrazone containing a free carbonyl group with glucamine, or a Girard T reagent, or a substituted hydrazine, hydroxylamine, thiourea, isothiourea or guanidine, or (d) hydrogenation of a substituted imino-product to a substituted amino product.  Basic groups specified are substituted and unsubstituted amino groups, basic ethers, basic esters, basic acid amides and imides, basic sulphonamides, basic ureas, urethanes and thiourethanes, basic hydrazones, Schiff's bases, unsubstituted and substituted guanidines, basic semicarbazones and isothiosemicarbazones and heterocycles, which may also be linked to the steroid nucleus via a hetero-atom and/or an alkylene chain.  The compounds of the invention have cardiotonic activity.  Keto-steroid starting materials having basic ether groups at the 3,17 and 20 positions, are prepared by etherification using the appropriate basic alkyl halide.  3 - (g  - Dimethylaminopropyl) androsta - 3,5 dien - 17 - one and 20 - (g  - dimethylaminopropyl) - pregn - 5 - en - 20 - ol - 3 - one are prepared from the corresponding 3-one-17b -ol or 3-ol-20-one by a Grignard reaction, followed by Oppenauer oxidation of the 17- and 3hydroxy groups.  17b  - [N - Methyl - N - (31 - dimethylamino)propylamino-] - androst - 4 - en - 3 - one is prepared by Oppenauer oxidation of the corresponding 3b -ol.
Patent GB-1006182-A (GB)
Title: Improvements in wire ropes
IPC: D07B1/16
Filed: 1964-09-04
Abstract: 1,006,182. Wire ropes. A. DIETZ. Sept. 4, 1964, No. 36374/64. Heading D1T. The invention relates to wire ropes of the kind in which a plastic sheathing 14 penetrates in the form of dovetail-like extension 17 as far as a core 15 of the rope characterized in that the necessary spacing between the outer strands 12,13 in obtained by laying the strand 12, 13 in the gaps (not shown) between adjacent strands (not shown) at the outer periphery of the core 15. The sheathing may be coloured for the purpose of identification.
Patent GB-1241974-A (GB)
Title: Barium titanate, barium titanate compositions and preparation thereof
Inventor: WILSON WENDELL B
IPC: H01G4/12
Filed: 1968-07-31
Abstract: 1,241,974. Barium titanate; refractories. NATIONAL LEAD CO. 31 July, 1968 [31 July, 1967]. No. 36601/68. Headings C1A and CIJ. A calcined powder of barium titanate, having an average particle size of 0À5-2 Á, and an average crystallite size of 0À3-0À5 Á, with substantially all crystallites within the range 0À1-1À0 Á, and a BaO: TiO 2  mole ratio of 1À00- 1-02 may be prepared by forming a mixture of a finely divided BaO or BaO-forming material, a TiO 2  or a TiO 2 -forming material having an average particle size from 0À1 to 1.0 Á, and up to 0À5 mole per cent of a grain growth inhibitor, the BaO and TiO 2  materials being present in such an amount as to give a product with a mole ratio BaO: TiO 2  of 1À00-1À02, calcining at 1260-1370‹ C. for such a time as to form crystallites of the titanate of average size 0À3-0À5  Á, substantially all crystallites being within the range 0À1-1 Á, and comminuting the titanate to the required particle size without significant introduction of impurity Nb 2 O 5  may be used as the grain growth inhibitor. The powder may also include an oxide which shifts the Curie temperature, preferably an oxide which may replace the Ti in the titanate, e.g. ZrO 2 , SnO 2 , Sb 2 O 5 , Nb 2 O 5 , and the powder may also contain 2-7% bismuth oxide. In examples, various mixed oxides are added to the powder e.g. Bi 2 O 3 .3TiO 2 ; BaO.Sb 2 O 5 ; Bi 2 O 5 .Zro 2 ; BaSnO 3 ; BaZrO 3 ; PbO.Nb 2 O 5 ; BaO.Nb 2 O 5 . The powder may be compressed at superatmospheric pressure, and fired at normal atmospheric pressure, to give a shaped ceramic body.
Patent GB-928628-A (GB)
Title: Improvements in or relating to aerators for purification plants
Inventor: YONNER ANDRE
IPC: B01F3/04
Filed: 1961-10-12
Abstract: 928,628. Treating sewage. L. VON ROLL A.G. Oct. 12, 1961, No. 36732/61. Class 46. Air is supplied to the sewage treatment tank via container 3 and forces water down to level 12, enters through openings 8 the aeration boxes 7 and finally further oxygenates the sewage via opening 4. The density difference in box 7 causes sewage to circulate in the direction of the arrow and optimum movement is guided by baffles 16. The aerator is preferably located in the upper third of the tank.
Patent GB-784154-A (GB)
Title: Improvements relating to clips
Inventor: STRANGE JOHN
IPC: F16B2/24
Filed: 1954-12-20
Abstract: 784,154. Clips. SIMMONDS AEROCESSORIES. Ltd. March 16, 1956 [Dec. 20, 1954], No. 36766/54. Class 44 [Also in Group .X] A clip for holding a flexible strip T in a channel provided by a member M having an angular cross-section is bent from a single strip 2 of resilient material bent intermediate its ends to provide a pair of arms 7, 8, one of which is bent to provide two portions 9 and 12 lying at an angle one to the other and adapted to engage the member behind the channel while extending transversely to the length of the member past hole H therein, and the second arm 8 comprising a portion 10 reversely bent from the first arm 7 and adapted to be moved towards the first arm and a free end portion 4 terminating in a hook 5, whereby when the first arm engages the member M and pressure is applied to the reversely bent portion 10 of the second arm, the free end portion is moved through the hole to bring the hook away from the interior of the channel to enable the strip T to be inserted into the channel with a part of the strip beneath the hook and on release of the pressure the hook springs back to hold the strip against the bottom of the channel. As shown the strip 2 is formed from a blank which is stamped from a continuous strip, a pair of fingers 4 of the blank being formed by stamping the tongue 3 from the succeeding blank. In assembling the clip to the member M, the pointed tips of the hook 5 penetrate the strip T to hold the latter in the channel. The arm 7 is bowed in cross-section to enable it to resist flexure. In a modification, Figs. 5 and 6 (not shown). the channel member is of rounded V-cross-section and the hook at the end of the arm 8 faces towards the free end of the arm 7.
Patent GB-1493246-A (GB)
Title: Engines
IPC: F01L13/00
Filed: 1975-08-19
Abstract: 1493246 Hydraulic tappets ROLLS-ROYCE MOTORS Ltd 19 Aug 1975 [22 Aug 1974] 36850/74 Heading F2K [Also in Division F1] Valve lift may be varied in an I.C. engine in dependence upon engine speed or load, by providing in the valve-operating gear between a cam-shaft 5 and a valve 4, an hydraulic tappet 1, 2, 3 and a plunger 7 to vary the tappet length (by forcing oil between parts 1, 2) operated by an additional cam-shaft 9. The hydraulic tappet 1, 2, 3 may be located directly between the cam-shaft 5 and valve stem 4, or may be located between a cam-shaft and a push-rod (not shown). To operate the plunger 7 the additional cam-shaft 9 may be axially shiftable to bring a cam 8 into engagement therewith. Several plungers (not shown) and severed cam surfaces or a complex cam surface can be employed to provided incremental changes in valve lift with increasing engine speed. Alternatively a lever 27 (Fig. 4) may operate a plunger 25 from the cam-shaft 31, the lever 27 having a variable fulcrum, the position of which is determined by engine speed or load by moving a further lever 30.
Patent GB-852335-A (GB)
Title: Improvements in or relating to hinges
IPC: E05D15/00
Filed: 1956-12-04
Abstract: 852,335. Hinges and pivots; stays. WHEELDON & SONS Ltd., J., and WHEELDON, A. L. D. May 17, 1957 [Dec. 4, 1956], No. 37024/56. Classes 65(1) and 65(2). In a hinge comprising a plate 10 for fixture to a window frame and a plate 19 for fixture to the sash, the plates being connected by a pivotal link 22 and one end of the plate 19 being slidably connected to the plate 10, the plate 10 is made in two aligned parts the part 13 being thicker than the part 12 and forming an abutment 28 to limit the sliding movement of the plate 19. The part 12 has two integral flanges 14 forming an undercut guide channel, and the end of the plate 19 is pivotally mounted on a slide 15 which has a length greater than its width and is of inverted U cross-section with out-turned portions 17 at the ends of its limbs which engage beneath the flanges. Friction discs may be disposed between the ends of the link and the plates 10 and 19, or friction surfaces may be provided on the slide. Alternatively, the slide may carry a lug yieldingly mounted to engage notches in the plate 10, or the lug may be pressed into engagement with the notches by the weight of the open window. In a modification, the part 13 is shorter than the part 12 and the link 22 to enable the sash to open through more than 90 degrees. In another modification, the part 13 comprises two portions pivoted together so that one portion can serve as an extension of the link, this also enabling the sash to open through more than a right angle. Specifications 852,336 and 852,337 are referred to.
Patent GB-1095619-A (GB)
Title: Improvements in or relating to electrical socket connectors
Inventor: LANGHAM JACK KENNETH
IPC: H01R12/18
Filed: 1966-08-18
Abstract: 1,095,619. Two-part couplings. TELEPHONE MANUFACTURING CO. Ltd. Aug. 18, 1966, No. 37088/66. Heading H2E. In a socket connector comprising a moulded insulating block 10 with one or more contacthousing cavities 11, a pair of opposite walls of each cavity are formed with longitudinal ribs 22 each with a lead-in surface 13 for a mating contact blade. Each contact 25 of the connector comprises a folded metal strip with opposed bifurcated end portions which each straddle a rib 12, the contacts 25 being retained by engaging shoulders and by tag portions 26 which are twisted externally of the block 10.
Patent GB-795704-A (GB)
Title: A device for directing air to the carburetor of an outboard motor and for lowering the noise of the motor
IPC: F02M35/12
Filed: 1955-12-30
Abstract: 795,704. Air intake silencers. JOHNSON, H. R. Dec. 30, 1955 [April 28, 1955], No. 37407/55. Class 7(2) A device for directing air to a carburetter comprises a casing having an upper chamber, two air intakes one at each end of the chamber and a horn depending centrally from the chamber, one wall of the horn having an opening through which air from the two intakes may pass to the carburetter and solid baffle means transverse to the general direction of air flow from the intakes and adapted to maintain the air stream coming from one intake separate from the air stream coming from the other intake and to direct both streams into the horn, muffle means being provided between the baffle means and each of the intakes. As shown, the air intake silencer comprises intakes 17, 18 leading to a chamber 10. The chamber is divided into two by a partition 34. The air passes through the chamber and down into a central horn 14 and from the horn it passes through the opening 36 to the carburetter of an outboard motor. Muffle baffles 27 to 32 are located in the chamber. Fig. 5 shows one form of muffle baffle. The two sections of the casing may be permanently secured
Patent GB-1206740-A (GB)
Title: Process for the improvement of the stability of polychloroprene rubbers
Inventor: HEGER ADOLF
IPC: B29C71/04
Filed: 1969-07-28
Abstract: 1,206,740. Seals for refrigerators. KAUTASIT. VEB. 28 July, 1969, No. 37695/69. Heading C3P. Articles, particularly seals for refrigerators, are made by chemically cross-linking polychloroprene rubber in a conventional manner and then irradiating to a dosage of 2 to 4 x 10<SP>7</SP> rad.
Patent GB-1438006-A (GB)
Title: Method and apparatus for demolishing a consolidated and hardened body of ore powder
IPC: B65G69/14
Filed: 1973-08-09
Abstract: 1438006 Breaking solidified material in ships holds KOBE STEEL Ltd 9 Aug 1973 [9 Aug 1972] 37802/73 Heading B8E Means are provided to break up solidified material, formed from dried ore slurry, in a ships hold to facilitate unloading. In Fig. 1, a chain 3 is passed from a fixed point on the deck 5 to a winch 6 and is buried during loading so that on tightening the chain 3 by the winch 6 it moves to break up the solidified material 1. The chain may be replaced by wires which may have anchors attached and a series of wires or chains longitudinally and transversely of the hold at different heights may be provided. In Fig. 5 the hold sides are lined by expansible bags 4 which by a high pressure pump 1 may be caused to expand moving inwards to cause the material 7 to be forced from the walls thus breaking it up for unloading.
Patent GB-358804-A (GB)
Title: Apparatus for delivering measured quantities of liquid
IPC: B67D7/64
Filed: 1930-12-15
Abstract: 358,804. Delivering measured quantities of oil &c. HUBER, P., 7, Nebelbachstrasse, Zurich, Switzerland. Dec. 15, 1930, No. 37831. [Class 106 (v).] Compressed air acting through pipes 5, 6 on the liquid in one of the tanks 3, 4 forces liquid into a glass cylinder 13. On the reversal of the valve 9, an amount equal to that in the chamber 13 below the piston 14 is forced through the pipe 17 and delivered through the nozzle valve 18. During the filling operation the space above the piston 14 is in communication with the atmosphere by the pipe 32, and passages 52, 54 in the valve and its casing, respectively. On reversal the passage 52 connects the same space and the pipe 32 with the compressed air pipe 39. The rise of the piston is limited by adjustable stops consisting of a cross member depending from a rotatable cap, the cross member being caused to engage slots of varying length in the wall of the casing. An external indication as to the amount deliverable is provided. The stem of the valve 18 is provided with a plate 24 between which and the casing there is a spring 25. A sleeve 22, under the pressure of a spring 21, surrounds the valve stem, and is movable thereon between the plate 24 and a shoulder 43. A ball clutch 27, engaging in one of the annular grooves 30, is situated at the upper end of the stem. Slight pressure within the pipe 17, such as that due to bending, is taken up by the sleeve 22 without opening the valve 18. A handle 44 may be used for screwing down the valve.
Patent GB-344888-A (GB)
Title: Improvements relating to coin-freed automatic machines and the like
IPC: G07F11/12
Filed: 1929-12-11
Abstract: 344,888. Coin-freed apparatus. SALTER & CO., Ltd., G. and BACHE, T. W., 144, High Street, West Bromwich. Dec. 11, 1929, No. 37949. [Class 27.] Delivery of articles stored in piles; storage.-Articles are stored in two piles 1, 2, Fig. 3, in a magazine 3, the pile 2 being disposed in a frame 8 which has two bars 10, 10a slidable in horizontal slots 11 in the magazine 3, so that, when the articles of the pile 1 are nearly exhausted, the pile 2 is moved forwardlv into their place. The frame 8 is moved forwardly, when a catch device is released, by a pair of springs 16 connected to the frame and to the short arms 15 of bellcrank levers 13, 15, the long arms 13 of which are connected to the bar 10. The short arms 13 are also connected by links 17 to the short arms of other bell-crank levers, the long arms of which are connected to the bar 10a. The catch device comprises a pair of slidable vertical rods 22, each jointed to a lever 24 and normally located with its upper end obstructing a projection on the end of the bar 10a. The levers 24 are pivoted at 25 and have their front ends formed by a cross-bar 27 on to which a roller or ball 32, arranged on top of the pile 1, drops to release the catch. The roller has trunnions 33 engaging flanges 3a on the magazine 3, the flanges being gapped at 34 near their lower ends to allow the roller to pass on to the catch. The bottom 31 of the recess in the delivery drawer 7 is inclined so that the packets 1a of the pile 1 become slightly tilted to ensure that the roller 32 will roll forwards on to the catch.