baber/WOPTO huggingface dataset:
Patent GB-604179-A (GB)
Title: Improvements in or relating to thiouracils and preparation of same
Filed: 1946-05-24
Abstract: 6-Propyl or -isopropyl-2-thiouracils are obtained by mixing together in an anhydrous solvent thioura and a suitable b -oxocaproate or g -methyl-b -oxovalerate depending upon the desired alkyl group in the thiouracil, and heating the mixture. Suitable solvents are ethyl alcohol, methyl alcohol dioxane, Carbitol "Cellosolve" (Registered Trade Mark) and pyridine.  In examples: (1) thiourea is heated with ethyl-b -oxocaproate in the presence of sodium ethylate to produce 6-n-propyl-2-thiouracil; (2) thiourea is heated with g -methyl-b -oxovalerate in the presence of sodium ethylate to produce 6-isopropyl-2-thiouracil.
Patent GB-936093-A (GB)
Title: Electrically insulating caps
Inventor: EMERY EDGAR FRANK
IPC: H01R4/70
Filed: 1961-05-02
Abstract: 936,093. Insulating terminals. INSULOID MANUFACTURING CO. Ltd. April 30, 1962 [May 2, 1961], No. 15800/61. Class 38 (1). [Also in Group XXV] Electrical contact between two conductor elements 32, 33 is made by a washer 36 in cutaway portions of insulating sleeves 34, 35 on the elements, while the head 37a of a bolt and a nut 38 by which the elements are connected are each covered by a cap 31, e.g. of nylon or polyvinyl chloride (see Group XXV), locked on to the head or nut by at least one cam surface in the cap.
Patent GB-1367735-A (GB)
Title: Steroidal silyl ethers
IPC: C07J75/00
Filed: 1972-04-06
Abstract: 1367735 Silyl ethers of 11-alkyl-3-hydroxyestratrienes G D SEARLE & CO 6 April 1972 [7 April 1971] 15838/72 Heading C2U [Also in Division A5] Novel steroids of the formula (wherein R is H or a trialkylsilyl radical; R<SP>1</SP> is a C 1-3  alkyl radical; and the alkynyl radical contains 2-7 carbon atoms) are prepared (i) when R is trialkylsilyl, by silylating the compounds wherein R is H or corresponding 3-ols, the compounds wherein R is H being in turn prepared by alkynylation of the corresponding 17-ones or by silylation in the 3-position only of corresponding 3-ols. Starting materials of the formula are prepared by silylation of the corresponding 3-ols. 11# - Ethyl - 17α - ethynylestra - 1,3,5(10)- triene - 3,17# - diol is prepared by oxidizing 3 - benzyloxy - 11 - hydroxy - estra - 1,3,5(10)- trien - 17 - one 17 - ethylene ketal (prepared by benzylation of the corresponding 3,11-diol) to the corresponding 11-one, reacting this with C 2 H 5 MgBr to give the corresponding 11#-ethyl- 11α-ol, refluxing this with concentrated hydrochloric acid in ethanol to give 3-benzyloxy- 11 - ethylestra - 1,3,5(10),9(11) - tetraen - 17- one, hydrogenating this to 11#-ethyl-3-hydroxyestra - 1,3,5(10) - trien - 17 - one and alkynylating this. 17α-Ethynyl-11#-(n-propyl)estra-1,3,5- (10) - triene - 3,17# - diol is prepared by reacting 3 - benzyloxy - 17# - hydroxy - estra - 1,3,5(10)- trien - 11 - one (prepared by benzylation of the 3,17 - diol) with allyl magnesium bromide to give 11 - allyl - 3 - benzyloxyestra - 1,3,5(10)- trien - 11,17# - diol, treating this with formic acid to give 11-allyl-3-benzyloxyestra-1,3,5(10),9- (11) - tetraen - 17# - ol 17 - formate, oxidizing this to the corresponding 17-one, hydrogenating this to 3 - hydroxy - 11# - (n - propyl) - estra- 1,3,5(10)-trien-17-one and ethynylating this. The novel steroids have use as chemosterilants for the control of nuisance animal populations, for which purpose they are conveniently incorporated in a bait containing an edible carrier. They may also be made up into pharmaceutical compositions with suitable carriers and used for their estrogenic, anti-fertility and pituitary inhibitory properties.
Patent GB-593978-A (GB)
Title: Hammer mills
IPC: B02C13/00
Filed: 1945-06-21
Abstract: 593,978. Hammer mills. JOHNSTON, H. M. June 21, 1945, No. 15842. [Class 59] A hammer mill comprises a circular housing 12, 19, a shaft 31 rotatably mounted in the side walls 10, 11 and carrying a grinding rotor 43 operating within a removable screen 39 and a fixed partition 36, a feed outlet 56 in the housing wall, a feed inlet 60 in the side wall 10, extending upwardly from the screen 39 to the shaft bearing, a chamber 61 surrounding this inlet and having an inlet trough 67 on one side and having crusher arms 91 operating therein mounted on an extension of the shaft 31 and co-operating with fixed crusher blades to break and crush roughage material fed to the mill. The crush bars 91 are arranged to raise the incoming roughage and force it against the top of the crusher blades extending inwardly and downwardly from the side of the chamber. Fan blades 47 mounted on fan arms 46 operate between the screen 39 and the housing extracting the ground feed from within the screen and discharging it through the outlet 56. The feed trough 67 is provided with a regulating gate valve and a closure 82 is provided in the chamber with a hand-controlled air inlet 84.
Patent GB-688401-A (GB)
Title: Pressure relief valve or device applicable to fuel gas mains
IPC: C10B27/06
Filed: 1950-06-26
Abstract: 688,401. Valves. ALLIED CHEMICAL & DYE CORPORATION. June 26, 1950 [Oct. 12, 1949], No. 15844/50. Class 135. A pressure relief valve, e.g. for a gas main, comprises a body 5, closed by a plate 6 carried on a pair of arms 8, pivoted at one end to lugs 7 and carrying at the other end a roller 28 engaging a cam lever 23 pivoted to lugs 22, and a spring 29 urging the plate to closed position. With the plate closing the body, the roller rests in a recess 34 on the cam which provides a resistance to opening movement of the plate 6, in addition to that of the spring. Thus, a relatively high pressure, e.g. 7 p.s.i., is required on the plate to move the roller out of the recess, but once out it moves against a stop 30 and the pressure is relieved through the open valve. The closing force is then that due only to the spring and hence the plate will not move to close the body until the pressure in the body is reduced to a value less than the opening pressure, e.g. to 1 p.s.i.
Patent GB-160702-A (GB)
Title: Improvements in the manufacture of table cutlery
IPC: B21D53/64
Filed: 1920-06-12
Abstract: 160,702. Stephens, R. B. June 12, 1920. Fixing by tangs of special form; metal handles.-The tang band the blade a are formed in one from flat steel, and the tang is slotted or perforated as at d or e. The handle f and bolster g are then cast on the tang from molten aluminium or other suitable metal, and the required shape or finish is given by subsequently pressing in dies.
Patent GB-586128-A (GB)
Title: Method and apparatus for treating gaseous bodies
IPC: C11B1/10
Filed: 1943-09-28
Abstract: <PICT:0586128/III/1> An adsorption apparatus for treating gaseous bodies, particularly for the recovery of solvents and other vapours therefrom or the purification or deodorization thereof, of which one embodiment is shown in horizontal section in Fig. 2, comprises a closed vessel having a plurality of (e.g., five) perpendicularly positioned radially arranged beds of adsorbent, 13a, 13b, 13c, 13d and 13e, therein, partition walls, 16a, 16b, 16c, 16d and 16e, radially positioned between said beds, inlet means, 12b, 12d, 12f, 12h and 12j, for introducing a gaseous body to be treated in contact with said holes, outlet means, 12a, 12c, 12e, 12g, 12i, for withdrawing treated gas therefrom, inlet means, 18a, 18b, 18c, 18d and 18e, for introducing desorption fluid, e.g., steam, in contact with said beds, outlet means, 19a, 19b, 19c, 19d and 19e, for withdrawing products of desorption, inlet means (coinciding in the Figure with those for the gaseous body to be treated) for warm and cold air for drying and cooling each bed after desorption, and means for opening and closing the inlet and outlet means as required, e.g., so as to operate overlapping cycle in which, at any given time, a selected number (e.g., two) of said beds is effecting adsorption, one is undergoing desorption, one drying and cooling, and one remains idle in the interval between its use for adsorption and its treatment with the desorption fluid.  In the preferred embodiment, the adsorber beds and partition walls are arranged between a cylindrical shell and concentric hollow cylindrical member 20 into which condensate which accumulates during steaming may be run through drains, 22a, 22b, 22c, 22d, and 22e.  The adsorbent employed is preferably active carbon, or may be silica gel, activated alumina or activated bauxite.  The apparatus may be used for extracting gasoline from natural gas, alcohol from fermentation carbon dioxide or solvent vapours from air mixture, in which case the distillate from the desorption step is passed through a suitable condenser to condense these vapours.  The Specification as open to inspection under Sect. 91 comprises also a method of removing adsorbable matter from a gaseous body by passing it through adsorbent material until a predetermined amount of adsorption has occurred, maintaining the adsorbent material in statu quo for one-half the time of adsorption, passing desorption fluid through the adsorbent material to regenerate it, maintaining it in statu quo for one-fourth of the time of desorption, and drying and cooling the regenerated adsorbent material.  This subject-matter does not appear in the Specification as accepted.
Patent GB-292099-A (GB)
Title: Improvements in or relating to the sterilising of water
IPC: C02F1/64
Filed: 1928-05-31
Abstract: 292,099. Adler, O., and Adler, R. June 13, 1927, [Convention date]. Addition to 286,338. Purifying liquids.-In the process of de-chlorinating water by passing it through or over coarse pieces of carbonaceous material, as described in the parent Specification, the water is first caused to flow over substances insoluble in water, resistant to free chlorine and having the property, in the presence of chlorine, of precipitating and retaining salts of iron, manganese, and other heavy metals. Manganese peroxide, manganous acid, ferric oxide, and the carbonates of the alkaline earths are mentioned as suitable substances. They can be used in pulverulent or granular form, or precipitated on solid bodies, such as sand, pumice stone, tuff, or natural or artificial zeolite. They may be mixed with the porous material, used, in the process of the parent Specification, to obstruct the passage of bacilli. The compounds of the heavy metals retained by the substances may be removed from time to time bv a reverse flow of water. The precipitation of the salts of the heavy metals tends to increase the hydrogenion concentration and, to neutralize this, materials, such as limestone, chalk, marble, or bauxite may be mixed with the carbonaceous matter, or the water may be caused to flow through such materials after passing through the carbonaceous matter.
Patent GB-1217045-A (GB)
Title: Supercharged two-stroke internal combustion engine
Inventor: PETAK HELMUT
IPC: F02B37/02
Filed: 1968-04-03
Abstract: 1,217,045. Two-stroke multi-cylinder supercharged engines. SULZER BROS. Ltd. April 3, 1968 [April 5, 1967], No. 16053/68. Heading F1B The cylinders of a two-stroke supercharged engine are arranged in groups of not more than three cylinders the timing cycles of which are spaced apart by at least 90 degrees, the cylinders of each group being connected to a separate exhaust gas receiver which is connected to the turbine of a supercharger. In the eight-cylinder engine of Fig. 1, cylinders 1 ... 3 and 7 ... 8 are connected to receivers 23, 25, and cylinders 4 and 5 to a receiver 24. Receiver 23 has an outlet 29 to a turbine 28 and outlet pipes 30, 31 of the receivers 24, 25, pass through the receiver 23 and discharge into the outlet 29. The pipes 30, 31, are of semicircular cross-section. In a modification, Fig. 2 (not shown) the end receivers (46), (48), are connected to separate turbines (41), (43), and the middle receiver 47 discharges into both turbines. Arrangements are shown for engines with 5, 6, 7, 8, 9, 10 and 12 cylinders. In the 5 and 7 cylinder engines the cylinders are arranged in two groups of 2 or 3 cylinders, Fig. 8, and the middle cylinder discharges into both receivers.
Patent GB-329848-A (GB)
Title: Wrench
IPC: B25B13/28
Filed: 1929-05-27
Abstract: 329,848. McKibbon, J. S. May 27, 1929. Pivoted-jaw wrenches.-The movable jaw of a wrench is pivoted to the fixed jaw in such a manner that it automatically assumes a retracted position when in operation by which means the jaws are brought closer together and prevented from slipping on the work, the adjusting elements being totally enclosed to exclude dirt and grease. The pivot 12 bears two diametrically opposed pins 17 and 1H fitting loosely into corresponding seats on the jaws. The jaws are adjusted by an internally screwed sleeve 20, and right and left hand screws 21. The recesses for the screws are closed by members such as 26 which may be welded in place. The position is maintained by a spring 29. A spring 13 normally maintains the lower jaw in an advanced position with the shoulders 5 and 9 in contact. When the wrench is brought into operation. the lower jaw is retracted until further motion is prevented by the socket 4, the shape of surfaces 3 and 4 being such that the jaws are brought nearer together while remaining substantially parallel, change in angularity of the spindle 20 also drawing them together. Jaw faces.-The jaws are. shaped at 31 to engage nuts &c. and at 32 to grip pipes &c.
Patent GB-1269225-A (GB)
Title: Delta9(11)-STEROIDS
IPC: C12P33/00
Filed: 1969-03-28
Abstract: 1,269,225. #<SP>9(11)</SP>-Steroids. E. R. SQUIBB & SONS Inc. 28 March, 1969 [2 April, 1968], No. 16336/69. Heading C2U. Compounds of Formula VII (wherein Y is a single or double bond, Ac is C 1-12  acyl, P is H, C 1-8  alkyl, C 1-8  haloalkyl, C 3-6  cycloalkyl, C 3-6  cycloalkyl - C 1-8  alkyl, " aryl " or " aryl "-C 1-8  alkyl, and Q is C 1-8  alkyl, C 1-8  haloalkyl, " aryl " or " aryl "-C 1-8  alkyl (" aryl " signifying optionally substituted phenyl), or P, Q and the intervening carbon atom together form C 3-6  cycloalkylidene) are prepared from compounds of Formula I by the successive steps of (i) microbial 11α- hydroxylation, (ii) acylation of the 21-hydroxy group, (iii) mesylation of 11α-hydroxy group, and (iv) elumination of MeSO 3 H to introduce #<SP>9(11)</SP>-unsaturation. Compounds VII are interconvertible by 1,2-dehydrogenation (e.g. with DDQ) of the 1,2-saturated compounds. Acetals and ketals of triancinolone and 1,2. dihydro derivatives thereof are obtainable from compounds VII by effecting the conversions: #<SP>9(11)</SP> # 9α - bromo - 11# - hydroxy # 9#,11# - epoxy # 9α - fluoro - 11# - hydroxy, followed by hydrolysis of the 21-acyloxy group. Compounds of Formula I are prepared by acetalization of 16α - hydroxycortexolone followed, when required, by 1,2-dehydrogenation (which may be effected after 21-acylation).
Patent GB-880362-A (GB)
Title: Improvements in or relating to steroid compounds
IPC: C07J75/00
Filed: 1958-05-21
Abstract: The invention comprises 19-nor-cholesterol and esters thereof such as the 3,5-dinitrobenzoate thereof, 19-nor-3-acetoxy-D 3,5-cholestadiene, 19-nor-cholestene-3-one, 19-nor-3-methoxy-D 2,5(10)-cholestadiene, ethers of 19 - nor - 3 hydroxy - D 1,3,5(10)-cholestatriene, and a process for the production of 19-nor-cholesterol by reducing an enol ester of 19-nor-cholesterone, e.g. 19-nor-3-acetoxy-D ,3-5cholestadiene, with an alkali metal borohydride.  The above process may be modified in that the 19-nor-cholesterone from which the enol ester is derived is obtained by treating 19-nor-3-hydroxy-D 2,5(10)-cholestadiene ether such as the methyl ether with mineral acid such as hydrochloric acid in methanol, and the latter compound may be prepared by reducing 19-nor-3-hydroxy-D 1,3,5(10)-cholestatriene ether by the Birch method with lithium and ammonia.  The 19-nor-cholesterol prepared by the above process may be purified by conversion to the 3,5-dinitro-benzoate thereof and subsequent saponification.  The ethers of 19-nor-3-hydroxy-D 1,3,5(10)-cholestatriene may be prepared by etherifying the free 3-hydroxy compound e.g. by means of dimethyl sulphate or diazomethane to form the 3-methyl ether.  The enol esters of 19-nor-cholestone may be prepared by reacting 19-nor-cholesterone with a mixture of an acid chloride and an acid anhydride such as acetyl chloride and acetic anhydride.  Detailed examples are given.
Patent GB-312917-A (GB)
Title: Process for refining nickel, copper, and copper-nickel alloys
IPC: C22B9/05
Filed: 1929-05-29
Abstract: 312,917. Clerc, H. J. M. E. June 1, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Dry processes of refining copper and nickel; alloys.-Copper, nickel, and copper-nickel alloys are refined by causing chlorine to act on the molten metal. A stream of chlorine may be passed through the metal. which may be covered with a layer of a chloride such as calcium chloride; or the stream of chlorine may carry with it a volatile chloride; or the metal may be blown with oxygen in the presence of a chloride.
Patent GB-1421713-A (GB)
Title: Treating pigments for thermoplastics
IPC: C09D7/00
Filed: 1974-04-16
Abstract: 1421713 Treating pigments KARL FINKE oHG 16 April 1974 [13 April 1973] 16578/74 Heading C4A A particulate pigment for pigmenting thermoplastics is treated by impregnating the pigment with one or more sorbitane and/or sorbitol tensides, the resulting pigment being a flowable particulate pigment having a tenside content of 5-40% by weight. Up to 50% by weight of the sorbitane and/or sorbitol tenside(s) may be replaced by at least one other tenside, weight for weight. Before impregnation a softening or plasticizing agent for thermoplastics may be added to the tenside(s), the agent constituting up to 10% by weight of the resulting mixture. The examples disclose impregnating agents comprising sorbitane triol, polyoxyethylene sorbitane trioleate, sorbitane monoleate, polyoxyethylene sorbitol hexaoleate, polyoxyethylene stearate, polyoxyethylene laurate, dioctyladipate, polyoxyethylene sorbitol, tricresylphosphate and alkylsulphonates and treated pigments comprising TiO 2 , cadmium yellow, sorbitane monoleate, polyoxyethylene laurate, light navy, polyoxyethylene sorbitol hexaoleate, polyoxyethylene stearylether, tricresyl phosphate, manganese blue, sorbitane tristearate and polyoxyethylene stearate.
Patent GB-1425238-A (GB)
Title: Azetidine n-oxides
IPC: C07D205/04
Filed: 1973-04-06
Abstract: 1425238 Azetidine N-oxides TEIKOKU HORMONE MFG CO Ltd 6 April 1973 [10 April 1972 (2) 14 March 1973] 16593/73 Heading C2C Azetidine N-oxides of the general formula or their hydrogen peroxide salts or hydrates, are prepared by oxidizing compounds of general formula wherein R is a saturated or unsaturated substituted or unsubstituted hydrocarbyl group, R 1  is a substituent which is stable to the oxidation, n=0, 1, 2 or 3, and, when n=2 or 3, the R 1  groups may be the same or different. Particular azetidine N-oxides have the general formula wherein Z is an alkyl or aralkyl group and Y is a hydrogen atom or a substituent which is stable to the oxidation. Azetidine N-oxides of the first formula above, or their hydrogen peroxide salts or hydrates, in which R is a saturated or unsaturated substituted or unsubstituted hydrocarbyl group of 1 to 30 carbon atoms and R 1  is a halogen atom or an oxo, alkyl, alkoxy, alkoxyalkyl, alkoxyalkoxy, aryl, aryloxy, aralkyl, aralkoxy, acyloxy, alkoxycarbonyl, aroyloxycarbonyl, aralkoxycarbonyl or organic sulphonyloxy group are claimed as novel. The compounds can be prepared using conventional oxidizing agents.
Patent GB-493568-A (GB)
Title: Improvements in or relating to loose leaf bindings
IPC: B42F13/00
Filed: 1937-06-15
Abstract: 493,568. Loose-leaf binders. KEENE, J. A. June 15, 1937, No. 16654. [Class 146 (i)] Mechanism for locking the ends of filing posts 18, 19 in looseleaf binders comprises locking bars 11, 12 slidably mounted in one of the clamping-bars 3 and independently spring-urged into engagement with grooves near the ends of the posts, the locking bars being moved to releasing position by a member arranged between adjacent ends of the bars so that movement of the member causes displacement of the bars in opposite directions. The bars 11, 12 which are slotted at 24, 25 to receive the post ends slide in a flanged guide 8 secured within the clamping-bar 3, and each has a spring 20, 21 respectively attached thereto, the other end of which is fastened to the guide 8. A cam or wedgeshaped member 15 engages the adjacent tapered ends of the bars 11, 12 and has an operating knob 17 projecting from a flattened part 37 of the bar 3 so that by sliding the member 15 laterally of the guide 8 the locking bars are moved out of engagement with the posts to release the bar 3 therefrom. A keyoperated device may be provided to engage the operating knob and prevent release of the bars 11, 12. The clamping-bars 3 and back of the binder are constructed as described in Specification 493,598.
Patent GB-497483-A (GB)
Title: Improvements in and relating to machines for roughening the surface of bricks, building blocks or the like
IPC: B28B11/08
Filed: 1937-06-15
Abstract: 497,483. Roughening bricks &c. SHORROCK, R. T. L. June 15, 1937, No. 16656. [Class 87 (i)] Bricks &c. are rusticated by feeding them forward in two angularly different directions past combs which make angular and axial movements with respect to a vertical axis. The bricks 9 are fed by a reciprocating pusher 11 past combs 15, 14 carried by a tool 10 and are then fed at right-angles by a second pusher 18 past combs 20, 21, thus scoring the stretcher and header faces. The pusher 11 is actuated by a depending slotted arm 22 which engages a pin 26 on a wheel 25 driven from the shaft 29 which is geared to the main drive shaft 31. The other pusher 18 is similarly operated. The pin 26 is radially adjustable on the wheel 25 to vary the throw of the pusher. Leaf springs such as 59 are provided for holding down the bricks being treated and a guide plate is provided to hold the bricks against the tool 10. Alternatively two sets of tools may be provided to score both sides of the brick. The tool 10 comprises a body 45 carrying the combs 14, 15, 20, 21 and mounted on a vertical spindle 49. The tool is reciprocated axially by a cam 54 acting against a spring 56, Fig. 3, and is rocked angularly about the spindle 49 by cams 53 alternately engaging plates 52. The cams are mounted on a shaft 55 driven from the main shaft 31. In a modification, Fig. 6, the tool 10 is replaced by two sets of tools each comprising combs 60, 61 and a brush 64. The tools are rotatably driven by friction cams 69 which also impart a vertical reciprocation.
Patent GB-984927-A (GB)
Title: Improvements in or relating to closure devices for bottles
Inventor: RAZZELL FREDERICK GEORGE
IPC: B65D51/24
Filed: 1960-05-11
Abstract: 984,927. Bottle caps. ASPRO-NICHOLAS Ltd. May 9, 1961 [May 11, 1960], No. 16681/60. Heading B8T. A screw-on or pushon bottle cap 1 is formed with an exterior recess 4 adapted to removably retain a deformable insert 6, forming e.g. a gift token, in the exterior of the cap top. The recess has indentations 8 to facilitate removal by tilting &c. of the insert. The cap is preferably of metal or synthetic plastics material, and may have a lip at the top of the wall 5 to assist token retention.
Patent GB-908350-A (GB)
Title: Improvements in or relating to exothermically reacting shaped products
Inventor: CHERRY GEORGE JOSEPH NALL
IPC: B22D7/10
Filed: 1959-05-15
Abstract: 908,350. Heat-treating metals. FOUNDRY SERVICES Ltd. April 29, 1960 [May 15, 1959], No. 16814/59. Class 72. [Also in Group XXII] A sleeve for use in the stress annealing of welds is made up of a plurality of strips, each of which has one edge concavely curved and an opposite edge convexly curved, the strips or at least a layer of such strips being formed of exothermic material. Specifications 627,678, 832,555 and 898,232 are referred to.