baber/WOPTO huggingface dataset:
Patent GB-774635-A (GB)
Title: New benzoic acid derivatives, and processes for their preparation
IPC: C07D295/192
Filed: 1955-06-29
Abstract: The invention comprises compounds of the formula: <FORM:0774635/IV(b)/1> where R1 is a hydrogen atom, an alkyl radical of 1 to 5 carbon atoms or a hydroxyalkyl radical of 1 to 4 carbon atoms, R2 is a hydrogen atom or an alkyl radical of 1 to 5 carbon atoms or NR1R2 forms a heterocyclic ring, R3 is hydrogen or halogen, R4 is a straight or branched chain alkyl group or a carboxy methylene group, X and Z are sulphur or oxygen and m and n are integers from 1 to 3.  When NR1R2 is a heterocyclic ring it may suitably be a piperidine, pyrrolidine or morpholine ring.  The compounds may be prepared by reacting a compound of the formula: <FORM:0774635/IV(b)/2> with a compound of the formula: Y-[(CH2)m.Z]q.R4, where R5 is either the group -CO.N(R1)R2 or a substituent capable of transformation to such a group, for example a carboxylic acid group -COOH, a carboxylic acid halide group -CO Halogen, an ester group -COO Alkyl or a nitrile radical -CN, Y is a reactive radical such as a halogen atom or a p-toluene sulphonyl radical and p and q are integers from 1 to 3 or zero, the sum of p and q being between 1 and 3, and converting the group R5 into the group -CON(R1)R2 where required.  The reaction is suitably carried out in an inert solvent such as ethyl alcohol or toluene at a temperature of 60-150 DEG C.  When R5 is a group convertible to the group -CON(R1)R2 it may suitably be a carboxylic acid ester group which is converted by direct amidation, or is saponified to give a free carboxylic group, converted to the amine salt and dehydrated by heating to 100 DEG  to 200 DEG  C., or is treated with a thionyl halide to give the corresponding acid halide which is then reacted with the amine HNR1R2.  Alternatively R5 may be a nitrile group which is converted by partial hydrolysis in the presence of strong mineral acids to give the group -CONH2.  Benzoic acid derivatives of the formula: <FORM:0774635/IV(b)/3> wherein r is an integer from 1 to 3 may be made by reacting a compound of the formula M.S. (CH2)n.COOH wherein M is an alkali metal, with the corresponding salicylamide halo-alkyl ether.  Examples describe the preparation according to the invention of the 2-ethoxy-ethyl-, 2-propoxyethyl -, 2 - butoxyethyl -, 2 - [(21 - ethoxy) ethoxy] ethyl - 2 - [(21 - butoxy) - ethoxy]-ethyl -, 2 - methyl - thioethyl -, 2 - ethyl - thioethyl - and 2 - carboxymethyl - thioethyl ethers of salicylamide; the 2-propoxyethyl-and 2-carboxymethyl-thioethyl ethers of 5-bromosalicylamide, the 2-ethoxyethyl ethers of salicylic acid and diethylamide, salicylic acid hydroxy-ethylamide, and salicylic acid piperidide, the 2-carboxymethyl-thioethyl ether of salicylic acid methylamide and o-(2-propoxyethylthio) benzoic acid amide.  Starting materials.  Salicylic ester-ethers, viz. the 2-ethoxyethyl-, 2-[(21-ethoxy)ethoxy] ethyl and 2-[(21-butoxy) ethoxy] ethyl ethers of salicylic acid methyl ester are made by the reaction of methyl salicylate with the appropriate alkoxyethyl bromides.
Patent GB-1467981-A (GB)
Title: Method and apparatus for recovering crude pulp stock from  municipal waste
IPC: D21B1/32
Filed: 1974-04-30
Abstract: 1467981 Comminuting refuse; rotary screens EBARA MFG CO Ltd 30 April 1974 [1 May 1973] 18852/74 Headings B2A and B2H A method for recovering crude pulp stock from municipal waste comprising waste paper, relatively hard material (bottles or cans) food waste and plastics rubber and wood, is effected in an apparatus comprising a hopper 11 for the waste a first rotatable cylindrical screen pulverizer 14 comprising an outer cylinder 12 and an inner screen 13. The soft food waste is pulverized by means of the hard material, the food waste passing the screen 13 and being discharged from the cylinder 12. The waste paper which remains is pulverized in a second rotatable cylindrical screen pulverizer 17 likewise passes a cylindrical screen 19 and is discharged. A spray 16 moistens the waste paper before it is received in the second pulverizer. Each pulverizer may have blades (not shown) which may be rotatable independently of the inner cylindrical screen. The pulverizers are mounted on rollers 30, 31 and driven by motors 34, 35.
Patent GB-451632-A (GB)
Title: Improvements relating to adjustable seat
IPC: B61D33/00
Filed: 1935-07-02
Abstract: 451,632. Adjustable seats. WHEDON, Inc., Medina, New York, U.S.A. July 2, 1935, No. 18864. Convention date, Nov. 20, 1934. [Class 52 (ii)] In an adjustable vehicle seat, a frame 20, Fig. 1, is supported by rocker arms 22, 23 on a base 15 and a locking device having an arcuate rack 62 and a locking member are mounted respectively on relatively movable members of the seat structure to lock the rocker arms in adjusted position. The rocker arms 22,- 23 are integral with transverse rods 25, 26 rotatably mounted on the base 15, and are outwardly cranked at their upper ends to engage bearings under the frame 20. A frame 35 supporting the upholstery is rigidly mounted on the frame 20. Rigidly secured to the rod 26, Fig. 3, are arms 37, 38 at an angle to each other and to the arms 23, and springs 40, 41 are connected to the ends of the arms 37, 38 so as to tend to lift the frame 20, the arrangement being such that maximum leverage is exerted when the seat is in the lowest position. The arms 22, 23 are provided at one side of the seat with upwardly extending parts 50, 52, and a bar 57 pivoted to the parts 52 and 50, is formed with an arcuate rack 62 with which engages a locking member 63 carried upon the lower end of a handle 66 mounted telescopically upon the extension 50 and normally pressed upwardly by a spring 68. The seat bottom 83 is suspended at the rear from links 90 mounted on the frame 20, and at the front slides on brackets 85, and is retained in adjusted position by a latch controlled by a handle 75 and engaging a rack 82. The seat back 100, Fig. 1, is slidably mounted at the bottom, and is normally pressed forward by springs 102 connected to the frame 35. The upper part of the seat back 100 is retained in angular adjustment relative to the frame 35 by an arcuate rack 110 with which engages a spring-pressed latch 118 on the back 100 actuated by a lever 123 through cable mechanism 122. The back can thus be angularly adjusted while its lower part follows the horizontal adjustment of the seat bottom 83 relative to the frame 20. Figs. 7 and 8 show a modified construction in which the extension 50 is secured to the bearing portion of the rocker arm 22, and forms a hand lever to which the notched sector 60 is pivoted. A latch 155 operated by a small lever housed within the lever 50 engages the notched sector 60. Horizontal adjustment of the seat bottom frame 83 is effected by a plunger 180 engaging notches in the frame 29.
Patent GB-1469338-A (GB)
Title: Dishwasher
IPC: A47L15/46
Filed: 1975-04-29
Abstract: 1469338 Dishwashers THORN DOMESTIC APPLIANCES (ELECTRICAL) Ltd 29 April 1975 [30 April 1974] 18912/74 Heading A4F [Also in Division G3]  In a dishwasher having a timer with a plurality of switches 1, 2, 3, 7, 8, 14 for automatically controlling the washing cycle, a wash pump 30 for circulating water, a drain pump 32, an electricallyoperable valve 31 for controlling the supply of water, and a water level sensor 23 adapted to open the valve 31 should the water level fall below a predetermined value, the arrangement is such that during predetermined stages of the washing cycle part only of the hot water is drained, off by the drain pump 32 and, with the wash pump 30 operating, energized as shown in Fig. 3 by switches 7, 8 and 2, is replaced by cold water via the valve 31 energized by switch 1 and water level sensor 23 and thereafter all the resulting warm water is drained off by the drain pump 32, energized by switches 7 and 8, and is replaced by cold water when the water level sensor 23 acts to energize valve 31 via switch 1, articles being washed thereby avoiding thermal shock due to the replacement of all the hot water by cold at once.  The circuit shown in Fig. 3 is programmed to operate as shown in Fig. 5. An initial hot prewash is performed in timing periods 1-5 and in periods 6-8 the hot water is replaced by cold as described in the preceding paragraph. A hot wash is carried out during periods 9-20 with detergent being dispensed from a valve 39 at period 13 or 19. The temperature of the hot wash is controlled by thermostats 36, 40, manually-operable switch 35 and heaters 37, 38. During subsequent periods 21-23 hot water is again replaced by cold. Two cold rinses occupy periods 24-32 and a final hot rinse takes place during periods 33-41, rinse aid liquid being added by valve 33 at period 36. Finally hot air drying is performed by heater 37 during periods 42-60. The description of divisional Specification 1469339 is substantially identical but the claims relate to the arrangement and control of heaters 37, 38.
Patent GB-403038-A (GB)
Title: Improvements relating to shearing machines for removing loose fibres from yarn, cordor twine
IPC: D06C13/00
Filed: 1933-07-05
Abstract: 403,038. Shearing yarns. MACKIE, J. P., and MACKIE & SONS, Ltd., J., Albert Foundry, Belfast. July 5, 1933, No. 19107. [Class 120 (iii).] In a multi-spindle yarn-shearing machine in which each yarn is given a false twist and projecting fibres sheared off, means are provided for stopping the feed of any single yarn and for rendering the false twist device inoperative. Yarn passes from the bobbin 1 across a plate 3, where projecting fibres are sheared off by rotary cutters 4, to the false twist device 5 driven by a belt 13 and dog-clutch 12. The yarn then passes several times round two capstans 6, 7, one of which is driven from the shaft 17, and is finally wound up on the bobbin 8, which rests on a plate 18 on the spindle 19 driven through a clutch 20. To stop the feed and twisting of any yarn, the appropriate rod 22 is displaced by the handle 24 or 25 to the position indicated in dotted lines. This causes a pin 26 on the rod 22 to ride up an incline 27, whereby the rod engages the underside of the bobbin plate 18 and the clutch 20 is disconnected. The bobbin 8 thus stops and the yarn on the capstan 6 runs loose, whereby forward feed of the yarn ceases. A pin 29 on the rod 22 moves a lever 15, pivoted at 16, to declutch the clutch 12 and so stop the false twist device 5.
Patent GB-1137687-A (GB)
Title: Multiple pipe switch for pneumatic conveyor pipes
IPC: B65G53/56
Filed: 1966-05-02
Abstract: 1,137,687. Switching devices for pneumatic conveyers. CHEMISCHE WERKE HULS A.G. 2 May, 1966 [3 May, 1965],No. 19180/66. Heading B8A. A substantially conical chamber 1 connected to a fluid inlet pipe at 2 is provided with a plurality of outlet pipes 4 each provided with a shut-off valve 6, the valves 6 being interlocked so that only one outlet pipe can be opened at a time. Streamlined deflectors may be mounted in the chamber between the outlets.
Patent GB-624960-A (GB)
Title: Improvements in tools for use in applying fasteners to belts
IPC: F16G3/00
Filed: 1947-07-17
Abstract: 624,960. Belt gearing. MASTABAR BELT FASTENER CO., Ltd., and TEBB, B. July 17, 1947, No. 19191. [Class 80 (i)] A device for holding the wire hook fasteners q for belts during their insertion comprises a bar b slotted to receive the individual hooks which are retained in position by a U-shaped pin p. One limb of the pin p engages the hooks whilst the other holds it in position by an upturned. end s which engages the rounded end of a filling piece c. When the pin is withdrawn the end s abuts against a shoulder w on the member c to prevent complete withdrawal. Specification 508,198 is referred to.
Patent GB-1160673-A (GB)
Title: Device for Colour Synthesis
Inventor: ATHERTON EDWARD
IPC: G01J3/52
Filed: 1966-05-02
Abstract: 1,160,673. Colour synthesis. IMPERIAL CHEMICAL INDUSTRIES Ltd. 20 April, 1967 [2 May, 1966], No. 19212/66. Heading G4B. [Also in Division G2] A device for the synthesis of colours comprises (a) a plurality of opaque coloured elements displaying the three subtractive primary colours in steps of increasing colour strength and binary combinations of those primary colours also in steps of increasing colour strength; and (b) a plurality of transparent elements displaying a neutral grey colour in steps of increasing colour strength, the opaque elements being arranged in groups, the groups or each group being mounted on backing material and any selected transparent element being superimposable at will upon any selected opaque element. In the embodiment of Figs. 1 and 2 the device comprises a threepage colour atlas, the page shown including elements 3 which are combinations of the colours cyan and yellow, and a mask 6 including a holder 7 for transparent film carrying the neutral grey elements. The mask may be positioned so that any one element 3 can be viewed through apertures (10) (Fig. 3, not shown), 11. The various colour and neutral grey strengths are indicated by reference characters e.g. CO-C15, YO-Y15. Also disclosed is a method of colouring a substrate to match a given coloured pattern comprising the steps of (a) synthesizing by means of the device a colour matching the pattern; (b) assigning reference co-ordinates to the combination of the selected opaque element and transparent element; (c) transmitting these co-ordinates together with other necessary data concerning the substrate, the dyes or pigments to be used and the coloration process to be employed to computer means which is programmed to convert the information into a colouring recipe; (d) preparing a colouring composition in accordance with the recipe; and (e) applying the composition to the substrate using the process. The reference coordinates may be the tristimulus values. The co-ordinates may be read directly from the device using a tristimulus colorimeter or a spectrophotometer, or the reference characters may first be read and then using tables converted into the reference co-ordinates. Alternatively the characters may be fed to a computer memory store which corelates the characters with the appropriate co-ordinates.
Patent GB-350743-A (GB)
Title: Improvements in or relating to electrical insulating systems
IPC: H01B17/42
Filed: 1930-06-24
Abstract: 350,743. Supply systems. SINDEBAND, M. L., Graybar Building, and SPORN, P., 30, Church Street, both in New York, U.S.A. June 24, 1930, No. 19236. [Class 38 (iv).] Transmission line arrangements; protective arrangements.-A high-voltage power circuit exposed to high-voltage surges includes a main section 20, insulated to withstand breakdown under surge voltage, and a protective section or sections 21 arranged to break down under the surge voltage but to prevent a flow of current of normal operating voltage along the path of the surge discharges. Such protective sections may be arranged between a station having apparatus, such as 14, 15, insufficiently insulated to withstand the surge voltages and the main section of the line. The insulating means may comprise strings 17, 24 of insulators 18 at a plurality of points of the transmission conductor 16, the insulator strings 24 in the protective sections being arranged to break down at a voltage safe for the apparatus, as by impedance bridging some of the insulator elements. The impedance may take the form of condensers or valves. Such valves may be made of specified resistor materials, permitting free discharge of current above a predetermined voltage but preventing current flow below such voltage. The resistor material may be in the form of blocks and this or the condensers may be mounted in insulator shells such as 26, Fig. 3. The bridged part may be midway on the insulator string and the bridging elements may be built into the insulators as indicated in Fig. 4.
Patent GB-373465-A (GB)
Title: Improvements in or relating to engine governor and stop-gear
IPC: G05D13/00
Filed: 1931-07-06
Abstract: 373,465. Speed governors and stop gear. MACNICOLL, D., Clydesdale Engineer. ing Worhs, Cardonald, Glasgow. July 6. 1931, No. 19385. [Classes 57, 110 (iii), and 122 (iv).] In a centrifugal governor and stop gear as described in Specification 155,073, [Class 122 (iv), Steam engines, Regulating &c.], wherein valves 24, 25 are actuated by centrifugal force to allow pressure fluid to escape, the pressure fluid is supplied by a restricted orifice 8, of the type described in Specification 339,030, [Class 122 (iv), Steam engines, Regulating &c.], which is placed at a level not higher than the governor, or the lower governor when there are a series of governors, and the emergency stop valve motor 4 is placed at a level not lower than the governor or the highest governor. A pipe 5 connects the restricted orifice, governors 1, 2, 3, and control motor which exhausts through the pipe 5<1>. The outlet side of each governor is provided with a non- return valve to prevent return flow of fluid from the motor 4. In cases wherein a pressure of more than 6 lbs. per inch prevails in the control motors, a valve 7 is fitted in the boss 9, and provided with a recess 13 connecting the inlet side of the governor to a port 16 which leads to the non-return valve. Radial ports 14 provide connection to the bore 15, passages 20, 18 to the valves 24, 25. The valve 7 is loaded by a spring 7<1> and so arranged that when the valves 24, 25 open, the fall in pressure causes the valve to move and close the port 16 whilst when the valves 24, 25 close, the spring 7<1> returns the valve 7 to its normal position. The governors 1, 2, 3 may be mounted upon a triple expansion steam turbine installation geared to one propeller shaft, each governor being adapted to cut off or reduce the main steam supply to the installation. Alternatively each turbine may be geared to an independent propeller shaft and the emergency valve may be common to all the turbines or there may be one emergency valve to each turbine operated by one control motor.
Patent GB-826796-A (GB)
Title: Improvements in and relating to indirectly heated cathodes for electron discharge tubes
Inventor: GENTRY CHARLES HAROLD RAYMOND
IPC: H01J9/08
Filed: 1957-06-20
Abstract: 826,796. Electrically heated cathode of a discharge tube. MULLARD Ltd. May 13, 1958 [June 20, 1957], No. 19449/57. Class 39(3) An indirectly heated cathode for an electronic discharge tube comprises a metal tube with an emissive coating and a heater filament within the tube and insulated therefrom by a coating of aluminium oxide which is coated on the heater filament by a flame-spraying process, the aluminium oxide being introduced into an oxy-acetylene flame spray gun whereby the oxide becomes plastic and is sprayed by gas pressure on to the filament. The tube may be of nickel and the filament of tungsten. The aluminium oxide coating thus applied is porous and of gamma form but during subsequent processing of the discharge tube is converted to alpha form. Specification 745,257 [Groups II, III, V, XII, XXVI and XXIX] is referred to.
Patent GB-1390199-A (GB)
Title: Blast furnace tuyeres
IPC: C21B7/16
Filed: 1972-04-27
Abstract: 1390199 Tuyeres; liquid fuel sprayers STAMLWERKE PEINE-SALTGITTER AG 27 April 1972 [28 April 1971] 19525/72 Headings F4B and F4T Heavy oil is introduced into the tuyere of a blast furnace by a lance comprising a tube 1 which is a screw fit into a detachable head 2 formed with peripheral ports 3 inclined upwardly and rearwardly of the solid end of said head. The ports 3 are inclined at 45 degrees to the tube axis.
Patent GB-386562-A (GB)
Title: Process for the manufacture of heavy metal compounds of thio-substituted carbohydrates
IPC: C07H23/00
Filed: 1932-07-11
Abstract: Heavy metal compounds of thiocarbohydrates are prepared by treating the alkali or alkalineearth metal compounds with heavy metal salts. Examples are given of the treatment of sodium 1-thioglucose with potassium auribromide, antimony trichloride or bismuth trichloride, potassium thiocellobiose with antimony tribromide, sodium thiocellobiose with potassium auribromide, and potassium 1-thiogalactose with silver nitrate; the products separate out immediately from the aqueous or glycol solution or on addition of alcohol or acid.  The alkali and alkaline-earth metal compounds of thiocellobiose are obtained by heating octa-acetylthiocellobiose with the corresponding alcoholate.
Patent GB-614032-A (GB)
Title: Improvements in the manufacture of heterocyclic compounds
IPC: C07D239/06
Filed: 1946-07-01
Abstract: Salts of heterocyclic compounds containing the grouping -N=CR-NH-, wherein R represents an alkyl, aralkyl, aryl, heterocyclic or alicyclic group are prepared by heating on N-substituted amidine of the general formula RC(=NR2)NR3R4, wherein R has the above significance, R2 represents an alkyl, aryl or aralkyl group and R3 and R4 represent hydrogen, alkyl, aryl or aralkyl groups or together constitute a divalent polymethylene group, with a diprimary diamine of the general formula R1(NH2)2, wherein R1 is a polymethylene group containing 2, 3 or 4 methylene groups, in the presence of an acid combined with one of the reactants.  The reaction mass of amidine, diamine and combined acid may be prepared in any convenient manner preferably so that the amount of acid employed is the chemical equivalent of the amidine used, e.g. the acid may be added to the mixture of amidine and diamine, or a salt of either of the reactants may be mixed with the other reactant, or a salt of a volatile weak base such or ammonia may be used to furnish the acid by reaction with the amidine or amine.  The reaction may be effected in a solvent, e.g. an excess of the diamine may be used or an inert solvent such as aniline, nitrobenzene or dimethylaniline may be used.  The free heterocyclic compounds may be obtained from their salts prepared as above and may be converted into other salts.  In the examples the preparation of the following compounds is described: 2-n-butyl-, 2 - phenyl -, 2 - p - methoxyphenyl -, 2 - cyclohexyl -, and 2 - o - chlorophenyl - 4 : 5 - dihydroglyoxaline toluene - p - sulphonate; 2 - phenyl -, 2 - b  - naphthyl - and 2 - (31 : 41-dimethoxyphenyl) - 4 : 5 - dihydroglyoxaline benzenesulphonate; 1 - benzyl - 2 : 7 - diazacycloheptene picrate; 2 - methyl - 4 : 5 - dihydroglyoxaline picrate; 2 - benzyl - 4 : 5 - dihydroglyoxaline hydrochloride; 2 - (p - methylsulphonylphenyl)-3 : 4 : 5 : 6-tetrahydropyrimidine toluene - p - sulphonate; 1 - (31 - pyridyl)-2 : 7-diazacycloheptene ; and 2 - phenyl - 4 : 5 - dihydroglyoxaline benzoate.  N-Phenylveratramidine benzene sulphonate is prepared by the process of Specification 573,266.
Patent GB-662824-A (GB)
Title: Improvements in or relating to container units comprising a plurality of separable receptacles
IPC: A47J27/12
Filed: 1949-07-27
Abstract: 662,824. Multi-compartment cans &c. ELLIS, G. Jan. 11, 1950 [July 27, 1949], No. 19711/49. Class 66. An upper compartment or compartments 11, 12 of a food can for insertion into an insulated vessel &c. is or are held in place on the lowest compartment 10 by flexible metal clips 15 hinged at 14 to a collar or band 13, the clips 15 alsc holding the lid 18 in place. The handle 19 lies flat on the lid 18 when not in use.