baber/WOPTO huggingface dataset:
Patent GB-1240087-A (GB)
Title: N(6)-alkyl-adenosine derivatives
IPC: C07H19/167
Filed: 1970-03-17
Abstract: 1,240,087. Adenosine derivatives. BOEHRINGER MANNHEIM G.m.b.H. 17 March, 1970 [19 March, 1969 (2)], No. 12770/70. Heading C2C. [Also in Division A5] Novel compounds of Formula I (in which R 1  is C 1-6  alkyl and R 2  is methyl or, when R 1  contains more than one carbon atom, R 2  may also be hydrogen) are prepared by reacting an amine of formula H 2 NC(CH 3 )R 1 R 2  with compound of Formula II (in which X is a halogen atom or an alkylthio or aralkylthio group, and in which the hydroxyl groups are optionally temporarily blocked by easily removable protective groups, e.g. acetyl groups) and, if necessary, splitting off the protective groups after the reaction.
Patent GB-898003-A (GB)
Title: Improvements in and relating to electric motor equipments
Inventor: SHAW NORMAN HARRY
IPC: B66B1/30
Filed: 1958-04-22
Abstract: 898,003. Control of motors. ENGLISH ELECTRIC CO. Ltd. April 21, 1959 tApril 22, 1958], No. 12812/58. Class 38 (3). [Also in Group XXXV] A motor control system as described in Specification 895,113 is modified by the addition to the reference magnetic amplifier 13 of a feedback winding 13c energized through a rectifier 24 when the input to the negative error suppressing device 11 is of a negative amplitude. Change-over contacts 15c, 15d actuated by the device, not shown, actuating contacts 15a, 15b ensure that the flux in the feedback winding 13c is effective under both motoring and braking conditions of operation to vary the net energization of the reference magnetic amplifier 13 in a sense tending to reduce the negative input to the device 11. Specification 892,231 also is referred to.
Patent GB-251779-A (GB)
Title: Improvements relating to leaf springs
IPC: F16F1/24
Filed: 1925-05-16
Abstract: 251,779. Kennedy, J. D., and Kennedy, T. W. May 16, 1925. Laminated springs.-Interleaves b arranged between the leaves a of a laminated spring are provided with upwardly and downwardly projecting lugs j along their side edges adapted to engage the edges of the leaves a.
Patent GB-995552-A (GB)
Title: Improvements in load-equalising devices for twin wheels
IPC: B60B11/06
Filed: 1962-04-04
Abstract: 995,552. Twin wheel assemblies. DUNLOP RUBBER CO. Ltd. April 4, 1962 [April 6, 1961], No. 12885/62. Heading B7C. In a twin wheel assembly, wheel rim 1 is clipped to annular support 2, which is rigidly secured by studs 6 to flange 5a of axle 5, and wheel rim 8 is clipped to annular support 9 having holes 11 with a large clearance for the studs 6 which clamp the support 9 in position through rubber spacing rings 12 and 13 so that the second wheel is resiliently mounted to permit relative displacement of the axes of rotation of the wheels. Both rims will pass over support 2 and may therefore be withdrawn after ring 4 is removed. Rings 12 and 13 may comprise a number of rubber blocks.
Patent GB-651886-A (GB)
Title: Improvements in or relating to glass furnaces for use in the manufacture of continuous glass filament
IPC: C03B37/09
Filed: 1948-05-11
Abstract: 651,886. Electrically-heated glass furnaces. ALTMAN, E. May 11, 1948, No. 12908. [Class 39(iii)] An apparatus for the manufacturing of continuous glass filaments comprises a metal tank 1 having orifices at its bottom for the drawing of the glass filaments 3, the tank acting as a heating resistance in a current circuit and being surrounded by a casing 11 filled with a neutral gas preventing the metal tank from oxidizing. The gas-filled casing 11 has a transparent, heat-resisting, tubular extension 13 at its base through which the filaments pass before emerging to the atmosphere through an opening 15. The tank 1 is of annular form and is surrounded with. heat-insulating material 10. The neutral gas is supplied to the outside of the tank 1 and to the extension 13 through a tubular part 6 of the melting tank, the gas also passing to the exposed interior surfaces of the tank through apertures 17 in the said tubular part 6. With this arrangement the melting tank 1 need not be made of platinum but of any metal capable of withstanding the working temperature. The supply terminals 8 and 9 are separated by insulation 5. The neutral gas may be N 2 .
Patent GB-1060911-A (GB)
Title: Framework molecular orbital model assembly
IPC: G09B23/26
Filed: 1965-03-26
Abstract: 1,060,911. Atomic and molecular models. G. C. BRUMLIK. March 26, 1965 [April 1, 1964], No. 13017/65. Heading G5G. In a model of atomic or molecular structures, the positions of the electrons relative to the multivalent nuclei, i.e. the orbitals, are represented by adjustable members. In the actual atom, the orbitals may have the form of three dimensional lobes, which when represented in the model in solid form, render inspection of the inner structure of the model difficult. The present system forms an atomic model by employing a framework which represents the axes and planes of symmetry of the orbitals. Both the inner and outer parameters of the molecular model are thus visible. The framework sections are coloured to represent different atoms and their lengths correspond to either the sigma bond distances between atoms or, the Van der Waals radii of unshared electrons, and II orbitals, for example. In addition, space-filling members may be mounted in the framework to represent the unshared orbitals. A single atom model is formed by arms jointed to a central point, representing the atom centre and separate atoms are joined to form a molecule by tubing sections which receive, and frictionally retain, the arms. The structure is formed of metal and plastics.
Patent GB-522189-A (GB)
Title: Improved lubricating compositions
IPC: C10M135/14
Filed: 1939-05-02
Abstract: 522,189. Lubricants. STANDARD OIL DEVELOPMENT CO. May 2, 1939, No. 13059. Convention date, Oct. 19, 1938. [Class 91] [Also in Group IV] Lubricants comprise mineral lubricating oil and a soluble organic xanthogen tetrasulphide, e.g., 0.01-10.0 per cent. of ethyl xanthogen tetrasulphide. The lubricant may be a soluble oil, a cutting oil, a motor oil, a grease, or compounded oil. There may also be present : linear polymer V.I. improvers ; pour-point depressants ; dyes ; resins ; voltolized fats and/or mineral oils or waxes : ester or other oiliness agents ; phenolic- or amino-oxidation inhibitors ; soaps, e.g., calcium stearate, lead oleate or naphthenate, or aluminium naphthenate ; chlorinated esters, chlorinated paraffin waxes, or other halogenated compounds. The xanthogen tetrasulphides impart antioxidant, corrosion-inhibiting, and extreme pressure lubricating characteristics to the oil. They may be prepared by the action of sulphur mono- , or di-chloride on metal xanthates obtained, e.g., by treating a solution of alkali metal hydroxide in an alcohol with carbon disulphide. They are regarded as in which Rand R<SP>1</SP> may be methyl, ethyl, propyl, amyl, lauryl, oleyl, benzyl, di-benzyl, phenyl, phenyl-ethyl, diphenyl, naphthyl, naphthenyl, cyclohexyl, or other alkyl, aryl, aralkyl, or cyclo-alkyl group. The oxygen atoms may be replaced by sulphur by using thio-alcohols in place of the alcohols when preparing the metal xanthate. Reference is made in the Specification to the use of sulphurized mineral or fatty oil, alkyl sulphides and polysulphides, and of xanthogene di- and trisulphides.
Patent GB-493197-A (GB)
Title: Cartons for eggs and other brittle articles
IPC: B65D85/32
Filed: 1938-05-03
Abstract: 493,197. Cartons. HESHE, K., and WESTERVIKS PAPPERSBRUKS AKTIEBOLAG. May 3, 1938, No. 13132. [Class 18] A carton for eggs &c. comprises a wrapper 16 and an insert consisting of a blank folded to form parallel troughs and subdivided by partitions 5 passing through slots in the walls of the troughs. Each slot consists of a narrow part 2 and a wider part 3 so that, when the insert is released from its collapsed state, the partitions 5 swing round at right-angles to the walls of the troughs which are all positioned in slots 4 in the partitions, and the outer walls of the troughs spring outwards until they contact with the corners of the partitions, at which point they enter slots 9. The eggs are cushioned by flaps 14 .and apertures are provided in the bases 13 of the troughs to enable the eggs to be candled. The cover flaps of the wrapper have flanges 17 which seat in the slots 4.
Patent GB-560161-A (GB)
Title: Improvements relating to retardation or acceleration controllers
IPC: B61H7/08
Filed: 1942-09-18
Abstract: 560,161. Automatic control systems for railway &c. vehicles. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., CADMAN, N. G., and MAcGREGOR, R. M. Sept. 18, 1942, No. 13216. [Class 38 (iv)] The acceleration or retardation applied to a railway or like vehicle is limited to a maximum value by the electromotive force generated in the secondary winding of a transformer excited by a unidirectional current proportional to the speed of the vehicle. The secondary winding may be connected to a solenoid operating a relief valve in the brake control pipe and two or more such valves may be arranged to respond at different rates of acceleration or retardation. A rectifier in the series with the secondary winding limits the control to operation during acceleration or during retardation. Fig. 3 shows two secondary windings 16, 17 connected respectively to operate a brake pressure control valve D and an acceleration control relay P. The valve D may be actuated by a solenoid 12 against a spring 11 and a winding 22 assisting the spring may be energized by the voltage responsive to vehicle speed so that higher rates of retardation are permitted at higher speeds. An a.c. or d.c. generator may be driven by an axle of the vehicle, a rectifier being included in the exciting circuit of the transformer in the first case.
Patent GB-132628-A (GB)
IPC: F16H29/04
Abstract: 132,628. Dunn, W. Sept. 26, 1918. Ratchet gearing.-In variable speed and. revers. ing gearing for tractors, "tanks," &c., of the kind in which a series of variable-stroke eccentrics on one shaft actuate friction ratchet gearing on. a parallel shaft, interconnected eccentric straps 23 on the driving-shaft 4 are connected to collars 82 oscillating on the driven shaft 2, each collar carrying a clutch shoe 87 with an outer wedge surface at each end, either of which surfaces may be enged by a roller 88 on a lug 85 on the oscillating collar. A spring 90 carried on a second lug 86 on the collar keeps one of the two wedge surfaces on the shoe in contact with the roller 88 according to the adjustment of the shoe for forward or reverse drive.. To shift the shoe to position for reverse drive, the gear-changing lever 73 is moved to the left in Fig. 4, and thereby rotates a ring 64 so that an arm 68 thereon presses aside an arm 104 on a spindle 96 and moves a second arm 94 to engage a lug 93 on the shoe 87 and move it around a sleeve 81 secured to the shaft 2 until the roller 88 bears against the wedge surface at the other end of the shoe.
Patent GB-775483-A (GB)
Title: Method of and composition for reducing foaming in water evaporating and steam generating plant
Inventor: CAMPBELL GEORGE ALEXANDER
IPC: B01D19/04
Filed: 1954-05-07
Abstract: A composition for reducing foaming in boilers and evaporators comprises a water-soluble organic dispersing agent containing the product from condensing naphthalene sulphonic acid with formaldehyde and neutralizing with NaOH; and a mono- or di-ether of a polyoxyalkylene glycol in which terminal oxygen atoms are connected to different carbon atoms and in which the product of the number of carbon atoms in the end ether group and the molecular weight of the ether is not less than 8000.  Sequestering agents such as ethylenediamine-tetra-acetic acid and nitrilo-triacetic acid may be added.  Exemplified as ethers of molecular weight about 800 are secondary hexadecanol/ethylene oxide condensate, cetyl alcohol/ethylene oxide condensate and dicetyl ether of polyethylene glycol.  Specifications 648,099, [Group IV (b)], and 659,925 are referred to.ALSO:A composition for reducing foaming in boilers and evaporators comprises:- A water soluble organic dispersing agent containing a product from condensing naphthalene sulphonic acid with formaldehyde and neutralizing with NaOH; and a mono or di-ether of a polyoxy-alkylene glycol in which terminal oxygen atoms are connected to different carbon atoms and in which the product of the number of carbon atoms in the end ether group and the molecular weight of the ether is not less than 8000.  Sequestering agents such as ethylene-diamine-tetra-acetic acid and nitrilo-tri-acetic acid may be added.  Exemplified ethers of m.w. 800 are ethylene oxide condensates of hexadecanol and ethyl alcohol and dicetyl ether of polyethylene glycol. Specifications 648,099 and 659,925 are referred to.
Patent GB-1492836-A (GB)
Title: High speed printers
IPC: B41J2/215
Filed: 1975-04-02
Abstract: 1492836 Selective printing OKI ELECTRIC INDUSTRY CO Ltd 2 April 1975 [18 April 1974] 13441/75 Heading B6F The ink tank for an ink printer has the inlet of each ink mist passage located close to the surface of an ink solution in the tank. Thus the ink mist produced in the tank and flowed into the or each passage, by an air stream through the tank, does not have convection currents set up within it.
Patent GB-474920-A (GB)
Title: Improvements in, or relating to, snap-action electric switches
IPC: H01H5/06
Filed: 1936-05-13
Abstract: 474,920. Snap-action switches. CRABTREE & CO., Ltd., J. A. (Schiele & Bruchsaler- Industriewerke Akt.-Ges.) May 13, 1936, No. 13497. [Class 38 (v)] A snap - action switch comprises a pair of U-shaped contact arms 10a, 10b fulcrumed between clamped insulating members 4a, 4b formed with V- shaped clearance channels m. A tension spring 12 is connected between the ends of the contact arms and causes contacts 11a, 11b to snap between fixed contacts 9a, 9b and stops 13a, 13b when the members 4a, 4b are moved up and down either by a diaphragm 2 acting against control springs 5, 6 or by manual means. Specification 474,919 is referred to.
Patent GB-972322-A (GB)
Title: All-metal ladders
Inventor: LAWSON-KING JOHN
IPC: E06C7/08
Filed: 1962-04-07
Abstract: 972,322. Ladders. ALLOY LADDERS Ltd., and J. LAWSON-KING. April 8, 1963 [April 7, 1962], No. 13497/62. Heading A6L. In a metal ladder having tubular stiles and rungs, the rungs have non-circular ends 5 fitting similarly shaped holes 9 in the inner sides of the stiles, the outer ends of the stiles being swaged out to engage the circular holes 10 in the outer sides of the stiles to secure the rungs in position. The ends of the stiles may be of eight-shaped cross-section or hexagonal or octagonal.
Patent GB-271504-A (GB)
Title: Apparatus for the manufacture of the compressed depolarising elements or dollies for primary batteries
IPC: H01M4/10
Filed: 1927-05-20
Abstract: 271,504. Courtecuisse, J., and Courtecuisse, V. May 22, 1926, [Convention date]. Void [Published under Sect. 91 of the Acts]. Rotary-mould-table machines; moulding battery elements; feeding. - Depolarizing elements for primary batteries are formed by compressing material within mould recesses in a rotary disc, the recesses being closed by yielding stops adapted to permit of escape of excess material. As shown, a disc 9 mounted on a shaft 8 and rotatable by hand by a tool inserted in recesses 51, is furnished with groups of mould recesses 10 into which material is charged from a trough 11 by plungers 14 carried by a slide 15 reciprocated by a crank on a shaft 18. The moulds are closed by plungers 19 slidably carried by supports 20 on an adjustable bracket 22 and pressed forward by springs 21. The material is agitated by stirrers 25 secured to shafts 24 which are rocked from the slide 15 through a cam slot 29, pin 28 and links 26. Rotation of the disc aligns the charged moulds with hollow plungers 34 to which carbons are fed from a tray 30 through vertical shoots 32. Cams 39, 46 respectively advance the hollow plungers 34 to compress the material and advance core rods 41 through the hollow plungers to insert the carbons into the dollies, the mould openings being closed by a cover-plate 40 having escape holes of the same diameter as the carbons. The completed bobbins are ejected by plungers 48 also operated by a crank on the shaft 18. The disc is locked in position by a rod 52 engaging apertures in its face. A shaft 3 carrying the cams 39, 46, and also the shaft 18 are driven through belt gearing controlled by a member 55.
Patent GB-1401732-A (GB)
Title: Wc cisterns
IPC: E03D1/012
Filed: 1973-03-21
Abstract: 1401732 Cistern CHLORIDE SHIRES Ltd 18 March 1974 [21 March 1973] 13609/73 Heading E1C The joint between the walls and cover of a w.c. cistern is concealed by a flexible, inelastic band having its ends interconnected by a tension spring to thereby tension the band: The spring may be a length of rubber or a coiled spring and the band may be of metallised plastics.
Patent GB-781914-A (GB)
Title: Cathode-ray tube systems
IPC: H04N9/24
Filed: 1954-05-11
Abstract: 781,914. Colour television. PHILCO CORPORATION. May 11, 1954 [May 12, 1953], No. 13723/54. Drawings to Specification. Class 40 (3). [Also in Group XL (a)] Relates to a colour television receiver employing a cathode-ray tube with a screen made up of a repeating sequence of red, green and blue vertical phosphor stripes and incorporating indexing regions to derive a signal to maintain the application of colour signals to the tube and the scanning of the corresponding colours on the screen in step. To permit the production of a readily distinguishable indexing signal, the tube is modulated by a pilot oscillation having a frequency falling outside the band of the video signals and a filter is employed to separate out components at this frequency in the indexing output. In accordance with the invention, the cathode-ray tube gun (see Group XL (a)), is constructed so as to produce in addition to the normal image electron beam, which is modulated by the colour signals, two further beams vertically disposed symmetrically on either side of the normal beam and which are modulated in phase by the pilot oscillation. By this means, phase errors in the indexing signals, which may be introduced due to rotation of the beams in non-uniform parts of the focus and deflection fields, causing one indexing beam to lead the image beam, are compensated by an opposite phase error due to the other beam which is caused to lag the image beam. In effect, the two beams result in separate signals, one leading and one lagging, but the two signals combine in the indexing output and produce a signal of invariable phase with reference to the image beam. In an alternative construction of tube gun, the three beams are disposed along an axis at an angle to the phosphor stripes. The image beam may comprise more current than the indexing beams. The cathode-ray tube screen is constructed as described in Specification 781,911, [Group XL (a)], and the indexing signal is utilized as described in Specification 745,353. Specifications 753,451 and 762,550, [Group XL (a)], also are referred to.
Patent GB-353113-A (GB)
Title: Manufacture of naphthalene derivatives
Filed: 1930-05-05
Abstract: 1 : 2 : 5 : 6-Diphthaloylnaphthalene is obtained by treating a 21 : 211-dinitrilo-1 : 5-dibenzoylnaphthalene with an acid condensing agent.  The nitrile may be first saponified. Halogen substitution products may also be used.  According to examples 21 : 211-dinitrilo-1 : 5-dibenzoylnaphthalene is condensed in one or more stages with or without partial saponification, by means of sulphuric acid, and 21 : 211-dinitrilo-51 : 511-dichloro-1 : 5-dibenzoylnaphthalene is condensed in one stage with sulphuric acid. Halogenated - 21 : 211 - dinitrilo - 1 : 5 - dibenzoylnaphthalenes are obtained by heating the corresponding halogenated-21 : 211-dibromo-compounds with copper cyanide in pyridine.  Halogenated 1 : 5-dibenzoylnaphthalenes are obtained by heating the corresponding halogenated benzoyl chlorides with naphthalene and anhydrous aluminium chloride.  21 : 211-Dinitrilo-1 : 5-dibenzoylnaphthalene is obtained by treating the 21 : 211-dibromo-1 : 5-dibenzoylnaphthalene with copper cyanide and pyridine.
Patent GB-1145074-A (GB)
Title: Improvements in or relating to thermally stable block copolymers of formaldehyde
Inventor: ENIKOLOPOV NIKOLAI SERGEEVICH
IPC: C08G2/00
Filed: 1966-03-29
Abstract: 1,145,074. Formaldehyde-polyether or polyacetal block copolymers. INSTITUT KHIMICHESKOI FIZIKI AN USSR. 29 March, 1966, No. 13829/66. Headings C3P and C3R. Block copolymers are prepared by polymerizing a mixture of formaldehyde and polyethers or polyacetals not containing terminal active hydrogen atoms in an inert organic solvent medium and in the presence of an ionic catalyst. Specified polyethers are ethylene and propylene oxide homopolymers, and the specified polyacetal is polydioxolane. It is preferred that the polyether or polyacetal comprise less than 50% of the resultant block copolymer. Suitable catalysts include the Lewis acids, strong mineral acids, diazonium salts of Lewis acids, and amines, quaternary ammonium bases and salts thereof; SnCl 4  is used in the examples, which include polymerization of formaldehyde in toluene with SnCl 4  and in the absence of the polyether or polyacetal.
Patent GB-871490-A (GB)
Title: New water-soluble steroid compounds and a process for their manufacture
IPC: C07J31/00
Filed: 1960-04-20
Abstract: The invention comprises compounds of the general formula: <FORM:0871490/IV (b)/1> wherein X represents hydrogen or halogen, Y represents hydrogen or methyl, Z represents a b -hydroxymethylene or keto group, W represents the group -CH2-CH2- or -CH=CH- and Me represents the cation of a physiologically acceptable inorganic or organic base, and in the case where Z represents the hydroxymethylene group X and Y are not both hydrogen, and the preparation thereof by reacting the required 21-hydroxy compound with a reagent from the corresponding 21-hemisulphate e.g. by reacting with sulphur trioxide-pyridine adducts, and converting the 21- hemisulphate into a salt with a physiologically acceptable inorganic or organic base.  It is possible to first form a pyridine salt by the above method, treat the pyridine salt with triethyl-amine to form the triethyl-ammonium salt and then treat this with sodium hydroxide to form the sodium salt.  In the examples the sodium and triethyl-ammonium salts of 9a -fluoro-16a -methyl-prednisolone 21-hemisulphate, and the pyridinium, sodium and triethylammonium salt of prednisone 21-hemisulphate and of 9a -fluoro-hydrocortisone 21-hemisulphate are prepared. Specification 852,179 also is referred to.
Patent GB-1146202-A (GB)
Title: Method for production of epoxides
IPC: C07D301/19
Filed: 1966-03-29
Abstract: 1,146,202. Epoxidation. ATLANTIC RICHFIELD CO. 29 March, 1966 [1 July, 1965], No. 13945/66. Addition to 1,137,241. Heading C2C. Epoxides are prepared by reacting an olefinic compound with t-butyl hydroperoxide in the liquid phase at 50‹-200‹ in the presence of a catalyst in which the active component is molybdenum which is added to the reaction mixture as metallic molybdenum, the molybdenum metal surface area per g. hydroperoxide being 1-20 sq. cm. The preferred metal surface area is 3-15 sq. cm. per g. hydroperoxide. The molybdenum may be in the form of powder, foil, sheet or large masses and may form the lining of the reaction vessel. Specified olefinic compounds include mono- and polyolefins and unsaturated acids, the esters thereof, alcohols and monoglycerides. The reaction may be effected in the presence of a solvent. Examples relate to the preparation of propylene and octene-1 epoxides.
Patent GB-784499-A (GB)
Title: Improvements in or relating to electrical socket outlets having movable spring-urgedshutter members
IPC: H01R13/453
Filed: 1952-10-16
Abstract: 784,499. Two-part couplings. YOUNG, S. G. Jan. 15, 1954 [Oct. 16, 1952], No. 13956/56. Divided out of 784,498. Class 38 (1). A shuttered socket in which the shutter is biased by a leaf spring as described in the Complete and Provisional Specifications 784,498 from which the present Specification is divided, and as shown in the Figure accompanying the Provisional Specification 784,498.