baber/WOPTO huggingface dataset:
Patent GB-1353051-A (GB)
Title: Amides and hydrazides
IPC: C07C243/38
Filed: 1971-04-19
Abstract: 1353051 Amides and hydrazides ALBRIGHT & WILSON (AUSTRALIA) Ltd 19 April 1971 [2 Feb 1970] 20450/71 Heading C2C Amides and hydrazides suitable for use as optical brightening agents for paper, natural or synthetic fibres and fabrics and detergent compositions, are prepared by reacting an amine or hydrazine with an aromatic carboxylic acid which has a hydroxyl, amino or carboxyl group in a position ortho to the carboxylic acid group and which may also contain a sulphonate group, an optionally substituted triazinylamino group or an optionally substituted triazinyloxy group. The invention also comprises per se the compound 4,4<SP>1</SP>-bis-(sulphosalicyl) hydrazide. The amines or hydrazines have the formula R<SP>11</SP>-NH-R<SP>1</SP> with R<SP>1</SP> and R<SP>11</SP> preferably being hydrogen, amino, substituted amino, phenyl, substituted phenyl, triazinyl, naphthyl or substituted naphthyl. Suitable carboxylic acids are salicylic acid, substituted salicylic acids, e.g. sulphosalicylic acids, substituted o-phthalic acid (or anhydride), naphthalic acid (or anhydride), o-amino benzoic acid and 1,2-amino naphthoic acid. Further substituents, other than those referred to above, on the benzene nucleus are, for example, hydroxyl, nitrile, phenyl carboxylate, carbonyl, -SO 3 M (M is H or an alkali or alkaline earth metal), SO 3 W (W is a substituted amide, alkyl or aryloxy group), a primary or secondary amino group, an amido group or a substituted oxy or heterocyclic group. Although these groups are normally present in the benzene nucleus of the carboxylic acid before the reaction with the amine or hydrazine it is also possible to introduce the groups after the reaction. Examples describe the preparation of optical brightening agents from (1) 2-hydroxy-4- sulphobenzoic acid and (a) hydrazine, (b) psulphophenyl hydrazine, (c) p-phenylene diamine with further reaction of the product with cyanuric chlorides, and (d) 1-naphthylamine; (2) the sodium salt of 1-amino-2-naphthol-4- sulphonic acid and p-aminosalicylic acid; (3) 2,6-dihydroxybenzoic acid and (a) p-sulphophenyl hydrazine, with further reaction of the product with cyanuric chloride, (b) 1-naphthylamine and (c) 1-amino-2-naphthol-4-sulphonic acid; (4) p-sulphobenzoguanamine and salicylic acid; (5) p-aminosalicylic acid and (a) 1- naphthylamine, (b) p-phenylene diamine, (c) p-sulphophenyl hydrazine; (6) 2-hydroxy-5- sulphobenzoic acid and 1-amino-2-naphthol-4- sulphonic acid; and (7) 4-amino-salicylic acid and hydrazine; and also their use in the optical brightening of textiles and paper pulp.
Patent GB-478372-A (GB)
Title: Improvements in or relating to electric discharge lamps
IPC: H05B41/232
Filed: 1936-07-23
Abstract: 478,372. Supply systems for discharge lamps. SAPIRO, M. D. July 23, 1936, No. 20468. Convention date, Nov. 8, 1935. Drawings to Specification. [Class 38 (iv)] [Also in Group XL] A discharge lamp having hot cathodes and a filling of monatomic gases is operated on a negative-slope portion of the discharge current cathode emission curve. The filling may comprise from 5 to 20 per cent of helium and the balance of argon at a pressure between 10 and 40 mm., e.g. 14 per cent helium and 86 per cent argon at a pressure of 14 mm. A trace of mercury, sodium or neon may be present.
Patent GB-678007-A (GB)
Title: Improvements in chain conveyors
IPC: B65G17/24
Filed: 1949-08-08
Abstract: 678,007. Endless-chain conveyers. COLEMAN, II. C. Aug. 8, 1950. [Aug. 8, 1949] No. 20562/49. Class 78 (i). A conveyer for conveying in an upright position bottles and like articles with small bases, comprises rollers extending transversely between a pair of parallel endless link chains, closely spaced and of a diameter sufficiently exceeding the width of the links to provide a continuous support for the bases of the articles clear of the links, a track making contact with the underside of the rollers in the operative run of the chains, and guides above and at each side of the rollers to guide the articles as they are conveyed. As shown in Figs. 1, 3, a conveyer for bottles comprises rollers 11 freely mounted on pins 12, the ends of which form the pivotal connections for the links 14 of a pair of parallel endless chains. The rollers pass round a driving sprocket 16 and an idler roller 18 supported on uprights 17, 19 respectively, and over tracks 22, 23. Guides 26 secured to the track 22 prevent excessive laterai movement of the conveyer, whilst members 27 secured to the uprights 17, 19 guide the bottles. By replacing the guides 26 by a guide 32 lying within a groove 33 in the rollers 11, Fig. 4, the bottles are divided into two rows and excessive lateral movement of the chains is prevented. In a modification, Fig. 5, two tracks 34 are provided, engaging in grooves 36 in the rollers 11, whereby the rate at which the bottles move relatively to the conveyer, is increased.
Patent GB-314903-A (GB)
Title: Manufacture of dyestuffs
IPC: C09B3/30
Filed: 1929-07-04
Abstract: 314,903. Soc. of Chemical Industry in Basle. July 4, 1928, [Convention date]. Addition to 262,774 and 294,486. Halogenated dibenzanthrones are prepared by treating 2.2'-dibenzanthronyl, in presence of a liquid organic diluent, with more than 5 times its weight of ferric chloride. The products dye cotton in blue shades fast to water. An example is given in which trichlorbenzene is used as diluent. Specification 203,533 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) is not restricted to the use of a liquid organic diluent, and also covers the manufacture of dyestuff preparations by converting the dyestuffs described above into leuco-compounds and leuco-ester salts. This subject-matter does not appear in the Specification as accepted.
Patent GB-1244693-A (GB)
Title: Toothpick package
Inventor: OUIMET DELPHIS ROGER
IPC: B65D77/02
Filed: 1969-04-22
Abstract: 1,244,693. Package for toothpicks. D. R. OUIMET. 22 April, 1969 [3 May, 1968], No. 20569/69. Heading B8C. [Also in Division A5] A toothpick dispenser package comprises a wooden sheet divided into a plurality of toothpicks 12, joined to a base (40), a wrapper 13 completely surrounding the toothpicks and an envelope 10 enclosing the wrapper and toothpicks. The envelope has an openable flap 19 and the wrapper has perforations 14 across the top and down the middle of its front face to facilitate opening. The envelope is formed by folding a cardboard blank (Fig. 3) and the base (40) of the toothpick sheet is secured to the envelope by a staple 15. The toothpicks may be treated in an aromatic solution before packaging.
Patent GB-897743-A (GB)
Title: Improvements in or relating to pharmaceutical compositions containing polyglycol
IPC: A61K9/06
Filed: 1959-06-16
Abstract: An aqueous gel comprises 25 to 40 gms. per 100 ccs. of water of a polyglycol of the formula HO-(C2H4O)x-C3H6O) y-(C2H4O)z-H where y is 25 to 31 and x+z is 130 to 170.  These polyglycols are described in Specification 731,603, and a suitable one is sold under the Registered Trade Mark "Pluronic F-68" and has a molecular weight between 7,500 and 9,000.  The gels are electrically conductive and this property may be improved by minor amounts of soluble alkaline earth or alkali metal salts of strong inorganic acids, e.g. NaCl, CaCl2 or Na2SO4.  Uses: Contact pastes for electrography, cosmetics, medical lubricants, excipient for ointments (see Group VI).ALSO:Aqueous gels which are used as electrographic contact pastes, pharmaceutical excipients, lubricants and cosmetics (e.g. hair-fixing compositions) comprise 25 to 40 gms. per 100 c.c. of water of a polyglycol of the formula HO-(C2H4O)x-(C3H6O) y-(C2H4O)z-H where y is 25 to 31 and x+z is 130 to 170.  These polyglycols are described in Specification 731,603, and a suitable one is sold under the Registered Trade Mark "Pluronic F-68."  The gels are electrically conductive and this property may be improved by minor amounts of soluble alkaline earth or alkali metal salts of strong acids, e.g. NaCl, CaCl2 or Na2SO4.  Also described is an anti-rheumatic ointment (Example 4) comprising "Veratrole," menthol and chloral in the gel.
Patent GB-485069-A (GB)
Title: Landing flaps on aircraft
IPC: B64C3/54
Filed: 1937-07-27
Abstract: 485,069. Controlling tailless aero - planes. DEUTSCHE VERSUCHSANSTALT FUR LUFTFAHRT E. V. July 27, 1937, No. 20729. Convention date, July 27, 1936. [Class 4] A tailless aeroplane is provided with slot ted flaps 3, 4, Fig. 1, each having a chord in excess of 50 per cent of that of the wing 1 as shown in Fig. 2. The means of adjustment may be such that the inner flap sections 3 are moved positively through a greater angle than the outer flap sections 4, for instance an angle of deflection double that of the outer sections. According to the Specification as open to inspection under Sect. 91 the aeroplane is provided with combined ailerons and elevators 2. This subject-matter does not appear in the Specification as accepted.
Patent GB-902829-A (GB)
Title: A process for improving photographic tonal reproduction
IPC: G03C5/08
Filed: 1959-06-17
Abstract: 902,829. Photographic processes. AGFA A.G. June 17, 1959 [June 19, 1958], No. 20834/59. Class 98 (2). A process for improving photographic tonal reproductions in silver halide emulsions by the combination of two exposures comprises making an image-forming non-diffused exposure and a diffused non-image-forming exposure under the following conditions, namely that (i) the imageforming non-diffused exposure is either an exposure having a duration of 1/100 sec. or less or in the combination of a short exposure having a duration of 1/100 sec. or less and an exposure of lower intensity and lasting at least 100 times the duration of the short exposure; and (ii) the diffused non-image-forming exposure is of lower intensity than the short image-forming exposure and is of a duration of 1/100 sec. or more. Preferably the exposure time of the short imageforming exposure is shorter than the exposure time of the diffused non-image-forming exposure by at least the factor of 10, and the exposure quantity of the diffused exposure is such that when used alone, it does not produce any photographic image density after the conventional processing of the photographic material. Specification 829,999 is referred to.
Patent GB-1097066-A (GB)
Title: Optical system for performing digital logic
IPC: H03K3/42
Filed: 1965-05-18
Abstract: 1,097,066. Lasers. RADIO CORPORATION OF AMERICA. May 18, 1965 [May 25, 1964], No. 20954/65. Heading H1C. A semiconductor laser diode includes a junction region adapted for light signal amplification in a first direction and adapted for laser oscillation in a second intersecting direction. Portions of two opposite faces of a parallelepiped junction laser, Fig. 1 (not shown), are coated or cut to be partially reflective to maintain laser oscillations when the diode is d.c. biased, an output light signal being thereby emitted from these faces. The other two faces of the diode perpendicular to the planar junction are made non reflective by providing quarter wave non reflecting coatings or by being made optically rough so that an incident light signal on the edge of the junction of these faces passes along the junction and is amplified. When the optical power density in the region where laser oscillations occur exceeds the equilibrium point, Fig. 3 (not shown) the laser oscillations are quenched and the output light signal is extinguished. In the arrangement of Fig. 2 (not shown), a second diode laser constructed in the same way as the first, is arranged in tandem with the first so that laser oscillations of this second diode are also extinguished when a light input signal is applied. A logic gate which can be used to perform the NOR or NAND function, Fig. 4, employs two diodes arranged in parallel. Fig. 5 shows two similar regions 62, 64 arranged to constitute a bistable multivibrator, there being a light output at 72 or at 68 dependent upon which of the laser oscillations 76 and 82 are extinguished by the input light signals 66 and 70. A free running light signal oscillator, Fig. 6, comprises a single diode laser as in Fig. 1, wherein the output light laser oscillations are coupled back to the input light signal edge by an optical fibre, deposited film optical waveguide or mirrors. Included in the feedback path is an optical delay line.
Patent GB-1009335-A (GB)
Title: Improved circuit arrangement for supplying a d.c. load and charging a secondary battery
Inventor: PARTINGTON WALTER
IPC: H02J7/14
Filed: 1961-06-09
Abstract: 1,009,335. Standby arrangements; charging batteries. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. May 3, 1962 [June 9, 1961], No. 20956/61. Heading H2H. In an arrangement including a D.C. load and a secondary battery both connected to the output of a full-wave rectifier, the battery circuit comprises a unidirectional current device whereby charging current is supplied at a voltage level higher than the mean voltage of the rectifier output. As shown, a full-wave rectifier 1 has its output connected over a smoothing choke 9 to load terminals 4, 5, in . parallel with which is a series circuit including a battery 6 and a unidirectional current device 7 shunted by a switch 8. If the A.C. input to the rectifier 1 is sinusoidal the peak value of the voltage appearing at the output is 1À57 times the mean value, so the device 7 is arranged to conduct only at crest voltage periods whereby the battery is intermittently charged with current at a relatively high voltage level. The switch 8, which may be operated automatically when the A.C. supply fails, is closed when it is desired to supply the load from the battery. The charging circuit may include a choke 10 shunted by a switch 11 which is open during the gassing period of the battery. The A.C. input may be derived from a brushless inductor alternator (Fig. 3, not shown).
Patent GB-886072-A (GB)
Title: Improvements in and relating to housings for rotary machines
IPC: F01C21/10
Filed: 1960-06-15
Abstract: 886,072. Rotary compressors. SVENSKA ROTOR MASKINER A.B. June 15, 1960 [June 17, 1959], No. 20994/60. Class 110 (2). In a rotary compressor of the intermeshing screw type comprising a housing section 32, 30 having an end plate 34 secured thereto by conical or cylindrical pins 50, the adjacent surfaces of the members 30, 34 are provided with at least one co-operating groove and cam arrangement 70, 72 for assembly and alignment purposes, the groove 70 being concentric with the rotor bore. For embodiments incorporating multiple cam-and-groove arrangements, Figs. 9 . . 20 should be referred to.
Patent GB-569301-A (GB)
Title: Improvements in or relating to aircraft anti-icing or de-icing arrangements
IPC: B64D15/16
Filed: 1943-12-15
Abstract: 569,301. Anti-icing devices. PESCO PRODUCTS CO. Dec. 15, 1943, No. 21019. Convention date, Dec. 5, 1942. [Class 4] An aircraft surface subject to ice formation is provided with a porous cover, and a mixture of air and de-icing fluid is delivered to the back of the cover so that the fluid is carried by the air through the pores. In one form, the leading edge of a wing is provided with a cover 10 of porous bronze and a dry air pump 12 delivers air through a conduit 11 to the back of the cover, alcohol being delivered to the conduit from a container 13 through an adjustable metering passage 14a. A byepass valve 17 and blow-off valve 16 are provided in the conduit. In an alternative form the alcohol is delivered by a metering pump to a nozzle at the throat of a venturichoke within the conduit 11. The air pump and metering pump may be driven by separate electromotors.
Patent GB-170106-A (GB)
Title: Improvements in or relating to the manufacture of furnace electrodes
IPC: H05B7/085
Filed: 1920-07-12
Abstract: In the manufacture of electric furnace electrodes, the moulded bodies are first baked in gas-tight retorts, the tar &c. vapours evolved being condensed, preferably in fractions.
Patent GB-688713-A (GB)
Title: Improvements in or relating to centrifugal machines
IPC: B04B11/08
Filed: 1950-06-12
Abstract: 688,713. Centrifugal - separators. WESTERN STATES MACHINE CO. June 12. 1950 [June 14, 1949], No. 21092/51. Divided cut of 688,707. Class 23 Solids are removed from the wall of a rotating basket by a scraper movable outwardly to and axially along the basket wall, the scraper being power operated by yieldable means which override means biassing the scraper inwardly. The scraper 20 is carried by a square shaft 21 slidable in a housing 72 pivoted at 70 to the basket curb 14. The housing is swung, to move the scraper outwardly, by the action of an air pressed plunger 74. The outward movement of the scraper is opposed by a resilient buffer 75 and a return spring 88, a stop 72a being provided to prevent damage of the basket wall. The upward and downward movement of the scraper is given by a plunger 94 working in a double-acting air cylinder 92 mounted on the housing. The scraper is detachably coupled to the plunger 94, and may be held in its upper position by a ledge 102 in the event of a failure of the air supply. The movements of the scraper are automatically controlled by an electrical circuit having timers operating solenoid controlled air valves, flow controls being incorporated in the air supply lines so that the outward movement of the scraper is slower than its inward movement, and the downward movement of the scraper is slower than its upward movement.
Patent GB-905871-A (GB)
Title: Improvements in and relating to the manufacture of padded panels
Inventor: SMITH JOHN HAROLD
IPC: A47C7/18
Filed: 1960-06-16
Abstract: 905,871. Laminates. DALMAS Ltd. April 24, 1961 [June 16, 1960], No. 21137/60. Class 140. A laminated padded panel is made by applying a self-adhesive coating, covered by a strippable paper, to the reverse side of a backing sheet of polyvinyl chloride or of fabric or paper coated with a heat-weldable composition such as polyvinyl acetate or a vinyl chloride/acetate copolymer, applying padding material as defined below, followed by a cover sheet of P.V.C., and heat-welding all layers together in localized areas, e.g. by parallel H.F. heat-pressure bars. The padding material may be P.V.C. foam, or other foam, coated if necessary with heatweldable material, or cellulose acetate fibre or felt. The P.V.C. cover sheet used may be embossed, printed or otherwise decorated or/and may be decorated during welding by use of heat transfer paper to apply colour or metal powder to the heat-sealing lines. The products are securable adhesively, after stripping off the paper layers, to constitute upholstery for cars &c., or decorative or protective pawls for walls, doors or furniture. A suitable self-adhesive comprises butadiene-styrene rubber, crepe rubber, the methyl ester of a hydrogenated resin acid, terpene resin, hydrogenated ester gum, and zinc oxide.
Patent GB-443475-A (GB)
Title: Improvements in cell drum suction filters
IPC: B01D33/00
Filed: 1935-07-25
Abstract: 443,475. Filters. GERLACH, A., and HOCHEISEL, W., 3, Darrweg, Nordhausen, Harz, Germany. July 25, 1935, No. 21170. Convention date, July 26, 1934. [Class 46] The cells of a rotary drum suction filter are provided at each end with outlet slots f, f<1> which are offset relatively to each other and from which the filtrate flows directly in every position of the drum into distribution rings d, d<1> situated at both ends of the drum. At the point where the filter cake is removed by a scraper the slots f, f pass compartments h in the rings d, d<1> through which compressed air is supplied for blowing back the filter cake.
Patent GB-1151150-A (GB)
Title: Improvements in or relating to Lamps.
Inventor: MANN KITTSON
IPC: F21L4/00
Filed: 1968-05-06
Abstract: 1,151,150. Electric battery lamps. CHUNG MEI METAL & PLASTIC FTY. Ltd. 6 May, 1968, No. 21266/68. Heading F4R. A battery lamp comprises a casing 10 consisting of two relatively shallow dish-shaped parts 11, 12 hinged together at 13, one part 12 housing a frame 25 carrying a pair of bulb sockets 26, 28 at right-angles to one another and the other part 11 housing a switch device 23 having a pair of operating knobs (24, 25, Fig. 1, not shown) for controlling the bulbs independently. The casing parts are held closed by a spring 21 and carry the respective halves 18A, 18B of a red hood which encloses the bulb 27, and the part 11 has a window structure 14 with an aperture 16 through which the bulb 29 projects. The frame 25 is adapted to hold two pairs of dry cells in series as shown by the arrows, the cells of each pair being in parallel. A carrying handle 19 pivoted to the part 11 may also be used as a stand.
Patent GB-187191-A (GB)
Title: Improvements relating to coal cutting and similar machines
IPC: E21C29/10
Filed: 1921-05-06
Abstract: 187,191. Cowlishaw, Walker, & Co. (1920), Ltd., and Moore, M. S. May 6, 1921. Coal-cutting machines. -In machines of the type in which the haulage drum is rotated from the driving motor through ratchet mechanism of the kind in which the inoperative movement of the driving pawl carrier is effected more rapidly than the driving movement, motion is transmitted from a continuously revolving driving shaft a to an oscillatory driving pawl-carrier h, provided with a pawl d operating a ratchet wheel e fixed on a shaft g geared to the haulage drum c, through a slidable connection comprising a block a<3> mounted on a crank a<1> of the shaft a and adapted to slide within a slot h<1> in the pawlcarrier h. The other end of the carrier h is pivotally mounted on bosses provided on the ratchet wheel e upon which is also mounted a concentrically disposed plate integrally formed with a toothed segment j<1> and a shield j<2> adapted to be moved into position between the teeth of the ratchet wheel and the driving pawl by means of a worm k. Specification 184,264 is referred to.
Patent GB-405017-A (GB)
Title: Improvements in or relating to the manufacture of alkali metal hydrides
IPC: C01B6/04
Filed: 1932-07-28
Abstract: Alkali metal hydrides are obtained by reacting hydrogen with a molten alkali metal which is distributed in a finely divided state in an inert liquid hydrocarbon oil.  The alkali metals referred to are lithium, sodium, potassium, rubidium and calcium.  The liquid hydrocarbons which may be employed include tetralin, commercial paraffin oil, commercial lubricating oil and a mixture of higher paraffin hydrocarbons.  The reaction is preferably carried out at 230--400 DEG  C. and under increased pressure, e.g. 100--500 lbs. per sq. inch.  The reaction may be carried out in a pressure vessel clamped in a shaking machine comprising a receptacle carried on the upper end of a hinged vertical arm which is reciprocated.  The hydride formed may be periodically or continuously withdrawn from the reaction vessel and separated from the accompanying liquid, the latter being returned to the reaction vessel.  The alkali hydrides are obtained in a finely divided state or may be obtained in the form of a paste &c. containing sufficient inert liquid to protect them from the air.  The hydrides may be separated from the hydrocarbons by filtration or distillation.  Examples are given.