baber/WOPTO huggingface dataset:
Patent GB-1387802-A (GB)
Title: Preparation of hydroxyquinolines
IPC: C07D215/38
Filed: 1973-10-22
Abstract: 1387802 Hydroxyquinolines from aminoquinolines KOPPERS CO Inc 22 Oct 1973 [14 Dec 1972] 49111/73 Heading C2C Hydroxyquinolines are made by hydrolysing aminoquinolines in an aqueous oxidic solution at 160-220‹ C. under 75-325 p.s.i.g. The aminoquinolines are made by nitrating quinoline and reducing the resulting nitroquinolines.
Patent GB-1137304-A (GB)
Title: Electrolytic production of grey oxide coatings on aluminium alloys
IPC: C22C21/00
Filed: 1966-11-03
Abstract: 1,137,304. Anodizing aluminium; alloys. SWISS ALUMINIUM Ltd. Nov.3, 1966 [Nov. 5, 1965], No.49391/66. Headings C7A and C7B. A method of producing a grey oxide coating on an article of an aluminium alloy containing 0À5 - 2% silicon and 0À4 - 1% iron with or without one or more of copper, e.g. up to 0À2%; manganese, e.g. up to 0À8%; chromium, e.g. up to 0À4%; titanium, e.g. up to 0À1%; and magnesium e.g. up to 1%, as incidental elements comprises annealing the alloy at a temperature between 550‹ C. and the solidus temperature of the alloy e. g. within the range 570 - 620‹ C. for 1 - 24 hours, hotworking the alloy by rolling, extrusion or forging to form the article and subsequently anodizing the article in an electrolyte containing sulphuric acid. Anodizing may be carried out using direct, alternating or pulsating current. The electrolyte may also contain oxalic acid and mineral salts, e. g. aluminium sulphate. In an example the articles formed are hot-hardened at 180‹ C. and pickled in ammonium bifluoride prior to anodizing.
Patent GB-993488-A (GB)
Title: A process for the preparation of p-phenylene-bis (3,3-isovaleric acid)
IPC: C07C57/34
Filed: 1963-12-16
Abstract: In the manufacture of p-phenylene-bis(3,31-isovaleric acid) by condensing benzene with 3-methylcrotonic acid in the presence of a Friedel-Crafts catalyst, the production of a glazed product adhering to the wall of the reaction vessel is avoided by using only 1.3 to 1.7 mols. of 3-methylcrotonic acid per mol. of benzene. 3-Phenylisovaleric acid is thus produced at the same time.  A number of Friedel-Crafts catalysts are specified, and the reaction is suitably effected at 25-80 DEG  C. in the presence of a solvent, e.g. carbon disulphide.  An example is given. Specification 993,489 is referred to.
Patent GB-1306739-A (GB)
Title: Hood for an aquarium
IPC: A01K63/06
Filed: 1970-10-21
Abstract: 1306739 Fish tanks PRECISION VALVE CORP 21 Oct 1970 [13 Nov 1969] 49880/70 Heading A1A [Also in Division F4] An aquarium hood, comprising two box-like parts, the first part 22 Fig. 1 in the form of a tray being positioned on and at the rear of the top of the aquarium, the second part 21, which houses lamps 101, 102, being connected by pivoting links 24 to the first part such that it is moveable from a normal position A Fig. 4 to three other positions B C and D on top of the first part.  The first part could be provided with a lid 25, and may house water circulating, aeration, irradiation, heating and filtering equipment. The illuminating means may be a long wave ultraviolet lamp, the irradiation may be by a short wave ultra violet lamp.
Patent GB-1404555-A (GB)
Title: Process for photoelectrophoretic image production
IPC: G03G9/12
Filed: 1973-10-26
Abstract: 1404555 Photo-electrophoretic materials and processes CIBA-GEIGY AG 26 Oct 1973 [26 Oct 1972] 49886/73 Headings G2C and G2H A photo-electrophoretic material comprises a transparent electrode and a suspension of a metal complex compound of a phthalocyanine spectrally sensitized in an insulating liquid. The sensitizer is preferably a tri-or penta-methine cyanine dye and the phthalocyanine is preferably Cu in the alpha or beta form or polychloro copper phthalocyanine. The material may be processed as disclosed in Specification 1124625 and may be used for multi-colour work. The suspension may contain a binder.
Patent GB-989606-A (GB)
Title: Hydraulic pump or motor
IPC: F01B3/00
Filed: 1963-12-19
Abstract: 989,606. Hydraulic motors and pumps. UNIPAT A.G. Dec. 19, 1963 [Dec. 19, 1962; Feb. 27, 1963], No. 50187/63. Heading F1A. An axial piston motor comprises a rotary cylinder block 1, a pair of pistons 3, 4, in each cylinder 2 bearing on inclined plates 8, 17, and a stub axle 31 fixed to the block 1, through which axle pass liquid passages 41, 42. The drive shaft 27 and stub axle 31 are located in bearings 29, 36 respectively and a bearing 63 opposes the axial thrust produced by the valve plate 47. A flange 64 on the shaft 27 bends elastically under this thrust. Hydraulic pressure acting in bores 48, 49 in the valve plate 47 and spring pressure in blind bores lying between the bores 48, 49 hold the plate 47 against the cylinder block 1. The invention is also applicable to an hydraulic pump and the face valve may be replaced by a pintle valve.
Patent GB-1235759-A (GB)
Title: Fat compositions
IPC: A23L27/60
Filed: 1968-10-22
Abstract: 1,235,759. Fat compositions. GENERAL FOODS CORP. 22 Oct., 1968 [30 Oct., 1967], No. 50191/68. Heading A2B. A composition for reconstitution with an aqueous liquid comprises a dried emulsion of a fat, an emulsifier, a water soluble or water dispersible caseinate, whey, and a buffer, said buffer being of a nature and present in an amount so as to provide a pH of 4.6 to 5.1 in the emulsion to minimise curdling of the emulsion during preparation and reconstitution. A suitable buffer is an alkali metal salt of an hydroxycarboxylic acid, for example trisodium citrate. A gum may also be present.
Patent GB-1168529-A (GB)
Title: Improvements in and relating to Breath Alcohol Determination
Inventor: LUCKEY MANLEY J
IPC: G01N33/98
Filed: 1967-11-07
Abstract: 1,168,529. Gas analysis. LUCKEY LABORATORIES Inc. Nov.7, 1967, No. 50457/67. Heading G1B. Apparatus for determining alcohol in human breath comprises a first inflatable and expansible container e.g. a balloon 26 which can be expanded to a selected size by a person blowing through a mouthpiece 28 through a check valve 29, a tube 10 containing a reagent which changes colour in the presence of alcohol vapour connected to the outlet of the balloon 26 and leading to a second inflatable but non-expansible container e.g. a polyethylene bay 27 which has a predetermined inflated capacity, the arrangement being such that when the balloon is inflated it exerts a selected pressure on the breath therein, and material in the tube is packed so that it defines a selected impedance to gas flow therethrough these two features co-operating to provide a predetermined rate of flow of breath through the tube 10. The colour change reagent is preferably a mixture of a chromate ion producing substance and sulphuric acid on silica gel and this is disposed in layers between layers of inert material e.g. glass grit. In use the balloon 26 is inflated by the person under test with its outlet closed by pinching or twisting. When it has been inflated to the selected size the outlet is opened and the breath passes through the tube 10 to fully inflate the bag 27. In place of the balloon 26 an ordinary balloon may be used and this is connected to the tube 10 after inflation. Also, the mouthpiece 28 may be formed as a T-piece with an extra inflatable but non- expansible bag connected to the arm of the T. In this case the balloon will not be inflated until this extra bag is full and the volume of this bag is arranged to be approximately that of a human mouth and bronchial tract. Further, if desired, a tube containing an alcohol absorbent e.g. magnesium perchlorate may be substituted for the tube 10, alcohol absorbed thereon being subsequently analysed in a laboratory.
Patent GB-1292084-A (GB)
Title: A method and arrangement for electronic control of the braking means of wheeled vehicles
Inventor: JONASON ARNE HOLGER
IPC: B60T8/176
Filed: 1970-10-23
Abstract: 1292084 Antiskid braking systems SAABSCANIA AB 23 Oct 1970 [27 Oct 1969] 50458/70 Heading F2F In antiskid system the speed of the wheels 1 is determined by a tachogenerator 7 and is compared with the vehicle speed, determined by integrating pulses from accelerometer 9 and errors in the vehicle speed so obtained are reduced by updating the speed-representing signal during braking using a reference wheel 19, preferably the left rear wheel, which is intermittently released to become free-running. Pulses from tachogenerators 7 are fed to an electronic circuit 8 and are converted at 22 into square wave pulses 6 which drive a frequency halving flip-flop 23 transmitting pulses C which control an analogue gate 24 which switches the voltage signal e, corresponding to the predicted vehicle speed, to an integrator 25. The signal e is switched on during interval T = K 2 /v, where T is the interval duration, # is the speed of wheel 1 or 19, and K 2  is a constant; the voltage Ui corresponding to vehicle speed V is U i =K 1 /V, where K 1  is a constant. The output of integrator 25 is K i K 1 K 2 V/#, where K is constant. Thus, the output of integrator 25 is proportional to the ratio of vehicle speed to that of wheel 1 or 19. A comparator 26 compares the output voltage from integrator 25 with predetermined adjustable level therein and the output therefrom is connected to a memory flip-flop 27 which transfers the signal to an amplifier 29 only when a clock pulse k is supplied to another input of the flip-flop from a logic circuit 28 produced by combining and integrating pulses b and c from the pulse shaping circuit 22 and flip-flop 22. The output from accelerometer 9 is amplifled at 30 and passed to integrator 31 forming part of a top follower which includes the updating circuit 32 comprising an amplifier and a potential sensing diode 33 between the circuit and integrator 31. The output of integrator 31 is compared with a signal representing true vehicle speed sensed at wheel 19 when free running, pulses a derived therefrom being shaped at pulse shaper 20 and fed to a constantpulse generator 34 in a block 21 of the circuit 8 for wheels 1, 19. Pulse generator 34 generates pulses at a frequency proportional to wheel speed which are summed at 35 so that the output corresponds to the maximum speed of wheel 19 when free running and thus equivalent to the true speed of the vehicle. Updating circuit 32 then compares the intermittent speed signal with the integrated accelerometer output.
Patent GB-1333052-A (GB)
Title: Device for producing cold at temperatues below the lambta- point of helium
IPC: F25B9/08
Filed: 1970-10-23
Abstract: 1333052 Refrigerating PHILIPS GLOEILAMPENFABRIEKEN NV 23 Oct 1970 [28 Oct 1969] 50502/70 Heading F4H Apparatus for producing cold at a temperature below the lambda transition point of He<SP>4</SP> comprises a Joule-Kelvin system having a compressor 1 which passes high pressure helium through a series of pre-coolers 4, 6, 7 and countercurrent heat exchangers 5 to a throttle device 9 formed by an ejector, one portion of the expanded helium recycling back to the suction side of the compressor via the heat exchangers 5 and the other passing via a further heat exchanger 13 and expansion valve 15 to a heat exchanger 18 in thermal contact with helium in a container 16 at a low pressure which communicates with the suction side of the ejector 9. A superleak 19 is connected to the heat exchanger 18 to remove superfluid and to a cooling region 20 which in turn is connected to the container 16 through a turbulence duct 21. Since no thermal energy is transported by the superfluid helium through the superleak to the region 20, the portion of normal helium created from the superfluid on heat extraction into the region 20, is removed together with the superfluid through the turbulence duct 21, thus removing thermal energy from the region 20 and maintaining temperatures therein of approximately 1‹ K. A further superleak 23 formed by ceramic portion 24 of a tube transfers superfluid He to an apparatus 27 which is to be cooled, e.g. electric components, infra-red cells or resonant cavities.
Patent GB-1323938-A (GB)
Title: Phenolamine-aldehyde condensation products
IPC: C08L63/02
Filed: 1970-10-26
Abstract: 1323938 Phenol-amine-aldehyde condensation products SCHERING AG 26 Oct 1970 [28 Oct 1969] 50671/70 Heading C2C [Also in Division C3] The invention comprises a condensation product of a phenol, a trimethylhexamethylenediamine and an aldehyde, the phenol, trimethylhexamethylenediamine and aldehyde having been condesnsed in the relative molecular proportions of 1-1À5 : 1 : 0À3-0À5. An example is given for the production of a condensation product. It is useful as a hardener for epoxy resins.
Patent GB-1459789-A (GB)
Title: Combination of photosensitive materials suited for use in radio graphy
IPC: C09K11/77
Filed: 1973-11-01
Abstract: 1459789 Radiographic intensifying screens AGFA-GEVAERT 1 Nov 1973 [3 Nov 1972] 50829/73 Heading H5R A radiographic recording material comprises in combination at least one X-ray fluorescent material having more than half its emission above 410 nm. and having its emission maximum in the range 480-620 nm. and having a coverage of 250-600 g./sq. m. of fluorescent substances in a layer 70-250 Á thick, the intensification factor being at least 20 at 40 kV. and at least 25 at 80 kV., the screen containing a dye or pigment or a mixture of one or both of these to absorb light in the emission spectrum of the fluorescent substances; and a photosensitive silver halide material which comprises a support and at least one silver halide emulsion layer the support and layers having a combined absorption spectrum at least 50% of which corresponds to the emission spectrum of the fluorescent screen in the range 360-600 nm., the said combined absorption being such that in the range of overlap of the absorption and emission spectrum the optical density resulting therefrom comprises values in the range 0À6-1À3 due to the inherent absorption of the emulsion layer and at least one colouring substance in the recording material, silver halide grains in the emulsion having been sensitized for visible light in the range 480-600 nm. The fluorescent material can include a lanthanum or gadolinium oxybromide, oxychloride or oxysulphide activated with terbium or dysprosium: a typical composition is a mixture of yttrium oxysulphide activated with 0À1% to 10% wt. terbium or with terbium and dysprosium and gadolinium or lanthanum or lufetrium oxysulphide activated with terbium or dysprosium with a grain size of 1-25 Á.
Patent GB-1018765-A (GB)
Title: Apparatus and method for producing colours and patterns in manufactured articles
IPC: D05C15/26
Filed: 1963-12-24
Abstract: 1,018,765. Tufting machines. IMAGE DESIGNS Inc. Dec. 24,1963 [Jan. 11,1963], No. 50982/63. Heading DIG. [Also in Divisions G1 and G3] A tufting machine is modified for use in a programmed electric control system (see Division G3) by coupling the drive shaft 63 for a needle-bar 10, driven by eccentrics 62, to a drive motor, not shown, through a magnetic clutch 64. In operation a master composition 14 is scanned line-by-line by a flashing light illuminating elemental areas of the line and the derived light pulses are analysed by a computor 18 and converter 19 intG binary-coded signals, representative of which 27 standard colours match the scanned elemental areas. The binary-coded signals are recorded on a magnetic tape moving with a conveyer 12 and actuate corresponding reading heads 50 to cause a bit of yarn to be fed from a spool 15 by a charging device 16 on to the conveyer 12. When yarn bits for the whole of a line of the master have been transferred to the conveyer a reading pulse is read by a head 61 so that when the conveyer 12 is in proper coincidence with the array of hooks 11 the magnetic clutch 64 is actuated and the yarn bits are transferred to a backing material 13.
Patent GB-1177149-A (GB)
Title: Element Treated to reduce the Accumulation of Static Electric Charges thereon
Inventor: MILLER DONALD NELSON
IPC: G03C8/52
Filed: 1967-11-09
Abstract: 1,177,149. Coated paper. EASTMAN KODAK CO. 9 Nov., 1967 [14 Nov., 1966], No. 51000/67. Heading B2E. [Also in Divisions C3 and G2] Paper coated on both sides with polyethylene is coated on one polyethylene surface with a mixture of colloidal silica and at least one alkali metal salt of an alkyl aryl polyether sulphonate to reduce the accumulation of electrostatic charges thereon. The polyethylene coating may be applied by hot melt extrusion or lamination of a preformed sheet. The paper stock may be tub sized with a mixture of gelatine and a conducting salt, e.g. an alkali metal sulphate such as sodium sulphate, which acts as an internal antistat and provides for improved antistatic properties of the final product. The paper stock may be subjected to electron bombardment prior to the application of the polymer coatings. A primer of a polyalkylene amine such as polyethylene imine can be used to improve adhesion of the polymer to the paper. A polymeric dispersing agent such as sodium or potassium polyacrylate and an alkali metal salt of acrylic acid copolymers may also be present as well as additives such as zinc oxide, hydrochloric acid, citric acid or oxalic acid, the acids being present in amounts of from 10 to 50% based on the weight of the colloidal silica. A thickening agent such as a polysaccharide or a spreading agent such as tridecoxyhexaethoxy sulphonic acid may be included in the coating mixture which may be coated in amount of from 0.1 to 1.0 gm./sq. metre. Binding materials may also be included in the coating composition, for example, hydroxyethyl cellulose, a polystyrene latex, a styrene butadiene copolymer latex or a water soluble polymer such as polyvinyl alcohol. The wire side of the paper may have a coating of a styrene-butadiene copolymer before the polyethylene coating. Deliquescent salts such as calcium chloride, zinc chloride, zinc nitrate and potassium nitrite may be employed to increase the conductivity of the coatings. A silver halide emulsion layer may be coated on the other polyethylene surface.
Patent GB-1291585-A (GB)
Title: Film cartridges
Inventor: SUTLIFF ROBERT CLYDE
IPC: G03B17/26
Filed: 1969-10-17
Abstract: 1291585 Film cartridges EASTMAN KODAK CO 17 Oct 1969 [18 Oct 1968] 51098/69 Heading G2E  A cine film cartridge comprises a supply chamber 22, containing a coreless film roll 34, and a take-up chamber 24; the roll 34 being encircled by a ring 40 which separates the outermost convolution of the roll from the wall of the supply chamber as film is fed from chamber 22 into chamber 24.
Patent GB-1412397-A (GB)
Title: Suppression of unstable burning in rocket motors
IPC: C06B45/12
Filed: 1966-11-16
Abstract: 1412397 Rocket motors IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd and S W BELL 1 Nov 1967 [16 Nov 1966] 51411/66 Heading F3A Unstable burning in a solid propellant rocket motor is suppressed by combusting a silicone elastomer together with the propellant. The combustion of the elastomer produces a continuous uniform stream of small silica particles, of the order of one micron in size, in the exhaust gases of the motor. The silicone elastomer is preferably bonded to surfaces of the propellant of which combustion inhibition is required, and can be used for both solid propellant grains and case-bonded solid propellant rocket motors. For a propellant grain intended for use in a cartridge loaded motor, the elastomer is bonded to the surface of the grain, while for a casebonded motor, it is bonded as an intermediate layer between the grain and the motor casing. Where the elastomer is bonded to the propellant grain surface, a silicone adhesive or a polyvinyl acetal may be used as a bonding agent. The silicone elastomer may be unfilled, but for combustion inhibition it may incorporate fillers such as silica in finely divided form, salts and oxides of metals, asbestos, ferrous materials, antimony sulphide, magnesia and glass. The propellent grain may be first formed by casting, moulding or extrusion and the elastomer subsequently applied by spray or dip coating. Alternatively, the elastomer may be bonded to a preformed propellant grain in the form of sheet or film, or the elastomer may be first formed into a shell having the required configuation into which the propellant grain is cast or moulded. A portion of silicone elastomer equivalent to about 1% by weight of the combined weights of the propellent grains and elastomer is in most cases satisfactory for providing suppression of unstable burning and inhibition of combustion, although up to about 5% can be provided for fully suppressing unstable combustion, and up to about 20% for full combustion inhibition effects.
Patent GB-1452085-A (GB)
Title: Regulating circuits
IPC: H02P27/04
Filed: 1973-11-06
Abstract: 1452085 Controlling asynchronous motors ROBERT BOSCH GmbH 6 Nov 1973 [7 Nov 1972] 51462/73 Heading H2J Apparatus for operating an asynchronous machine 11 via an inverter 13-15 comprises a control pulse generator 20 for the inverter, a slip-frequency pulse generator 23 controlled by an accelerator pedal 27 to produce pulses f21 of a frequency indicative of a desired slip frequency, a tachogenerator 19 producing pulses f31 indicative of rotor speed, a pulse adder 22 adapted to add the two pulse trains to pass the combined signal via a divider 21 to the control input of the control pulse generator 20, and circuit means 24, 25 connected between the adder 22 and the outputs of the generators 23, 19 to separate in time overlapping pulses of the two signals f21 and f31 prior to their application to the adder 22. A timing pulse generator 26 produces pulses f02 and f03 which are phase displaced and which control D- and J-K flip-flops in each of the circuits 24, 25 to produce the required separated outputs. Details of the logic circuits involved in the devices 22, 24, 25 are given, see Fig. 2 (not shown).
Patent GB-1428398-A (GB)
Title: Method of making a photographic resist
IPC: G03F7/36
Filed: 1972-11-09
Abstract: 1428398 Developing photo-resist images KODAK Ltd 8 Nov 1973 [9 Nov 1972] 51783/72 Heading G2X A photographic resist image is made by washing away the relatively more water-soluble colloid from an imagewise-hardened supported layer of hydrophilic colloid by directing at the layer a steam-jet into which water-droplets have been introduced at a controlled rate. In the Figure, steam is passed through a water-trap 1 to a nozzle 2 below which a second nozzle 3 communicates with a water supply 4. Water-droplets are drawn from nozzle 3, by the reduction in pressure produced by steam issuing from nozzle 2, at a rate controlled by the dimensions of nozzles 2 and 3 and the steam pressure.