baber/WOPTO huggingface dataset:
Patent GB-1404795-A (GB)
Title: Preparation of graft copolymers
IPC: C08F265/00
Filed: 1972-12-01
Abstract: 1404795 Graft polymers NIPPON SHOKUBAI KAGAKU KOGYO CO Ltd 1 Dec 1972 [1 Dec 1971] 55631/72 Heading C3G A graft polymer is produced by grafting at least one ethylenically unsaturated monomer on to a substrate copolymer (AB) which has been prepared by copolymerization of at least one monomer (A) of the formula -O-CH 2 -CH 2 -NH 2  or -NH 2 , with a major amount of at least one ethylenically unsaturated monomer (B). Copolymer (AB) preferably comprises 0À1 to 20% by weight of monomer (A), 50À0 to 99À9% of at least one C 1  to C 18 - alkyl(meth)acrylate or styrene and up to 49-9% of at least one other monomer. Examples are given in which (a) monoallyl maleate (MAM)/n-butyl acrylate/acrylonitrile copolymer is grafted with acrylonitrile and styrene, the resulting product being blended with styreneacrylonitrile copolymer; (b) a graft polymer is produced as in (a), except that 2-ethylhexyl acrylate is as the acrylate monomer, or methacrylonitrile or vinylacetate is used in place of acrylonitrile, or monoallyl monohydroxyethyl maleate replaces MAM; (c) MAM/n-butyl acrylate/acrylonitrile/2-ethyleneglycol diacrylate, diallyl phthalate, trimethylol propane trimethacrylate or butyleneglycol dimethacrylate copolymer is grafted with acrylontrile and styrene; (d) a substrate as in (a) is grafted with methyl methacrylate, vinyl chloride or styrene, the product from the first two of these graft monomers being blended with polyvinyl chloride (e) MAM/styrene/divinyl benzene copolymer is grafted with n-butyl acrylate, or said acrylate and MAM, followed by styrene and acrylonitride; (f) a styrene divinyl benzene copolymer, polyvinyl chloride, ethylene-vinyl acetate copolymer, polybutadiene or natural rubber latex is used as seed latex in the preparation of MAM/ n-butyl acrylate copolymer, which is then grafted with styrene and acrylonitrile; (g) a substrate copolymer as in (a) is grafted with styrene and mono-isobutyl maleate, the latex produced being treated with aqueous ammonia; (h) MAM/methyl methacrylate/n-butyl acrylate/ acrylonitrile copolymer is grafted with styrene, methyl acrylate and mono-isobutyl maleate, the resulting latex being treated as in (g); (i) graft polymers as in (h) are produced, except that the methyl methacrylate is replaced by isobutyl or lauryl methaerylate, or the maleate used is monoisopropyl maleate; (j) a substrate copolymer as in (a) is grafted with methyl methacrylate and mono-isobutyl maleate; (k) a substrate copolymer as in (h) or (a) is grafted with styrene, mono-isobutyl maleate and glycidyl methacrylate, the resulting latices being coated on to metal and baked; (1) a copolymer substrate as in (h) is grafted with 2.ethylhexyl acrylate, methyl acrylate, methacrylic acid and 2-hydroxypropyl acrylate, or with n-butyl methacrylate, N-methylolacrylamide and acrylamide.
Patent GB-1441470-A (GB)
Title: Preparation of ethylene oxide
IPC: C07B61/00
Filed: 1974-12-24
Abstract: 1441470 Ethylene oxide SOC ITALIANA RESINE SIR SpA 24 Dec 1974 [28 Dec 1973] 55712/74 Heading C2C [Also in Division B1] Ethylene oxide is obtained by catalytic oxidation of ethylene with molecular O 2  which comprises passing a gaseous stream containing ethylene and O 2  over a catalyst obtained by (a) impregnating particles of a subdivided inert support with a heat-decomposable Ag salt; (b) drying the impregnated particles while heating to a temperature not exceeding 160 C.; (c) passing a stream of superheated steam through the dried particles while raising the temperature to a selected value in the range from 270 to 350 C.; (d) progressively replacing the stream of superheated steam by air during a period of at least one hour while maintaining the temperature at a value substantially equal to the said selected value, and (e) maintaining the particles under the gaseous stream consisting of air for at least 30 mins, the temperature being still maintained at a value substantially equal to the said selected value. Specified supports are alumina silicon carbide, magnesium oxide and mixtures thereof.
Patent GB-1146227-A (GB)
Title: Improved archimedean screw pump
IPC: F04B19/12
Filed: 1967-12-08
Abstract: 1,146,227. Screw pumps. W. HUBERT & CO. MACHINEFABRIEK N.V. Dec. 8, 1967 [Dec. 12, 1966], No.56052/67. Heading F1C. In an Archimedian screw pump for conveying liquid from a lower level and discharging it at a higher level, the upper part of the screw projects beyond the inclined channel in which it operates and is surrounded by a liquid discharging casing mounted in a bearing so as to be freely rotatable about the screw, the free edge of the casing remote from the bearing having a curved shape relative to the axial length of the casing so that rotation of the casing varies the height at which liquid is discharged from it. The Archimedian screw pump shown comprises a screw 1 operating within an inclined channel to raise liquid from a lower basin 8 to an upper basin 10. The upper end of the screw 1 projects beyond the inclined channel and is surrounded by a casing 21 rotatably supported on three equally spaced rollers (17), 18, (19) which engage a peripheral groove 20. The casing 21 is of varying axial length around its periphery so that by rotating it by means of an electric motor 26 which is connected to the casing by a reduction gear-box and gearing 25, 24 the height above the bottom of the basin 10 of the lowermost point 28 of the discharge edge 27 of the casing can be raised. This height, which is the height at which the liquid is discharged into the basin 10, can therefore be adjusted so as to be no greater than is necessitated by the level of liquid in the basin 10. The adjustment can be effected automatically by a member floating in the liquid in the basin and operating a switch to run the motor 26, the motor being switched off when the casing 21 has been rotated to the appropriate position.
Patent GB-1143290-A (GB)
Title: New 2,4-diamino-6-quinazolinesulfonamide compounds and methods for their production
Inventor: DAVOLL JOHN
IPC: C07D239/95
Filed: 1967-12-08
Abstract: 1,143,290. Quinazoline derivatives. PARKEDAVIS & CO. 8 Dec., 1967, No. 56054/67. Heading C2C. 2,4 - Diamino - 6 - quinazolinesulphonamides (including acid addition and alkali metal salts and hydrates thereof) of the general formula wherein R 1  is H, C 1-4  alkyl or benzyl and R 2  is H or C 1-4  alkyl, are produced by reacting 2,4- diaminoquinazoline - 6 - sulphonyl chloride or an acid addition salt thereof (e.g. the sulphate is obtained by reacting 2,4-diaminoquinazoline sulphate with chlorosulphonic acid in the presence of sodium chloride) with a compound of the formula R 1 R 2 NH. Pharmaceutical preparations having antimalarial activity contain as active ingredient the above sulphonamides and administration is orally or parenterally.
Patent GB-1246992-A (GB)
Title: Rotary kiln for continuous carbonisation of coal without contact with heating gases
Inventor: TEMBE MADHUSUDAN RAGHUNATH
IPC: C10B1/10
Filed: 1968-11-28
Abstract: 1,246,992. Rotary kilns. M. R. TEMBE. 28 Nov., 1968, No. 56566/68. Heading F4B. A rotary kiln for the continuous carbonization of coal comprises spaced inner and outer shells D, A which provide therebetween passages C for heated gases from burners F, a chimney hood M communicating with the passages, a coal charging device J, J 2 , rollers R on which the kiln is rotated and a settling pool Q in which the coal is held during evolution of the volatile products which are exhausted through a pipe L in a stationary disc K. The passages C are straight or helical and are formed by radial refractory spacers which may be integral with the inner and/or outer shell. The burners F which are equal in number to the passages C, are mounted in a stationary casing G. The chimney hood M, disc K, chamber G, and a coke discharge chamber N are provided with flexible supports, and gas seals. The kiln may be horizontal and provided with a coal moving device, or inclined as shown.
Patent GB-1167979-A (GB)
Title: High Impact Absorption Cellular Composition
IPC: C08J9/30
Filed: 1967-12-13
Abstract: 1,167,979. Foamed butadiene/styrene copolymer. BORG-WARNER CORP. 13 Dec., 1967 [27 Dec., 1966], No. 56711/67. Headings C3C and C3P. A foamed copolymer of 25-50 wt. per cent butadiene copolymerized with 75-50% of styrene having an Arthur D. Little ball rebound at 65‹ F. of 5-20% is claimed. The copolymer may be prepared by polymerizing the styrene and butadiene, with optionally 0À25-10% of acrylic, methacrylic, crotonic, maleic, fumaric or itaconic acid replacing the styrene or butadiene, in an aq. emulsion, e.g. in the presence of dodecyl benzene sulphonate, potassium oleate, tetrasodium salt of ethylene diamine tetraacetic acid, tetrasodium pyrophosphate, potassium persulphate and/or tert. dodecyl mercaptan, to provide a polymeric latex which is then agitated e.g. with an alkylphenoxy (polyethoxy) ethanol, potassium oleate, a styrenated phenol, a triethyltrimethylenetriamine/stearic acid mixture and calcium carbonate, to provide a foam which is gelled, e.g. with a mixture of sodium silicofluoride and zinc oxide, and cured, e.g. by heating at 280‹ F.
Patent GB-1163720-A (GB)
Title: Coloured Transparent Thermoplastic Materials
IPC: C08K5/00
Filed: 1966-12-19
Abstract: 1,163,720. Polyvinylchloride compositions. MONTECATINI EDISON. S.p.A. 19 Dec., 1966 [21 Dec., 1965], No. 56823/66. Heading C3P. A coloured transparent P.V.C. composition for forming films or sheets comprises (1) a polymer or copolymer of vinyl chloride optionally containing other polymeric, e.g. acrylic, or A.B.S. polymers, (2) a thermal stabilizer which is an organo compound of Ba, Cd, Pb, Zn, Sn or Mg, (3) a co-stabilizer which is an epoxy compound, e.g. an epoxy ester such as epoxidized soybean oil, (4) an ultra-violet-ray absorber such as a benzophenone or a triazole, (5) a plasticizer composition comprising a dialkyl phthalate and one or more adipates, azelates, sebacates, phosphates, phosphites, alkylaromatic hydrocarbons and chlorinated paraffins, (6) a lubricant chosen from a C 12 -C 24  aliphatic acid or a Ba, Cd, Zn, Ca or Pb salt thereof (which may be the same as (2)), paraffin wax, polyamide wax, low M.W. polyethylene, silicon oils, lubricating mineral oils and C 12 -C 24  aliphatic alcohols and (7) a blue, red, yellow, violet or green dye.
Patent GB-1277606-A (GB)
Title: Method and apparatus for blowing a reducing gas into a blast furnace
IPC: C22B1/10
Filed: 1969-11-20
Abstract: 1277606 Treating gases with liquids FUJI IRON & STEEL CO Ltd 20 Nov 1969 [20 Nov 1968 (2) 6 Feb 1969 20 Feb 1969 (2)] 56872/69 Heading B1R [Also in Divisions C5 and C7] An apparatus for washing and cooling a gas from a gasifier comprises a chamber 61 into which a gas inlet pipe 8 depends, a cylinder 63 surmounted by a water-vapour separating plate 68 surrounding the end 62 of the pipe 8. Water is delivered at 66 and a controller LTC regulates the water level in the chamber 61 by actuating a valve 65 on a water outlet pipe 64. Cooled gas leaves at 67.
Patent GB-1419256-A (GB)
Title: Penicillins and processes for the preparation of penicillins
IPC: C07D205/00
Filed: 1972-12-13
Abstract: 1419256 6 [(1-Amino-cycloalkyl)actamido]- penicillanic acids AMERICAN HOME PRO DUCTS CORP 13 Dec 1972 [16 Dec 1971] 57404/72 Heading C2C New penicillins of the general formula wherein R and R<SP>1</SP> are each H or C 1 -C 3  alkyl, Y is -CH 2 -, n is an integer from 1 to 5 and Z is an amino group optionally protected with a removable blocking group, are prepared by reacting a compound of Formula III wherein Z is an amino group or a group convertible thereto, an azido group or a nitro group with 6-aminopenicillanic acid or a functional derivative thereof followed, if necessary, by conversion of the group Z to an amino group by conventional methods. Alternatively, an N-carboxy amino acid anhydride of general formula or a 1-aminocycloalkaneacetic acid chloride hydrochloride of general formula where n, R, R<SP>1</SP> and Y have the above meanings may be reacted with the penicillanic acid compound which, in either case, may be a silyl derivative, a phosphorylated derivative or a 6-aminopenicillanamide in which the amide group is -CONXY wherein X and Y are electron-withdrawing groups or form, together with the N atom, a cyclic electron-withdrawing group followed by appropriate reactions to regenerate the carboxylic acid group of the penicillanic acid moiety. Alternatively, X and Y may be concatenated to form a saccharyl or substituted saccharyl group. The compound 6 - [2 - (1 - aminocyclohexyl) - acetamido]- penicillanic acid has been prepared in two different crystalline forms both of which, together with their preparations, are described. As illustrations of the preparation of the starting compounds of Formula III, there are prepared: (a) 1-aminocyclohexane acetic acid by treating 1-azospiro[3,5]nonane-2-one with concentrated HCl (1-amino-2,6-trans-dimethylcyclohexane acetic acid hydrate; 1-aminocyclobutaneacetic acid; 2-(1-aminocyclooctyl)-2-methyl acetic acid 1-aminocyclooctaneacetic acid and 1- aminocycloheptane acetic acid being made similarly), (b) 1-aminocyclopentane acetic acid (and other similar acetic acid derivatives similarly) by reacting cyclopentanone with malonic acid and ammonium acetate (or with ammonium malonate) and, (e) the N-carboxy anhydrides of such acetic acid derivatives by treatment thereof with phosgene. Pharmaceutical compositions comprise the new penicillins of the invention in which Z is NH 2  in association or conjunction with conventional pharmaceutical carriers and excipients. They may be in forms suitable for oral, parenteral and topical administration.
Patent GB-1338569-A (GB)
Title: Receivers for frequency modulated oscillations
IPC: H03D3/04
Filed: 1970-12-04
Abstract: 1338569 Frequency demodulators LICENTIA PATENT-VERWALTUNGS-GmbH 4 Dec 1970 [15 Dec 1969] 57690/70 Heading H3A A frequency demodulator comprises a counting discriminator, such as 1, in which the incoming F.M. signals are initially limited to obtain rectangular pulses from which pulses of equal width are generated by differentiation, the latter pulses being used to generate a waveform (Fig. 3, not shown), e.g. by the charge and discharge of a capacitor 5, which contains the modulation information, an amplitude threshold circuit 7-9 for rejecting components of the waveform of amplitude below a given value which represents interference signals and an arrangement 10, 11 for extracting the modulation information. The demodulated output may be amplified at 13-16. In the alternative embodiment of Fig. 5 (not shown), the low-pass filter 10, 11 is interposed between the discriminator 1 and the threshold circuit. In a further embodiment (Fig. 6, not shown) the amplifying transistor 13 has its bias adjusted to provide the required threshold. The combination of the discriminator 1 and the threshold circuit 7-9 provides better selectivity (Fig. 4, not shown) against interfering signals than that provided by the discriminator 1 alone.
Patent GB-1247960-A (GB)
Title: Improvements in or relating to breathing assistors
IPC: A61M16/00
Filed: 1969-11-25
Abstract: 1,247,960. Breathing assistor. BOWLES ENG. CORP. 25 Nov., 1969 [26 Nov., 1968], No. 57712/69. Heading A5T. A fluidic breathing assistor comprises a bistable fluidic element 10 of the "wall attachment type" having a channel 33 for communication via conduit 35 to a patient and a channel 31 communicating with the ambient. A nozzle 11 leads to an interaction region 13 at one end of which a "V" shaped flow splitter 29 is provided each side forming one wall of channels 31 and 33. A feedback passage 43 with a valve 45 is provided from the channel 33 communicating with region 13 via a control nozzle 25. An opening 28 to the ambient communicates with interaction region 13 via vent passage 27 and via valve 30 to control nozzle 23. Vent passage 39 links channel 33 with the ambient. During inhalation gas flows through channel 33 from a gas source as shown by the arrows in Fig. 1. After inhalation the gas flow is switched by means of control nozzles 23 and 25, to channel 31 and exhaled air is entrained in this flow. The device can be combined with a nebulizer.
Patent GB-1433497-A (GB)
Title: Control circuit for fluid fuel combustion apparatus
IPC: F23N5/02
Filed: 1973-12-13
Abstract: 1433497 Fuel combustion control PARKINSON COWAN APPLIANCES Ltd 11 Dec 1974 [13 Dec 1975] 57929/73 Heading F4T A control circuit for a fluid fuel combustion apparatus which incorporates a combustion chamber, an electrically operated fuel or fuel/ air valve 10, and an electrically-actuatedigniter 11, comprising a timer 22 and a flame sensitive device the timer incorporating a heat-sensitive switch 23, and an electrically actuated heater 24, and the flame sensitive device incorporating a switch 25 which is closed in the absence of a flame in the combustion chamber, and open in the presence of a flame, current being supplied to valve 10 and igniter 11 by electric leads 19, 20, switch 23 being positioned in lead 19 and being initially closed, heater 24 being connected in series with the flame sensitive device switch 25 between leads 19, 20, whereby current will only flow to valve 10 and igniter 11 whilst switch 23 of timer 22 is closed, switch 25 remaining closed in the absence of a flame to permit current to flow through heater 24 thereby to open switch 23 of timer 22 after a pre-determined time interval during which no flame has been ingited to open switch 25. The circuit includes an indicator lamp 12 which is energised when power is connected to valve 10. A two speed fuel/air fan, a main on/off switch 15, a fuse 16, a temperature fusible link 17, a room thermostat 18, and a second fan 21, are provided.
Patent GB-1410810-A (GB)
Title: Compresses
IPC: A61F13/00
Filed: 1972-12-15
Abstract: 1410810 Surgical dressings MOLINEAR SA 15 Dec 1972 [20 Dec 1971] 58183/72 Heading A5R [Also in Division D1] A compress is formed by transversely folding a length A of knitted band having selvedges (1c) and cut ends into a pad so that the cut edges are inside the pad. A band comprising a single length or superimposed lengths of knitted tape, or a length of knitted tape initially folded lengthwise into two or three, has its cut ends each folded along a transverse fold A3 to the median transverse axis of the band, the resulting folded band being folded on itself about the median transverse axis to enclose the cut ends. The tape knitted from natural or synthetic threads with an open texture, comprises longitudinal chains (1b) connected by looped threads (1a), the selvedges being formed by longitudinal chains (lc). Layers of absorbent or impermeable material may be disposed between or adjacent the layers of the compress.
Patent GB-1145299-A (GB)
Title: Improvements in methods of and arrangements for regulating or eliminating downward deflections of the aprons of headbox slices in paper-machines
IPC: D21F1/02
Filed: 1966-12-30
Abstract: 1,145,299. Papermarking. VALMET OY. 30 Dec.. 1966 [4 Jan., 1966], No. 58311/66. Heading D2A. Downward deflections of an apron of the slice of a paper-machine headbox are regulated or eliminated by mounting the apron on an upper beam above, substantially parallel to and deflectable relatively to a lower, preferably stiffer, beam, and adjusting the upward forces exerted on the upper beam by adjustable means for transmitting such forces from the lower to the upper beam. As shown, the lower and upper beams, 1 and 2, are both box girders. Walls 5 extend downwards from beam 2 and are provided with sealing gaskets at their lower margins which extend below the upper part of beam 1, and so form a closed chamber between the two beams. Liquid or gas under regulable pressure can be introduced through pipe 6 to vary the height of the chamber. In another embodiment (Fig. 3, not shown), the chamber is divided by fluid-tight telescoping partitions into separate chambers, and the pressure is regulable separately for each such chamber. In another embodiment (Figs. 4 and 5, not shown), the chamber is replaced by a free space between the two beams, and two rows of adjusting screws are placed in this free space to adjust the position of the upper beam. In the first two embodiments, the pressure may be regulated automatically, e.g. in response to variations of pressure in the headbox or to deflection of the upper beam or apron.
Patent GB-1158480-A (GB)
Title: Preparation of Olefin Polymers
IPC: C08J3/16
Filed: 1966-12-30
Abstract: 1,158,480. Polyolefin treatment. MONTECATINI EDISON S.p.A. 30 Dec., 1966 [4 Jan., 1966], No. 58436/66. Heading C3P. Olefin polymers are produced by dispersing the crude polymer after inactivation of the polymerization catalyst and removal of non-isotactic polymer, in an aqueous solution of a surface active agent with a hydrocarbon polymerization solvent and heating under a pressure of 2 to 50 atmosphere at 100 to 160 C. for from 8 minutes to 3 hours. A polymer having an average particle size of at least 150 microns is produced. Suitable surface active agents include ethylene oxide condensates with esters, ethers, aliphatic amines, alcohols or carboxylic acids. The examples relate to the treatment of polypropylene prepared using a TiCl 3 /Al(C 2 H 5 ) 2  Cl catalyst and nheptane as solvent, using n-butyl alcohol to deactivate the catalyst and condensates of ethylene oxide with sorbitan monooleate or with stearic acid as surface active agents, and using n-heptane as the hydrocarbon solvent in the aqueous medium.
Patent GB-1351979-A (GB)
Title: Hose coupling
IPC: F16L33/22
Filed: 1971-12-17
Abstract: 1351979 Pipe couplings WEATHERHEAD CO 17 Dec 1971 [5 Jan 1971] 58758/71 Heading F2G In a hose coupling, resiliently deformable portions 37 enable tubular insert 16 to be pressfitted into body (15). After tightening nut (18) to inelastically deform sleeve 17, the tubular insert 16 remains permanently attached to hose 19. The coupling is disconnected after unscrewing nut (18) by withdrawing the inner end 30 of the insert from bore (26). In another form, the inner end (57, Fig. 4, not shown) of the insert has a flattened shape.
Patent GB-1278686-A (GB)
Title: Web transport drives structure
IPC: G11B15/32
Filed: 1969-06-20
Abstract: 1278686 Mounting reels on shafts MINNESOTA MINING & MFG CO 20 June 1969 [21 June 1968] 59171/71 Divided out of 1278685 Heading F2U [Also in Division G5] A spool-driving spindle assembly 17 comprises a hub 82 rotatably mounted on a shaft 81 and having a radial flange 83 with a peripheral frictional driving edge 84, a first sleeve 86 freely rotatable on the hub 82 and having a surface mating with a radial face of the flange 83, a second sleeve 91 coupled for rotation with the first sleeve 86, e.g. by means of fingers 88, 89, a spring 94 between the two sleeves urging the first sleeve 86 towards the flange 83, and a frictional pad 87 secured to either the flange 83 or the mating surface of the first sleeve 86 so as to transfer rotational forces from the hub 82 to the sleeves 86, 91. The second sleeve 91 drives a tape spool by means of ribs 120.