baber/WOPTO huggingface dataset:
Patent GB-1441066-A (GB)
Title: Acetylene-substituted polyimide oligomers
IPC: C07C315/04
Filed: 1974-04-03
Abstract: 1441066 Polymers of acetylene-unsaturated polyimide oligomers HUGHES AIRCRAFT CO 3 April 1974 [3 April 1973] 14857/74 Headings C3R and C3P [Also in Division C2] Polymers are obtained by polymerizing new acetylene substituted polyimide oligomers of Formula I where R is diarylene ether or poly-(arylene ether) optionally with pendant aryl groups, diarylene ketone, diarylene sulphone, diarylene thioether or poly-(arylene thioether); R<SP>1</SP> is arylene, diarylene thioether, diarylene methane or diarylene ether; R<SP>11</SP> groups are II or III where X is CO, CH 2 , O, S or a single bond; R groups may be the same or different, and so may the R<SP>1</SP> and R<SP>11</SP> groups; R and R<SP>11</SP> may be substituted by ethynyl groups; n is 1-10. In examples, an oligomer in which R is R<SP>1</SP> is -PhOPh-, R<SP>11</SP> is III (X=CO) and n<SP>1</SP>=1 is polymerized and formed into a laminate; a similar oligomer in which R<SP>1</SP> is -Phis polymerized, and also copolymerized with terephthalonitrile N,N<SP>1</SP>-dioxide. The polymers are useful for coatings and adhesives as well as for laminates.
Patent GB-401985-A (GB)
Title: Improvements in rotary valves for internal combustion engines
IPC: F01L7/02
Filed: 1933-05-23
Abstract: 401,985. Valves; combustion chambers. KONSTANTINOFF, J., 127, Boulevard PÚreire, Paris. May 23, 1933, No. 14868. Convention date, May 30, 1932. [Classes 7 (ii), 7 (iii), and 7 (vi),] A rotary valve 2, controlling an inlet port 22 and exhaust port 23 at different levels, is fitted internally with a member 1 of large mass screwed at 3 into the cylinder for protecting the valve from the hot gases. Fig. 1 shows a member 1 for heavy oil engines provided with an annular passage 9 open to the cylinder at its lower end and formed with inlet and exhaust ports 12 and 14 respectively at different levels. In the case of explosion engines working with light fuels, the member 1 is formed with a central opening into which enters a projection on the piston, the ports 12 and 14 leading from this central opening. The valve 2 is fitted with packing-rings 16, 17, and with an adjustable ring 19 around the valve for regulating.
Patent GB-1358969-A (GB)
Title: Copying frames for exposing photosensitive paper
IPC: G03B27/20
Filed: 1972-03-29
Abstract: 1358969 Photo-sensitive sheet holder MAX D€TWYLER & CO 29 March 1972 [5 April 1971] 14899/72 Heading G2X A holder for supporting a photo-sensitive sheet 8 during exposure, comprises a suction plate 1 having sealing strips 2, 3 and suction holes 5, 7 and a glass plate 12 having a peripheral strip 13 which has holes 14 connected to the inner area of the glass plate by grooves 15. In use, the paper 8 is placed on the inner sealing strips 3; air is withdrawn from between the paper 8 and plate 1 through holes 5 and a duct 9; the plate 1 is folded on top of the plate 12; air is withdrawn from between the paper 8 and plate 12 via grooves 15, holes 14 holes 7 and a duct 10; and then air is supplied through a hole 9' Fig. 2 (not shown) in the centre of plate 1 to relax the vacuum between paper 8 and plate 1 whereby the paper 8 is drawn towards plate 12.
Patent GB-180694-A (GB)
Title: Improvements in and relating to protective devices for electric circuits
IPC: H02H9/04
Filed: 1922-05-26
Abstract: 180,694. British Thomson-Houston Co., Ltd., (Assignees, of Hull, A. W.). May 26, 1921, [Convention date]. Vacuum tubes.-In a protective arrangement the discharge circuit between the conductors contain a discharge tube with electromagnetic means for preventing the passage of current through the tube when the voltage applied to the anode is below a pre-determined value. The tube 1 is provided with a cathode 2 adapted to give a radial field between the cathode 2 and an anode 6 symmetrically surrounding the cathode, and a solenoid 10 the magnetic field of which is substantially parallel to the cathode. Under normal voltage conditions of the line 7 connected to the anode 6 the electrons emitted by the cathode 2 are deflected in a spiral path and practically no current flows in the discharge circuit, but at high voltage the current in the discharge path rapidly increases.
Patent GB-781808-A (GB)
Title: Improvements in erasable writing solutions
IPC: C09D11/16
Filed: 1955-05-24
Abstract: An erasable ink for use in ball point pens comprises crystalline graphite of particle size from 0.5-5 microns dispersed in a non-polar and non-drying hydrocarbon carrier which has dissolved therein a resin derived from unsaturated constituents of the carrier, e.g. the hydrocarbon and resin being absorbed by the paper leaving an erasable layer of graphite on the surface.  Carriers specified are white mineral oils and hydrocarbon polymers or coumaroneindene resins are used as the synthetic resins.  In examples: (1) 15 parts graphite of 2 microns particle size are dispersed in 65 parts of a mineral oil having an A.P.I. gravity of 20 at 60 DEG  F., a 69 S.U.S. viscosity at 210 DEG  F. and a flash point of 355 DEG  F. which has dissolved therein a polymer obtained by the catalytic polymerisation of a mixture of dienes and olefines; (2) 7.5 parts graphite are suspended in a coal tar naphtha containing 25 parts coumarone indene resin.
Patent GB-1165302-A (GB)
Title: Method for Preparing a Dichlorocarbene Adduct of an Olefinic Compound
Inventor: BRUSON HERMAN ALEXANDER
IPC: C07C17/275
Filed: 1968-03-28
Abstract: 1,165,302. Dichlorocarbene adducts of olefines. OLIN MATHIESON CHEMICAL CORP. 28 March, 1968. No. 14973/68. Heading C2C. The invention relates to a method for preparing dichlorocarbene adducts of olefines which comprises heating chloroform and an olefinic acceptor with aqueous alkali metal hydroxide, e.g. sodium hydroxide containing initially from 0À1 to 1À0 mole of water per mole of alkali metal hydroxide, in the presence of a saturated tertiary aliphatic monohydric alcohol having 4 to 5 carbon atoms, e.g. tertiary butyl or amyl alcohol. Examples are described in which dichlorocarbene adducts of beta-chloroethyl vinyl ether; dicyclopentadiene; alphamethyl-styrene; styrene; 4-vinyl cyclohexene; 1,5-cyclo-octadiene; vinyl allyl ether; methallyl chloride and cyclohexene are produced.
Patent GB-1352866-A (GB)
Title: Method of producing tarnish resistant copper and copper alloys and products thereof
IPC: H05K3/06
Filed: 1971-05-14
Abstract: 1352866 Metal containing laminate OLIN CORP 14 May 1971 [30 July 1970 28 Aug 1970] 14993/71 Heading B5N [Also in Division C7] A copper sheet which is to be used to form a printed circuit is first contacted with a phosphoric acid solution containing sodium or potassium dichromate to give a 20 to 1000 Angstrom thick copper phosphate film. The copper sheet may be first roughened or oxidized by heating in air or oxygen at 200 to 370 C. The phosphoric acid may be added in the form of Na, K or Li phosphates. The sheet may be subsequently bonded to a plastics, e.g. polyester or polyimide film. The copper sheet may be annealed at 250 to 500 F. before bonding.
Patent GB-480229-A (GB)
Title: Improvements in stencil switches for publicity apparatus with movable luminous letters or luminous news sheets
IPC: G09G3/00
Filed: 1937-05-31
Abstract: 480,229. Stencil switches. NAIMANN, E. May 31, 1937, No. 15029. [Class 38 (v)] A stencil switch comprises a bank of contact springs 1 connected individually to the members of a bank of lamps constituting a sign (not shown), selective illumination of which is effected by the engagement of the ends of the springs with an endless movable conducting band 13 through apertures in a superimposed insulating stencil band. The movable band is connected to the base of the apparatus by a pair of parallel links 11, 12 which enables the band to be moved to engage and suitably flex the contact springs 1, the band being then held in its adjusted position by the engagement of an arm 14 with a quadrant 15. The contact springs 1 corresponding to the rows of lamps are screwed to insulating slats 5, Fig. 3, which are mounted in a series of parallel slots at a suitable angle in a supporting frame and held by detachable straps not shown. The actual contacting points are formed of detachable pieces of a hard non- oxidizable metal such as tungsten or molybdenum.
Patent GB-164324-A (GB)
Title: Improvements in means for cutting a strip of paper into separate pieces
IPC: B26D5/16
Filed: 1921-05-31
Abstract: 164,324. Pasquier, C. R. June 3, 1920, [Convention date]. Guillotine machines for cutting web material.- Relates to apparatus for cutting into sheets strips of paper, &c., such as are fed from a paper making machine on the printing machine described in Specification 148,832, [Class 100 (ii), Printing processes &c.]. The cutter 22 is mounted on a bar supported at each end by links 24 pivoted at 24a to the framing and suspended by links 25 from arms 26 secured to a shaft 27, the knife being held in the raised position by springs 29 connected to arms 30 secured to the shaft 31 on which the links 24, 25 are pivoted. Spring pistons 34 carried by the knife-supporting plate are provided to clamp the work during cutting. Downward movement of the knife is effected by a cam 7 on the driving shaft 5 engaging a roller on an extension 32 of one of the arms 26. The Specification as open to inspection under Sect. 91 (3) (a) stated that the invention included change-speed gearing, comprising a single removable toothed wheel, so that the speed of the rollers may be adjusted to vary the length of sheet cut. A driven shaft 5 carries a wheel 8 driving through a similar wheel 9 a counter-shaft 10 bearing the detachable wheel 11 driving through a pinion 12, a wheel 13 on the shaft 14 of the lower feed rollers 15 against which the upper rollers 16 are spring pressed. To allow different sized wheels 12 to be used, the shaft of the wheel 12 is carried in a slot 21 formed concentrically with the shaft 14 of the roller 15. This subject-matter does not appear in the Specification as accepted.
Patent GB-167150-A (GB)
Title: Improvements in synchronous electric motors
IPC: H02K19/12
Filed: 1921-05-31
Abstract: 167,150. Siemens Schuckertwerke Ges. July 26, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Motors, controlling; exciting. - A synchronous motor which is started as an asynchronous motor has a protective resistance 15 connected in parallel with the fieldmagnet winding 12, the resistance 15 serving to equalize the high voltages which occur in the field winding when the motor is running asynchronously. The resistance 15 is variable and may be left in circuit when the motor is running synchronously. Intermediate points in the resistance and field winding may be connected together by a connection 17.
Patent GB-1214264-A (GB)
Title: 2-substituted derivatives of 6-methoxyquinoline
IPC: C07D215/38
Filed: 1969-03-21
Abstract: 1,214,264. Quinoline derivatives. MILES LABORATORIES Inc. 21 March, 1969 [6 May, 1968], No. 15130/69. Heading C2C. Novel compounds I in which R is piperazino, N-phenyl-piperazino, N - C 1-4  - alkyl - piperazino, di - C 1-4 alkylamino, piperidino or 4<SP>1</SP>-phenyl-piperidino and their acid addition salts are prepared by reacting a 2-halo-6-methoxy-quinoline with a compound HR. Pharmaceutical compositions comprise a compound I in conjunction with a suitable carrier or diluent, are administered orally or rectally and have anti-depressant properties.
Patent GB-762472-A (GB)
Title: Improvements in detergent compositions
Inventor: HAZZARD BRIAN JOHN
IPC: C11D3/26
Filed: 1953-06-01
Abstract: <PICT:0762472/III/1> The tendency of detergent compositions to tarnish certain metals, e.g. German silver, is restrained by including in the compositions a substance which, in the hydrated form, has an X-ray powder diffraction pattern corresponding to that shown in the drawing.  A suitable anti-tarnishing agent may be made by heating dicyandiamide, ammonium thiocynate or melamine, or a substance, e.g. cyanamide from which any of these substances is obtainable under the reaction conditions, to above 150 DEG C., and more particularly by heating dicyandiamide to 195 - 215 DEG C. for a few minutes, or ammonium thiocyanate to 200 - 300 DEG C. for several hours, or melamine to 300 - 320 DEG C. for a period of the order of 10 hours.  The reaction may be moderated by the use of a solid or liquid diluent, e.g. sodium sulphate or tetrahydronaphthalene. The crude reaction products do not show the required X-ray pattern until they are hydrated, and they may then be used as such or after the removal of by-products, e.g. by extraction with boiling water or dilute hydrochloric acid.  The detergent compositions may contain (1) condensed phosphates, e.g. pentasodium or pentapotassium tripolyphosphate, tetrasodium or tetrapotassium pyrophosphate, or sodium or potassium hexametaphosphate, (2) anionic, non-ionic or cationic soapless detergents, e.g. sulphated or sulphonated detergents, condensation products of alkylphenols with ethylene oxide, and tetra-alkylammonium halides e.g. cetyltrimethyl ammonium bromide, (3) builders such as alkali-metal sulphates, chlorides, silicates, borates, carbonates and meta- and ortho-phosphates, and carboxymethyl cellulose, and (4) peroxy componds, such as sodium perborate.  Examples of the production of suitable anti-tarnishing agents and of compositions containing them are given.  Specifications 458,163, 532,661 and 714,348 are refered to.  In the Provisional Specification the action of the anti-tarnishing agents is ascribed to the presence of triazine derivatives such as melam and melem.
Patent GB-923783-A (GB)
Title: Improvements in or relating to electrolytic ttreatment of metal foil
Inventor: VINCENT RUSSELL SWALE
IPC: C25F7/00
Filed: 1959-05-04
Abstract: 923,783. Treating metal foil or wire electrolytically. PLESSEY CO. Ltd. May 2, 1960 [May 4, 1959], No. 15194/59. Class 41. A method of electrolytically treating, e.g. etching, a continuous length of metal wire or foil 7, e.g. of aluminium, comprises supplying electric current to the wire 7 in a second bath 4, additional to the treatment bath 3 and insulated therefrom electrically by means including an insulating liquid layer 5, an electrode, e.g. the bath receptacle 2, being in contact with the liquid 4 and being spaced from the wire 7. The electric circuit is from a rectifier 14, receptacle 2, liquid 4, e.g. dilute HNO 3 , wire 7, liquid 3 and conductive receptacle 1, terminals R, S being connected across an A.C. supply. The baths 3, 4 are separated, as shown, by an insulating liquid 5, e.g. water, which may flow continuously between inlet 15 and overflow 16, the wire 7 passing through the liquid 5. Alternatively, the wire may be passed out through the upper surface of the bath 4 and subsequently enter the upper surface of the bath 3, and in this case the liquid 5 may be one of lower density than the liquids 3, 4, and float on the surfaces thereof. The bath 4 may provide the rectifying properties required, e.g. by employing a 5% sodium phosphate solution as the bath 4. The level of the liquid 5 may be higher than that of the liquids 3, 4 to prevent leakage of liquids 3, 4 into the bath 5.
Patent GB-770309-A (GB)
Title: Improved compositions for curing diabetes mellitus
Inventor: KONDO HEISABURO
IPC: A61K31/19
Filed: 1954-05-24
Abstract: A therapeutic composition for curing diabetes mellitus comprises not less than 0.1 per cent by weight of alkali metal or alkaline earth metal mesoxalates and a solid or parenteral pharmaceutical carrier. It may be in the form of tablets, powders, capsules or other solid form for oral administration, in which case it may be mixed with starch, lactose, talc, stearic acid, magnesium stearate or gum.  The alkaline-earth metal mesoxalates are insoluble in water and may be suspended therein using an alkylene glycol, protein, polysaccharide or lecithin or other suspending agent.  Sterile water at pH 5 to 9 may be used for solutions for parenteral injection.  In an example (III) a tablet composition is described comprising calcium mesoxalate, corn starch, lactose and stearic acid.
Patent GB-236197-A (GB)
Title: Improved manufacture of edible products
IPC: A23D7/02
Filed: 1925-06-12
Abstract: For introducing the antirachitic vitamin or principle into human and animal foods and medicines they are subjected to ultra-violet rays artificially produced as by a mercury vapour lamp.  The process may be applied to yeast, cereals, grain, oils and fats, butter, milk, &c. Unsaponifiable lipoids may be separated from the other constitutents of a fat either before treatment of the lipoids or after the treatment of the fat, and then incorporated in foods or medicines.ALSO:For introducing the antirachitic vitamin into human and animal foods and medicines they are subjected to ultra-violet rays, artificially produced as by a mercury vapour lamp, for a period sufficient to effect antirachitic activation but so limited as to avoid subsequent destruction of the antirachitic principle.  The process may be applied to yeast, cereals, grain, oils and fats, butter, butter substitutes, milk &c.  Fats may be activated before or after incorporation in butter substitutes.  Unsaponifiable lipoids may be separated from the other constituents of the fat either before treatment of the lipoids or after the treatment of the fat, and the activated lipoids may then be incorporated in foods or they may be used alone or with other substances as medicine.  Other substances such as brains from slaughter houses may be used for obtaining concentrated activated material.  The brains may be mixed with plaster of Paris, the unsaponifiable oils extracted with acetone, the acetone evaporated off, the oils dissolved in alcohol and boiled with a caustic solution, the product washed and extracted with ether, and then either the ether solution mixed with food and the ether evaporated, or the ether evaporated and a waxy material obtained; either the original brain matter or the extracted unsaponifiable constituents may be subjected to the ultra-violet ray treatment.
Patent GB-728965-A (GB)
Title: Improvements in dust suppression apparatus for drilling machines
IPC: B23Q11/00
Filed: 1952-06-18
Abstract: 728,965. Washing air. NATIONAL COAL BOARD, and CLARK, J. June 18, 1953 [June 18, 1952], No. 15350/52. Class 55 (2). [Also in Groups II and XXII] A dust suppression apparatus for use with drilling machines comprises a conduit M for leading dust from an enclosure R, which may be arranged around a drill rod, to a chamber I, and means for introducing into the chamber an air jet directed downstream and, further downstream, a combined air and water jet or spray, the chamber leading into a vortex chamber G. The dust is sucked along the conduit M, and blown along the chamber I by air introduced at a union A. The dust is damped by water sucked up from a tank H through pipes J, Y, by air introduced into a branch L. The air-waterdust stream then passes into the chamber G containing a cylindrical, conical or other shaped vortex-inducing member.
Patent GB-353584-A (GB)
Title: Improvements in and relating to cutting apparatus in folding machines
IPC: B65H45/28
Filed: 1930-05-19
Abstract: 353,584. Paper-folding machines. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-( Wood Newspaper Machinery Corporation ; 501, 5th Avenue, New York, U.S.A.) May 19, 1930, No. 15356. [Classes 100 (i) and 100 (ii).] Cutting - apparatus.-In apparatus for cutting sheets from paper webs, more particularly in connection with a folding cylinder 10, in which a blade 13 coacts with a rubber cushion 14 or its equivalent, means are provided to press against the sides of the rubber so as to close the cut caused therein by the knife. Further, a solid backing member 17 of some substance such as wood which will not injure the knife is provided for the cushion and is shaped for example as a cylinder so that it can be turned to present different parts of its surface to the knife. The rubber 14 is held by projections 16 formed integrally with a member 15 fixed to the cylinder and an arm 20 pivoted thereto at 21. A spring-pressed plunger 23 causes the arm 20 to close up the gaps in the rubber caused by the knife. The rod 17 fits in a space between the member 15 and the rubber.
Patent GB-1362164-A (GB)
Title: Rotable grinding mill and material discharge assembly therefor
IPC: B02C17/04
Filed: 1973-03-30
Abstract: 1362164 Ball mills ALLIS-CHALMERS CORP 30 March 1973 [3 April 1972] 15373/73 Heading B2A A tube mill 10 comprises a discharge diaphragm assembly 22, Fig.1, with a diaphragm 24 including grates 26, wear plates 28, and a discharge cone 30 having or being associated with vanes 34, Fig. 2. These vanes may be carried by the cone 30 or be carried by a line mounted on the end wall 14 of the mill. Lifter vanes 36, Fig. 2, are positioned in the discharge compartment between the diaphragm 24 and the end wall 14 and extend radially for a relatively short distance, less than the distance between the periphery and the axis of the shell. Thus there is a substantial space between the two sets of vanes 34, 36 and material lifted by the vanes 31 can fall freely as at A or B, Fig. 2 into the spaces 32 between the vanes 34, and be discharged whether the mill is run clockwise or counter clockwise. The system improves discharge efficiency.
Patent GB-318125-A (GB)
Title: Improvements in or relating to devices for controlling windows of the sliding type
IPC: B61D25/00
Filed: 1928-05-25
Abstract: 318,125. Quick, W., Thomas, S. E., and Berwick, F. W. May 25, 1928. Vehicle windows; sashes balanced by springs. - Vertically-sliding sashes of vehicle windows are balanced by a pair or pairs of springs 4, 5 housed in a channel attached to the lower edge of the sash and acting on pulley blocks 8, 9, and a cable connecting the pulleys 12, 13, to the waist rail. The cable 10 passes around one pulley 12, two pulleys 13, over a guide pulley 14, and a gr6oved sector 15, and is secured to a stud 16 as shown. The looped ends of the cable are sweated into ferrules 21. Retaining means such as are doscribed in Specification 306,180, [Class 44, Fastenings, Lock &c.], or a spring 18 on the side member of the sash, may be applied. A pivoted gravity-actuated catch 17<a> assists in holding the fixed end of the cable 10 against the grooved sector 15.
Patent GB-137481-A (GB)
Title: Apparatus for catching flies and other insects
IPC: A01M1/12
Filed: 1919-06-20
Abstract: 137,481. Dominguez, J. I. June 20, 1919. Insect traps. - A trap for flies and other insects comprises a slowlyrotating plate 3 furnished w i t h radial fins 4 between which bait is placed. Flies alighting thereon are carried beneath a transparent plate 6 and on beneath the passage 10, where they are disturbed by loosely hanging flaps nearly in contact with the plate, and enter the receiver 11, which is lighted through transparent panels 13. A container 14 for water &c. may be provided. The fins 4 may be replaced by oomblike teeth between which project other fixed teeth in place of the hanging flaps.
Patent GB-576315-A (GB)
Title: Improvements in or relating to the manufacture of discs
IPC: B21D53/16
Filed: 1943-09-24
Abstract: 576,315. Forging discs. GREENWOOD & BATLEY, Ltd., and MACLAGAN, J. C. M. Sept. 24, 1943, No. 15673. [Class 83 (iv)] Dies.-Discs such as those for use in the manufacture of coins, cartridge cases and bullet envelopes are made from blanks of square or rhomboidal form cut from sheet without waste. A number of the polygonal blanks are confined or pressed laterally between dies 2 and are converted into discs by pressure applied at the corners by plungers 3. For rhomboidal blanks, two plungers only, on the major axis, will suffice.