baber/WOPTO huggingface dataset:
Patent GB-1309303-A (GB)
Title: Process for the copolymerisation of olefins to form elastomeric copolymers
IPC: C08F4/68
Filed: 1970-11-30
Abstract: 1309303 Olefin copolymerization SOLVAY & CIE 30 Nov 1970 [1 Dec 1969] 56704/70 Heading C3P [Also in Division C1] Elastomeric olefin copolymers are obtained by carrying out the polymerization in a liquid reaction medium constituted by one of the monomers, using a catalyst comprising (a) an organometallic compound and (b) the product of reducing a liquid halide of a transition metal of group IVa, Va or VIa in a valency state of at least 4, e.g. TiCl 4  or VCl 4 , with a liquid organometalic compound (which may be the same as (a)) in the presence of a porous inert support material-and in the absence of any liquid diluent. The reduction is carried out by impregnating the support with one of the reactants then, at a temperature below 0‹ C., slowly adding -the other, the pore space of the support being sufficient in relation to the volume of the reactants to ensure that the mixture remains pulverulant. Suitable support materials include SiO 2 , Al 2 O 3 , MgO, TiO 2 , CaCO 3 , Na 2 SO 4 , silicates of magnesium or aluminium and porous polymers; particularly preferred supports are in the form of rounded bodies of diameter 50-250 Á composed of agglomerated particles, the individual particles having diameter 0À2- 2 Á. The preparation of a support of the latter type from hydroxyapatite and calcium fluoride is described. The examples describe the copolymerization of ethylene and propylene indiquid propylene using catalysts prepared by reducing TiCl 4  with Et 3 Al in the presence of various support materials and activating the products with (i-Bu) 3 Al, (hexyl) 3 Al or Et 2 AlCl.
Patent GB-1156856-A (GB)
Title: Improvements in or relating to Artificial Feeding Means for Young Animals.
Inventor: PENNING PETER DALE
IPC: A01K9/00
Filed: 1966-12-19
Abstract: 1,156,856. Animal feeding appliances. NATIONAL RESEARCH DEVELOPMENT CORP. 13 Dec., 1967 [19 Dec., 1966], No. 56783/66. Heading A1M. Artificial feeding means for young suckling animals, comprises a supply vessel 1 for liquid animal feed, a number of teats 5 protruding from the interior of the vessel 1, a container 21, surrounding the vessel 1, formed with holes 23 aligned with the axes of the teats 5, and a motor 27 operable to drive the vessel 1 to a first position in which the teats protrude through the holes 23, and to a second position in which the teats are withdrawn from the holes with sufficient force to overcome any resistance by the animals. The vessel 1 is movable on wheels 15 in channels 17 of the container 21, and the vessel is driven from motor 27 via reduction gear box 28, shaft 29, disc 31 having an offset crank pin 33, connecting rod 35 and pivot pin 37. The motor 27 rotates disc 31 which over one half of its revolution advances the vessel 1 to the first position and during the remaining half of its revolution returns the vessel to its original retracted position, i.e. the second position. The energization of motor 27 is controlled by control unit 41 which includes an automatic control system comprising two motors 43, (47), and cam discs 45, (49), (51), (77), Fig. 3 (not shown). Cam disc 45 runs continuously and sets the feeding period, i.e. the period in which the vessel is moved to the feeding position and back again, and also sets the interval between feeding periods. This period and interval may be varied by varying the length of the indentation (53) in cam disc 45. The length of the indentation (65) in cam disc (51) sets the time in which the vessel is in the feeding position.
Patent GB-1458382-A (GB)
Title: Slag filtering
IPC: B01D21/06
Filed: 1973-12-07
Abstract: 1458382 Granulating and drying slags HOESCH WERKE AG 7 Dec 1973 [ 13 Dec 1972 18 Aug 1973] 56841/73 Heading C7X [Also in Division B1] Water granulated slags are treated by passing the water slag mixture through a filter 3, the filter layer being formed on the perforated conical base 4 by pumping the mixture of water and slag fines exiting from 4 back into the filter via pump 8 and pipe 9. When a sufficiently thick filter layer of fine slag has been formed in the filter 3, the pump 8 is switched off outlet 17 is closed and overflow gate valve 11  is opened and the clean water is then recycled. The dried slag is then discharged via gate valve 12 and shaking trough 13 into conveyer 14. Gate valves 11, 12 are then closed and the next water granulate charge is then treated. The filter cone 3 is connected to pump apparatus 7 by pipe 6, and the fine slag water mixture is transferred to the pump 8 via exit 17 which is opened or closed by raising or lowering tube 24 by hydraulic or pneumatic cylinder 23.
Patent GB-1190708-A (GB)
Title: Enzyme Purification.
Inventor: SCHMIDT-KASTNER GUNTHER
IPC: C12N9/48
Filed: 1968-12-04
Abstract: 1,190,708. Carboxypeptidase B. FARBENFABRIKEN BAYER A.G. 4 Dec., 1968 [4 Dec., 1967], No. 57572/68. Heading C3H. An impure aqueous solution of carboxypeptidase B is purified by contact simultaneously with an anion-exchanger and a cation-exchanger. The exchangers need not be added simultaneously (but preferably are) but must be present together at some stage. The cation exchanger may be DEAE-cellulose, DEAE-dextran, or cross-linked polyacrylic acid; the anion exchanger may be CM-cellulose, CM-dextran, or cross-linked polystyrene with quaternary ammonium groups. The starting solution may contain pancreatic Carboxypeptidase with kallicrein as impurity.
Patent GB-1311129-A (GB)
Title: Colour television cameras
IPC: H04N9/07
Filed: 1970-12-04
Abstract: 1311129 Colourtelevision WESTERN ELECTRIC CO Inc 4 Dec 1970 [10 Dec 1969] 57665/70 Heading H4F A colour television system comprises three dichroic mirrors 15, 16, 17 for producing overlapping red, blue and green images which are focused by a lens 18 on to a lenticular screen 19 which produces on the target 31 of a vidicon tube 30 a series of stripes for each colour image, the stripes of different colours overlapping due to the overlapping images, the stripes being equispaced across the target 31. The signals from tube 30 are demodulated in a demodulation circuit 50 controlled by signals from a reference signal circuit 40 operated by signals due to a transparent grating 20, whose density varies sinusoidally in the horizontal scanning direction at an angular frequency # x . This frequency is detected in circuit 40 by a band-pass filter 42 and the difference frequency between this frequency and the angular frequency # l  of the lenticular screen 19 is detected in a second band-pass filter 41, the outputs from filters 41, 42 being passed via phase lock loops 43, 44 to a mixer 45 which produces a signal of the frequency # l  of the lenticular lens 19 and this signal is phase shifted in 46 to be in phase with the red component of the chrominance signal from tube 30 and passed to a balanced demodulator 54 in demodulation circuit 50, where it is multiplied by the chrominance signal to produce the red colour difference signal. The green and blue colour difference signals are produced in balanced demodulators 55, 56 fed from phase shifter 46 via 120 degrees phase shifters 57, 58. The luminance signal is then added to the colour difference signals in summers 59, 60, 61 to produce red, green and blue output signals which may be passed to a matrix 63. The optical system may be modified by moving the dichroic mirrors apart so as to produce three non-overlapping colour images and the frequencies # t  and (# l -# t ) are preferably of frequencies between those of the luminance and chrominance signals. Instead of using circuit 40 demodulation may be controlled from the output of the tube 30 at the third harmonic of lenticular lens frequency # l  via a divide-bythree circuit, extra "run-in" stripes being used to eliminate phase ambiguity.
Patent GB-1222269-A (GB)
Title: Process for the preparation of benzoyl peroxide
Inventor: BEEREBROOM JOHN JOSEPH
IPC: C07C51/56
Filed: 1968-12-04
Abstract: 1,222,269. Benzoyl peroxide. CHAS. PFIZER & CO. Inc. 4 Dec., 1968, No. 57686/68. Heading C2C. Benzoyl peroxide may be obtained by contacting benzoic anhydride or a mixture of benzaldehyde and benzoic anhydride containing 0À1 to 1 equivalent of benzoic anhydride per equivalent of benzaldehyde with oxygen in the presence of an inert reaction medium containing a catalytic amount of an alkali or alkaline earth metal sulphate or benzoate at between 0‹ and 50‹ C. The reaction mixture may be irradiated with low intensity irradiation of wavelength 180 mÁ to 400 mÁ. The mixture of benzaldehyde and benzoic anhydride may be prepared by contacting benzalchloride and also, if desired, benzotrichloride with 0À1 to 1 equivalent of benzoic acid per equivalent of benzalchloride or the chloride mixture, and when benzotrichloride is present the amount of benzoic acid is sufficient to provide at least 1 equivalent per equivalent of benzalchloride, in the presence of at least 0À1% by weight of an electrophilic reagent capable of complexing with the chloride and at a temperature of between 150‹ and 250‹ C. Reference has been directed by the Comptroller to Specification 1,156,573.
Patent GB-1249535-A (GB)
Title: Thermoplastic moulding composition containing a polyester
IPC: C08K5/1515
Filed: 1969-11-28
Abstract: 1,249,535. Thermoplastic polyester moulding composition. FARBWERKE HOECHST A.G. 28 Nov., 1969 [5 Dec., 1968], No. 58328/69. Heading C3R. A thermoplastic moulding composition comprises (a) a linear saturated polyester of an aromatic dicarboxylic acid and optionally 10% by wt. of an aliphatic dicarboxylic acid based on the total wt. of dicarboxylic acid and a saturated aliphatic or alicyclic diol or a polyester of a hydroxycarboxylic acid and (b) from 0À05 to 1À5% by wt. of the polyester of an alkali metal salt RCOOM where M is the alkali metal and R represents an alkyl, cycloalkyl, bicycloalkyl, alkaryl or aralkyl group of 2-20 carbon atoms and which contains an epoxide group and may contain ether links and/or further alkali metal carboxylate groups. In the examples the composition is polyethylene terephthalate with sodium-(9,10)-epoxy stearate, a sodium salt of salicylic acid glycidic ether and sodium 3,4- epoxycyclohexane carboxylate.
Patent GB-1240414-A (GB)
Title: Improvements in packaging
IPC: B65D75/58
Filed: 1969-12-02
Abstract: 1,240,414. Package closures. SCHWEIZERISCHE INDUSTRIE-GES. 2 Dec., 1969 [3 Dec., 1968], No. 58771/69. Heading B8C. A parallelepiped package, comprising a wrapper folded about the contents, sealed longitudinally and having ends closed by folding, is encircled by a tape 6 perforated at 7 and secured to the wrapper at 8. The wrapper may be waxed paper with the tape 6 secured thereto by heat sealing or adhesive.
Patent GB-590825-A (GB)
Abstract: 590,825. Try-squares. SHANNEY, J. Dec. 5, 1945, No. 32856. [Class 97 (iii)] A protractor 6, co-operating with an indicator mark 11 on the stock 2, is pivoted at 5 to the blade 1 and has a working surface 13 upstanding from the blade. The protractor, preferably comprising a pair of blocks disposed on opposite sides of the blade 1 and connected by dowel pins 10 so as to turn in unison, lies within the width dimension of, and is preferably flush with the faces of, the stock 2.
Patent GB-1477480-A (GB)
Title: Bead curtain
IPC: A47H23/05
Filed: 1973-12-20
Abstract: 1477480 Curtains LEE LOY PLASTIC CO 19 March 1975 [20 Dec 1973] 59140/73 Heading A4S [Also in Division B6] A bead curtain comprising one or more strings of beads 3 hung side by side from an upper support (2) is provided with a plurality of shells 6 adapted to removably enclose selected beads. The shells 6 may be arranged to define a design (5) or picture on the curtain. As shown, spherical plastics beads 3 are moulded in spaced arrangement directly on to a twisted filament 4, and each shell 6 is of plastics and comprises two complementary hemispheres 6a, 6b press fitted together by a lip 7 and projections 7a of shell 6a engaging in a recess 8 and depressions 8a in shell 6b. The shells may be irregularly shaped, Fig. 3, (not shown). The upper head (3a) is trapped by clamping elements (2a, 2b) of the support (2). In a modification, beads may be strung on a filament, and may be in contact with one another or separated by knots in the filament or by spacers.
Patent GB-1442370-A (GB)
Title: Process for the preparation of cyclic polydiorganosiloxanes
IPC: C07F7/08
Filed: 1973-12-28
Abstract: 1442370 Cyclic polydiorganosiloxanes SHINETSU CHEMICAL CO 28 Dec 1973 [30 Dec 1972] 59904/73 Heading C3S Cyclic polydiorganosiloxanes are prepared by thermally cracking raw material polydiorganosiloxane fed to catalyst zone 4 containing solid catalyst material of reactor column 3 and subjecting the cyclic polydiorganosiloxanes produced to rectification in rectification zone 5, the catalyst and rectification zones occupying the lower and upper parts respectively of the same reactor column, and the bottom of the column being connected to still 7. The catalyst zone is packed preferably with either (1) a particulate alkali metal hydroxide or carbonate or (2) a packing having a fused layer of the alkali metal hydroxide or carbonate on its surface, or (3) alternate layers of (1) and (2). The catalyst zone is preferably heated to a temperature of 100-300 C. Lithium hydroxide or an alkali metal carbonate may be placed in the still. A small amount of a solvent having a boiling point higher than that of the desired cyclic polysiloxane may be admixed with the raw material, e.g. tetraethyleneglycol dimethyl ether, alkylnaphthalenes and high boiling mineral oils. In the examples cyclic polyorganosiloxanes comprising either a mixture or separate fractions of hexaorganocyclotrisiloxanes, octaorganocyclotetrasiloxanes and higher cyclic siloxanes were prepared from hydrolysates of (1) dimethyl dichlorosilane, (2) methylphenyl dichlorosilane, (3) 1,3,5,7-tetramethyl-1,3,5,7- tetravinyl cyclotetrasiloxane or from mixed dimethyl siloxanes using LiOH or LiCO 3  as catalyst.
Patent GB-1409980-A (GB)
Title: Aluminium antiperspirants
IPC: A61Q1/12
Filed: 1973-12-31
Abstract: 1409980 Aluminium derivatives L'OREAL 31 Dec 1973 [2 Jan 1973] 60220/73 Heading C2C [Also in Division A5] Novel compounds of Formula I in which n=1 or 2, such that (a) when n=1, Z=-CH=CH-, and (b) when n=2, Z= (CH 2 )m, S, O, SO, SO 2  or NCOR<SP>1</SP>, m being 0 to 6 and R<SP>1</SP> being saturated or unsaturated, C 1-17  hydrocarbyl, phenyl, benzyl, styryl, diphenylmethyl or phenyl substituted by Cl, F, CH 3  or C 1-4  alkoxy, are prepared by reacting a compound of Formula II in which Z<SP>1</SP> is the same as Z or is NH, with aluminium isopropylate in an anhydrous solvent, and subjecting the product, optionally after isolation, either to the action of dry HCl, or, when Z<SP>1</SP>=NH, to the action of an acyl halide of formula
Patent GB-1374990-A (GB)
Title: Whirlgate chamber for trapping slag and other impurities during 'he casting of molten metal
IPC: B22C9/08
Filed: 1971-12-29
Abstract: 1374990 Casting moulds GEORG FISCHER AG 29 Dec 1971 [31 Dec 1970] 60541/71 Heading B3F A whirlgate for a steel casting mould comprises three separate parts 8, 9, 10. Each of these parts 8, 9, 10 consists of more than one element 11, the elements being assembled and held together by a bonding agent. As shown, an outlet chamber part 8 is provided with a tangential outlet 13 adjoining a runner 6 and an annular flow duct 12. In alternative embodiments the outlet 13 may be radial to the outlet chamber part 8 and/or several outlets may be provided. An inlet chamber part 9 is mounted upon the outlet chamber part and is provided with a tangential inlet adjoining a sprue 3. On top of the inlet chamber part 9, a cylindrical part 10 is mounted to form a whirlgater reservoir 14.
Patent GB-1223940-A (GB)
Title: Process for preparing a food product
IPC: A23L29/00
Filed: 1968-12-24
Abstract: 1,223,940. Enzyme treated food product. PHILIPS MORRIS Inc. 24 Dec., 1968 [26 Dec., 1967], No. 61449/68. Heading A2B. A food product is prepared by (1) preparing an aqueous mixture of (A) a vegetable, fruit or plant material and (B) an enzyme or mixture of enzymes in an amount of from 0.01 to 20% by weight of the dry weight of (A), this mixture having a pH of 3.5 to 6.0 and a water content of 5 to 20 times by weight the dry weight of (A); (2) maintaining this mixture for 15 minutes to 48 hours at 20C. to 80C.; and (3) mechanically treating the mixture from (2) to convert it into a shaped product suitable for storage and having a water content of 3 to 20% by weight. The material (A) contains (a) pectins and/or hemicelluloses, (b) starch in an amount not greater than 50 times by weight of the content of filmforming carbohydrate, (c) protein in an amount not greater than 50 times by weight of the amount of film-forming carbohydrate, (d) oily material in an amount not greater than 10 times by weight of the content of film-forming carbohydrates, and (e) inert ingredients and non-convertible carbohydrates in an amount not greater than 100 times by weight of the content of film-forming carbohydrate. The enzyme or enzyme mixture (B) exhibits hemicellulose activity when (A) contains hemicelluloses, exhibits pectinase activity when (A) contains pectins, and exhibits both hemicellulose and pectinase activity when (A) contains both hemicelluloses and pectin. The treatment step (3) comprises forming a slurry or paste of (A) and (B) and forming this mixture into a continuous cohesive shape such as a sheet, filament, strand or rod, and drying this shaped product. Suitable materials (A) for the above treatment include lettuce, cabbage, carrots optionally mixed with olive oil, yeast hydrolyzate, potatoes, rice starch or pregelatinised starch, celery, oranges, raisins, apples, grapefruit, lemons, cantaloup melons, squash, cucumber, tomatoes, mushrooms, peppers, gums, soybeans, yams, bananas, apricots, prunes, ginger and various animal feeds such as alfalfa silage and beet pulp.
Patent GB-2000366-A (GB)
Title: Cathode ray tube screen
IPC: H01J9/227
Filed: 1978-06-13
Abstract: A colour display tube in which, in order to overcome the problem of irregular light reflection from an aluminium film adhering to the phosphor lines of the display screen, the aluminium film (13) of the display screen adheres mainly to the light-absorbing coating (17) disposed between adjacent phosphor lines (14, 15, 16), which coating (17) is at least 3  mu m thicker than the phosphor lines. The light-absorbing coating (17) typically comprises grains, 50% by weight of the said grains preferably having a diameter exceeding 15 mu m. <IMAGE>
Patent GB-2003466-A (GB)
Title: 1,2,4-triazoles
IPC: A61K31/41
Filed: 1978-08-17
Abstract: Novel 1-acyl-3(5)-alkyl-5(3)- phenyl-1,2,4-triazoles,which are useful as antiinflammatory agents, are provided having the structure   <IMAGE> wherein R is lower alkyl or cycloalkyl, R<1> is lower alkyl, or cycloalkyl, and X is hydrogen, lower alkyl, lower alkoxy, halogen, nitro or trifluoromethyl.
Patent GB-2003800-A (GB)
Title: A folding caravan
IPC: B60P3/34
Filed: 1978-08-25
Abstract: Two opposed caravan walls 3b, 5b are pivoted to a substructure 1 to be movable between upright and folded down positions. At least one inextensible deformable tie 15 is connected between the upper ends of the walls such that when a force is applied in a downwards direction to intermediate region of the tie with the walls in the upright positions, the two walls pivot simultaneously into the folded down positions. <IMAGE>
Patent GB-2004956-A (GB)
Title: Clearance takeup floating bush
IPC: F16C27/02
Filed: 1978-09-21
Abstract: A bush 12 for guiding the steering rod 10 of a motor car is made of plastics material and consists of a central sleeve 14 having the inside diameter substantially equal to the rod diameter and the outside diameter shorter than the diameter of the seat formed in the rack box 11. Longitudinal splines 15 extend alternatingly from the sleeve and towards the centre and two frustoconical bodies 16, 17 comprising a plurality of resilient fingers 20, 21 are integral with the sidewalls of the sleeve. The outer edges of the frustoconical bodies engage a seat in the box so that the bush assembly automatically takes up the clearance by exploiting the elastic properties of the plastics material. <IMAGE>
Patent GB-2030854-A (GB)
Title: Reclining chair
IPC: A47C1/032
Filed: 1978-09-27
Abstract: A recliner chair having a base (11), a seat frame (13), and a back frame (15), the back frame (15) and seat frame (13) each being pivotally mounted to on the base (11) and being pivotally interconnected such that, on rearward pivoting action of the back frame (15) from the upright position, the seat frame (13) is moved therewith to define a reclining surface, characterised in that the base is divided into an upper (11a) and lower (11b) portion slidably mounted together for relative sliding motion substantially parallel to the fore and aft axis of the chair, wherein the lower portion (11b) of the base (11) is connected to the back (15) and/or seat frame (13) via a linkage (27) to cause the upper portion (11a) of the base (11) to slide forwardly on the lower portion (11b) with rearward movement of the back frame (15) from the upright position, the said linkage (27) comprising a pivot arm (29) pivotally mounted at an intermediate point (31) to the upper portion (11a) of the base (11), the ends of the pivot arm (29) being connected respectively to the lower portion (11b) of the base (11) and to the back (15) and/or seat frame (13), through push levers (33). <IMAGE>
Patent GB-2008302-A (GB)
Title: Coin changing apparatus
IPC: G07D1/04
Filed: 1978-10-06
Abstract: A coin changing apparatus arranged to provide change for an inserted coin. The apparatus has sensors 9-13 to detect the insertion of coins and a path leading to a coin validity tester 16. From the tester 16 coins, if adjudged invalid are returned to the customer, but if adjudged valid are past to a holding arrangement 23. The arrangement 23 holds the inserted coin until the electronic control circuits (81, 87, 88) determine whether or not coins fed to an Escrow unit 62 from hoppers 45-48 meet the required change payout. If the electronic control circuits decide insufficient or too much change has been fed to the Escrow unit 62 then the holding arrangement 23 returns the customer's originally inserted coin and change held by the Escrow unit is discharged into a miscounts box 66. On the other hand if the Escrow unit is deemed to hold the correct change the originally inserted coin is fed to a coin box 39, 42 and the required change is transferred to the customer at a coin cup (8). In the event of a fault the apparatus is arranged to shutdown in such a manner that a customer's inserted coin is returned to him. Thus the apparatus is arranged to ensure that a customer either receives the required change or has his originally inserted coin returned. <IMAGE>
Patent GB-2007706-A (GB)
Title: Cyclopentadiene hydrogenation
IPC: C07B61/00
Filed: 1978-10-23
Abstract: A process for the preparation of cyclopentene which comprises selectively hydrogenating cyclopentadiene in the liquid phase by contacting cyclopentadiene with hydrogen in the presence of a hydrogenation catalyst comprising a highly dispersed form of nickel in which the reaction mixture employed comprises: water; water containing one or more anionic, cationic, non-ionic, amphoteric, oil soluble or naturally occurring surfactants; or ammonium hydroxide.