baber/WOPTO huggingface dataset:
Patent GB-1485179-A (GB)
Title: Metathesis of unsaturated compounds
IPC: C07C43/20
Filed: 1974-11-28
Abstract: 1485179 Modified polybutadiene; metathesis of unsaturated silanes JAPAN SYNTHETIC RUBBER CO Ltd 28 Nov 1974 [28 Nov 1973 29 July 1974] 51631/74 Headings C3P and C3S [Also in Divisions C2 and C5] The metathesis (including disproportionation) of at least one compound (1), or at least one compound (1) and a compound (2), takes place in the presence of a catalyst comprising at least one W, Mo or Re compound and at least one organoaluminium compound, said compound (1) being a carboxylic acid ester, nitrile, ketone, amide, ether or siloxy compound having a carbon-carbon double bond and no aliphatic unsaturation in any position conjugated with said double bond, and said compound (2) being at least one ethylenically unsaturated compound having a carbon-carbon double bond, no aliphatic unsaturation at any position conjugated with said double bond, and no functional groups with the exception of halogen atoms. The W, Mo or Re compound, which may be prepared in situ, may be a halide, oxyhalide, carbonyl complex, alkoxide, alkenoxide, phenoxide, oxyalkoxide, alkoxyhalide, alkenoxyhalide, phenoxyhalide, nitrile complex or hydride complex and the organoaluminium compound may be a compound of formula R p AlX<SP>1</SP> 3-p , wherein R is an alkyl, cycloalkyl, aralkyl or aryl group, X<SP>1</SP> represents a hydrogen or halogen atom, a nitrile group, or OR, and p is a value from 1 to 3. The atomic ratio of said W, Mo or Re compound to said organoaluminium compound is suitably from 1 : 1 to 1 : 15, expressed as the metals. The catalyst may additionally comprise a third component which may be one or more of a carbonylcontaining compound, a substituted or unsubstituted phenolic hydroxyl-containing compound, a substituted or unsubstituted carboxylic acid, a halohydrocarbon, a nitrophenol, an alcohol, an amine, water, an acetal, an ether, an alkoxy-containing compound of Ti, Zn, K, B, Mg, Al or V, a nitrobenzene, an azo-compound, oxygen, carbon dioxide or carbon disulphide, said third component containing no non-aromatic conjugated double bonds. The reaction may be conducted at a temperature of from -30‹ to +300‹C., optionally in the presence of a solvent. In example 35 trimethylallyloxysilane is reacted to give 1,4 - bis - (trimethylsiloxy) but - 2 - ene. In Example 54 methyl oleate and a 1,2-polybutadiene (number average molecular weight of 30,000) are reacted to give an ester group-containing polybutadiene.
Patent GB-1079499-A (GB)
Title: Improvements in measuring apparatus
Inventor: WADHAM GEOFFREY
IPC: G21C17/10
Filed: 1964-12-18
Abstract: 1,079,499. Measuring diameters. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Dec. 8, 1965 [Dec.18, 1964], No.51675/64. Headings G1M and G1N. In apparatus for measuring bore diameters, there is provided at least two pairs of slidable arms 15 arranged to lie on either side of a wedgeshaped block 19, means for rotating the block 19 to align it with a preselected pair of arms 15, means for driving the reference block axially to extend the arms radially to touch the bore 12 to be measured, and transducer means 43 whereby axial displacement of the block 19 may be determined. In operation, e. g. in the fuel channel of a nuclear reactor, the apparatus 11 is lowered into the channel 12 and clamped thereagainst by pneumatically operated clamping devices 44. Space 31 is then pressurized to lift the wedge block 19, mounted on a spring-loaded stem 21, clear of arms 15. The transducer output is then standardized using a reference ring gauge 50, which is subsequently removed. The reference block 19 is then lowered to select a pair of arms 15, which are driven outwardly by lowering the pressure in space 31, the distance travelled by the block 19 being proportional to the diameter of the channel, and measured by the transducer. Eight readings can be taken for any one height position of the apparatus. The transducer is of the inductance type connected to an A. C. bridge circuit.
Patent GB-1072238-A (GB)
Title: Process for the preparation of pivalolactone
IPC: C07D315/00
Filed: 1965-12-07
Abstract: Pivalolactone is prepared by neutralizing, at a temperature of from 0 DEG  to 65 DEG  C., a -a -dimethyl-b  -chloropropionic acid or its halide or anhydride with an aqueous solution of a base, to form the a ,a -dimethyl-b -chloropropionate anion as an aqueous solution having a pH of from 5.0 to 11.4, dispersing the aqueous solutions in a water-immiscible organic solvent for the pivalolactone at from 60 DEG to 120 DEG  C. for from 1 to 30 minutes, to extract the pivalolactone into the organic solvent as soon as it is formed, and recovering the pivalolactone from solution in the organic solvent.  The process may be carried out batchwise or continuously and, if desired, the a ,a -dimethyl-b -chloropropionic acid may be dissolved in the organic solvent used later to extract the pivalolactone, before neuralization with base.  The neutralization may also be accomplished by contacting the aqueous base with a molten stream of the acid.  The preferred base is sodium hydroxide and among the suitable organic solvents are trichloroethylene, nitrobenzene and ethylene dichloride.
Patent GB-1511204-A (GB)
Title: Twomode rf phase shifter particularly for phase scanner array
IPC: H01P1/185
Filed: 1976-12-14
Abstract: 1511204 Reflective/refractive array INTERNATIONAL STANDARD ELECTRIC CORP 14 Dec 1976 [19 Dec 1975] 52112/76 Heading H4A A phase-scanned (e.g. monopulse) antenna system comprising a two-dimensional array of antenna elements is operable in both a refractive mode, in which RF energy illuminating a first aperture surface of the array is phase-shifted within the elements then radiated from a second, opposed aperture surface, and a reflective mode in which the illuminating energy is phase-shifted then re-radiated from the first aperture surface. The mode is selected by diode switches which establish reflection points within at least some of the elements when required. Fig. 4 shows one element of the array. PIN diodes 59-62 coupled by stubs to microstrip transmission line 54 constitute two sections of a 4- bit binary phase-shifter. Diodes 63, 64, 69, 70 and hybrid networks 65, 68 constitute the other two sections. Diodes 66, 67 on quarter-wave stubs form a "reflective switch" to determine whether RF energy from the rear aperture of the array is returned to that aperture or passed to the front aperture. Horn, dipole or slot radiators are coupled to the element ends by dielectric-loaded guides 76, 86.
Patent GB-1437598-A (GB)
Title: Apparatus for emptying the contents of disposable receptacles
IPC: G21F9/36
Filed: 1974-12-03
Abstract: 1437598 Disposal of radioactive waste CIBA-GEIGY 3 Dec 1974 [3 Dec 1973] 52271/74 Heading G6R Apparatus for emptying material, e.g. liquid radioactive waste, from disposable containers V comprises conveying means 8 moving the containers past means 11 for cutting the containers into two parts V<SP>1</SP>, V<SP>11</SP>, a device 20 to turn the two parts through an angle, and a rotating spider 18 having arms 18a which pick up the parts of the container and transfer them to receptacle 23, the emptied material being collected in receptacle 15. Gas (e.g. nitrogen) may be passed through the arms 18a. Switch 17 may operate to stop the apparatus when the receptacle 15 is full. In the apparatus described, the two parts of the receptacles are turned by means of sinuously extending guiding surfaces.
Patent GB-1123567-A (GB)
Title: Diamines
IPC: C08G18/18
Filed: 1965-12-10
Abstract: Compounds of formula <FORM:1123567/C3/1> wherein R is H, C1- 12 alkyl, Ph or aralkyl, the latter two groups being optionally C1- 8-alkyl substituted, are stated to be useful in polymerization as follows: (a) primary or secondary diamines form polyamides with dibasic acids; (b) tertiary diamines catalyse the formation of polyurethanes from diisocyanates.ALSO:The invention comprises compounds of formula <FORM:1123567/C2/1> wherein R is H, C1- 12 alkyl, Ph or aralkyl, the latter two groups being optionally C1- 8-alkyl substituted, and a process for making them by reacting alpha-pinene with ozone, catalytically reacting the ozonide with an equimolecular amount of H2, and then with RRNH in presence of H2.
Patent GB-1519424-A (GB)
Title: Monoketals of dicarboxylic acid esters and amides and their use as photo-initiators
IPC: C07D307/12
Filed: 1976-12-20
Abstract: 1519424 Photopolymerizable compositions CIBA-GEIGY AG 20 Dec 1976 [23 Dec 1975] 53069/76 Heading C3P [Also in Division C2] Photopolymerizable compositions comprise an unsaturated monomer and as photoinitiator a compound of Formula I in which m is 1 or 2, R, when m is 1, denotes a phenyl radical which can be substituted by one or more of the groups: alkyl with 1-4 C atoms, alkoxy or alkylthio with 1-4: C atoms, phenoxy, alkoxyalkyl with 2-4 C atoms, acylamino with 1-4 C atoms or halogen, or denotes a pyridyl radical and, when m is 2, represents phenylene, R1 represents alkyl with 1-6 C atoms, alkoxyalkyl with 3-6 C atoms, cycloalkyl with 5-7 C atoms, phenylalkyl with 7-9 C atoms, furfuryl, tetrahydrofurfuryl or phenyl, which can be substituted by one or more of the groups: alkyl with 1-4 C atoms, alkoxy or alkylthio with 1-4 C atoms, alkoxyalkyl with 2-4 C atoms, halogen or acylamino with 1-4 C atoms, X represents a group -OR2 or -N(R3)(R4), in which R2 either represents one of the substituents mentioned for R1 or is alkyl with 7-18 C atoms and R3 and R4 independently of one another represent hydrogen, alkyl with 1-4 C atoms, alkoxyalkyl with 3-6 C atoms or hydroxyalkyl with 2-4 C atoms. Many unsaturated monomers are described including esters of acrylic and methacrylic acid, acrylonitrile or methacrylonitrile, amides of acrylic and methacrylic acid, vinyl esters or other vinyl, alkyl and stynyl compound or mixtures of such compounds or examples describe photopolymerizable compositions comprising methylacrylate, trimethylolpropane triacrylate and/or other acrylate resins and photoinitiators of the above formula in which m = 1 and R is phenyl, tolyl, chlorophenyl, t-butylphenyl, pyridyl or phenoxyphenyl; and m = 2 and R is phenylene.
Patent GB-1177716-A (GB)
Title: Method of and Apparatus for Cooling Oil-filled Electric Power Cables
IPC: D06M15/423
Filed: 1967-11-22
Abstract: 1,177,716. Cooling cables. PIRELLI S.p.A. 29 Nov., 1967 [16 Dec., 1966; 9 June, 1967], No. 53108/67. Heading H1A. [Also in Division F4] In a closed cooling system for an electric power cable 1, the cable is cooled by oil circulated after cooling in a heat exchanger 16 or 16<SP>1</SP> alternately in opposite directions through the cable, between sealed oil containers 8, 81 one at each end of the cable, one at least of these containers (both in the form shown) having a wall deformable by an externally applied fluid pressure whereby flow of cooling oil through the cable may be induced by generating a pressure differential between the two containers 8, 8<SP>1</SP>. In the system shown each of the containers 8,8<SP>1</SP> comprises interconnected lenticular cells housed in a casing 10 or 10<SP>1</SP> filled with an appropriate liquid or gaseous fluid pressurized as necessary by a pump 12 or 12<SP>1</SP> to provide the required pressure differential in the cable oil. The pressurizing fluid system includes storage tanks 14 or l4<SP>1</SP>.
Patent GB-1329195-A (GB)
Title: Slide projector
IPC: G03B23/04
Filed: 1971-11-18
Abstract: 1329195 Slide projector EASTMAN KODAK CO 18 Nov 1971 [18 Nov 1970] 53635/71 Heading G2A In a slide projector receiving stacked slides 9 there is provided a slide engaging member 2 engageable with the bottom slide 9a and a slide support 1d movable transversely in the direction B with the member 2 so as to remove and then drop the slide 9a. As shown the member 2 is mounted by pivot pin on to a plate 1 carrying support 1d. Transverse movement is caused by the movement of a pin 3 in the direction A and hence to action on the walls of groove 1b. The plate also has a slot la around pins 10 to ensure purely transverse movement. When the pin 3 descends portion a of groove 1b, the plate 1 moves to the left and finger 2c of the member 2 dislodges the bottom slide 9a so that its leading and rests on support 1d, the rear end of the slide 9a being supported by surface 8a of the slide holder 8. When the pin 3 passes through portion b of groove 1b, this rear end is allowed to drop from surface 8a on to surface 4c. Portion c of groove 1b when engaged by the pin 3 causes a second movement of the plate 1 to the left such that the slide 9a is held by stop 4e and when the portion d is engaged the slide 9a may pivot about its rear end and fall under  gravity towards a projection gate (not shown). Also during this second movement of the plate 1, finger 2a engages surface 4f so that the member 2 rotates anti-clockwise through an angle α thereby retracting it for the return movement of the plate 1. The member 2 is restored to the position shown in Fig.1 by the abutment of projection 2b and the housing 4 of the projector. As shown a slide holder 8 is provided but this is not essential.
Patent GB-1502610-A (GB)
Title: Process for the preparation of prostaglandin intermediate
IPC: C07C67/00
Filed: 1974-12-12
Abstract: 1502610 Cyclopenta[b]furanones IMPERIAL CHEMICAL INDUSTRIES Ltd 3 Nov 1975 [12 Dec 1974] 53757/74 Heading C2C  The invention comprises a process for the preparation of racemic cyclopenta[b]furanones of the Formula VI wherein R<SP>2</SP> is a phenyl or naphthyl radical which is optionally substituted by one or more substituents selected from halogen atoms, C 1-4  haloalkyl, C 1-4  alkoxy, C 1-4  alkyl, C 2-4  alkenyl, di-(C 1-4  alkyl)amino, hydroxy or phenyl radicals, and R<SP>3</SP> is benzoyl or 4-phenylbenzoyl by (1) the hydrogenolysis of racemic 4#-dimethoxymethyl - 3,3a#,4,5,6,6a# - hexahydro - 5α - hydroxy - 6# - iodo - 2H - cyclopenta[b]furan - 2- one to give racemic 4#-dimethoxymethyl-3,3a#,4,- 5,6,6a# - hexahydro - 5α - hydroxy - 2H - cyclopenta[b]furan-2-one; (2) the hydrolysis of the product from stage (1) to give racemic 3,3a#,4,- 5,6,6a# - hexahydro - 5α - hydroxy - 2 - oxo - 2H- cyclopenta[b]furan - 4# - carbaldehyde; (3) the reaction of the product from stage (2) with phosphonates of the formula wherein R<SP>4</SP> is C 1-6  alkyl, in the presence of bases, to give racemic cyclopenta[b]furan-2-ones of the Formula VI above in which R<SP>3</SP> is hydrogen; (4) the acylation of the products from stage (3) with reactive derivatives of benzoic acid or 4- phenylbenzoic acid; and the racemic cyclopenta[b]furan-2-ones of the Formula VI above in which R<SP>3</SP> is hydrogen. Reference has been directed by the Comptroller to Specifications 1,409,842 and 1,427,541.
Patent GB-1414310-A (GB)
Title: Process for the production of high-quality cement-bound wood-chip or similar boards especially wall panels made of wood bagasse or other wood-like raw materials
IPC: C08L27/06
Filed: 1972-11-24
Abstract: 1414310 Cement-bound chip board B SIMUNIC 24 Nov 1972 [26 Nov 1971 15 Dec 1971] 54472/72 Heading C3N A process for the production of cementbound wood-chip or similar boards, wherein the wood or like chips are first mixed with water and cement and a moulding is subsequently formed which is pressed and dried to form a finished board, is characterized in that an aqueous copolymer dispersion is embodied in the board (a) by adding the dispersion to the mixture of chips, cement and water before moulding in the proportion from 2À5 to 15% by weight of the chips or (b) by treating the freshly formed moulding before said pressing by applying the dispersion to at least one surface thereof. The vinyl chloride copolymer may contain a vinyl ester of a saturated carboxylic acid, an ester of an ethylenically unsaturated carboxylic acid and/or an alkene as further components. The vinyl chloride copolymer preferably consists of 25-40 by weight of a vinyl ester of a carboxylic acid (C 1-3 ), 25-50% by weight of a compound of the formula R 1 CH=CR 3 COOR 2  wherein R 1  is H, alkyl or -COOR 2 , R 2  is alkyl (C 4-8 ), and R 3  is H or CH 3 , and of vinyl chloride. The moulding may be formed by scattering first an outer layer of fine cement-coated chips, then an intermediate layer of coarser cement-coated chips and finally a covering layer of fine cementcoated chips on to a support wherein the bottom outer layer is treated with the aqueous copolymer dispersion and after scattering the top covering layer this is likewise treated with the aqueous copolymer dispersion. The application of the aqueous copolymer dispersion is preferably carried out by spraying with a jet inclined to surface of the moulding.
Patent GB-1212679-A (GB)
Title: Improvements in or relating to apparatus for warming liquids
Inventor: KOMEDERA MIECZYSLAW
IPC: F28F27/00
Filed: 1966-12-07
Abstract: 1,212,679. Liquid heaters; cooling liquids; tubular heat exchangers. M.K. REFRIGERATION Ltd. 1 Dec., 1967 [7 Dec., 1966], No. 54863/66. Headings F4A, F4H and F4S. [Also in Division H5] Apparatus for selectively warming or cooling liquids to be dispensed, such as milk or beer, includes a heater 110 comprising a coil 112 through which the liquid passes, a sealed container 111 for the coil and for a refrigerant under pressure constituting a heat transfer liquid, such as dichlorodifluoromethane, an electric cartridge heater 121 in a tube 114 extending through the container 111, and a pressure switch 118 for opening the circuit to heater 121 when the pressure within the container exceeds a predetermined amount. In addition, an evaporator coil 125 surrounds the tube 114 within the coil 112 and has one end connected via a restrictor which may be a thermostatic valve or, as shown, capillary 125a and a drier/strainer 125b to the condenser 126 of a refrigeration system 127. The other end of coil 125 is connected to the suction side of a compressor 130. A thermostat 128 controls the cooled product's temperature. A manually operable selector switch 129, Fig. 4 (not shown), allows for selection of the heating system, the cooling system, or neihter, depending on the prevailing ambient temperatures. Alternatively, a thermostatically operated switch may be provided. A second evaporator coil may surround container 111. A fully flooded refrigeration system may alternatively be employed, the refrigerant providing the heat transfer liquid also being used in the refrigeration system, a suitable cut-off valve isolating the container 111 from the refrigeration system during heating. The heating/cooling apparatus may embody the invention of Specification 1,112,664. An embodiment for heating only is also described, Figs. 1, 2 (not shown).
Patent GB-550718-A (GB)
IPC: E04H12/14
Abstract: 550,718. Concrete lattice posts, pylons and towers. ASHCRETE (PROPRIETARY), Ltd., LAUTENBERG, G. H., and MACERATA, S. May 19, 1941, No. 6390. [Class 20 (i)] Reinforced-concrete lattice structures, such as water towers, masts, pylons, and the like, are constructed by erecting the reinforcement of the vertical and lattice portions, precasting in the form of hollow or apertured members the upstanding members and/or lattice members, placing such members to enclose the reinforcement and filling in the spaces between the members and the reinforcement, and casting in situ the remaining members not precast. In one form, Fig. 1, comprising three separate posts 10 forming the structure, the reinforcing rods 11 are first positioned, the lower portions of concrete are then cast around the separate reinforcements by means of tubular moulds 14 suspended from a frame 15 sliding on upright guides 16, and an aperture precast concrete spacer 12 is slid on to the reinforcement. The further post portions are then cast around the reinforcements above the spacer and part of the material enters the recesses in the spacer and binds the whole into a monobloc. The process is repeated and where the posts incline towards each other at the top, the moulds are set at the necessary inclination on the frame 15. The adjacent ends of the separate posts enter end caps such as 28, and at the upper end a single post 25 is cast to terminate the structure, the reinforcement from the separate posts passing into and through the post 25. For a water-tower the coverings 32 and 41 for both the uprights and inclined lattice members are precast, the latter being secured to projections 36 on knuckle portions 31 which are temporarily secured by clamps 35 to the upright coverings ; concrete is then cast between the tubular coverings on the uprights and lattice members and the several reinforcements. The precast members may be formed with complementary recesses and projections to interengage.
Patent GB-1165933-A (GB)
Title: Hollow Structure and method of making same
IPC: B29D22/00
Filed: 1966-12-09
Abstract: 1,165,933. Laminates; sheet forming. WOODALL INDUSTRIES Inc. 9 Dec., 1966 [9 Dec., 1965], No. 55344/66. Headings B5A and B5N. [Also in Division B7] A hollow synthetic resin structure has an outer skin 50 comprising a pair of opposed synthetic resin sheets 74, 75 fused together at the peripheral edges thereof and a synthetic resin core member 52 disposed between said opposed sheets, said core member having oppositely displaced portions maintaining predetermined parts of the outer skin in spaced apart relationship, the core member being fused to the outer skin. In the embodiment shown, the core member comprises two sheets of thermoplastic heat-sealed along opposed peripheral sections 58, the oppositely displaced portions 60 thereof defining the walls of channels 59 in communication through vents 64, apertures 66 being provided in the peripheral sections. The displaced portions 60 may have planar or corrugated surfaces. The structures may be made by heating a pair of opposed fusible synthetic resin sheets to their fusion temperature, conforming each said sheet at its fusion temperature to a die face, the die faces being opposed and spaced apart, disposing between the sheets a synthetic resin core member having oppositely displaced portions, closing the die faces so that predetermined parts of the opposed sheets are maintained in spaced apart relationship by said oppositely displaced portions of the core member, fusing together the opposed sheets at their peripheral edges to form an outer skin, fusing the core member to the outer skin, cooling the hollow synthetic resin structure whilst maintaining the sheets in contact with the die faces and separating the die faces and removing the core member therefrom. The products of the invention may be used as tanks and as automobile panels, e.g. crash panels.
Patent GB-1187887-A (GB)
Title: Wall Plug Assembly.
Inventor: FISCHER ARTUR
IPC: F16B13/06
Filed: 1968-11-21
Abstract: 1,187,887. Wall plugs. A. FISCHER. 21 Nov., 1968 [22 Nov., 1967], No. 55347/68. Heading F2H. A wall plug assembly comprises an expansible sleeve 2 and an expanding element 3 which is provided with a radially outwardly projecting washer 9 for engagement with the wall of a hole to prevent rotation of the expanding element in the hole. Rotation of a screw 1 causes the element 3 to expand the sleeve which is provided with slots 6. The washer is provided with a slot 13 to enable it to be snapped into a groove 8 of the element 3. Rotation of the washer is prevented by bending parts 12 of the rim of the groove into spaces 11 between lugs 10 of the washer.