baber/WOPTO huggingface dataset:
Patent GB-930706-A (GB)
Title: Process for the production of primary and secondary alcohols
IPC: C07C29/74
Filed: 1961-11-21
Abstract: Primary and secondary alcohols are prepared by selectively reducing an aldehyde or ketone with a quaternary ammonium borohydride of general formula <FORM:0930706/IV(a)/1> wherein R1, R11, R111, R1111 may be the same or different and are alkyl, aryl, or alkyl-substituted aryl radicals.  The borohydrides need not be isolated from their preparation solutions, which may be from the reaction of an aqueous-alcoholic solution of a quaternary ammonium salt or hydroxide with an alkali metal borohydride, and the aldehydes and ketones may be present during the preparation.  The process is stereospecific and may be performed in water, alcohols, amines, ethers and amides particularly dimethyl formamide. Examples describe the preparation of trichloroethanol from chloral using tetra-ethyl ammonium borohydride; benzyl alcohol from benzaldehyde using trimethyl-phenyl-ammonium borohydride; p-nitrobenzyl alcohol from p-nitrobenzaldehyde, and threo - 1 - p-nitrophenyl-2-acetamino-propane-1, 3-diol from p-nitro - a  - acetamino-b -hydroxy-propiophenone using tetraethyl ammonium borohydride. Specification 795,130 is referred to.
Patent GB-1021214-A (GB)
Title: Apparatus for the operation of oil or gas fired drying drums
IPC: E01C19/05
Filed: 1963-10-23
Abstract: 1,021,214. Rotary drying-apparatus. WIBAU WESTDEUTSCHE INDUSTRIE UND STRASSENBAUMASCHINEN G.m.b.H. Oct. 23, 1963 [Oct. 23, 1962], No. 41868/63. Heading F4G. In oil- or gas-fired apparatus for drying bituminous road materials and comprising a jacketed rotary drum 2, air entering through an inlet 13 for supply to the burner 9 is preheated by contact with the drum 2 and with a duct 11 along which hot waste gases are drawn off. The materials are supplied by a conveyer 8. The jacket 12 or a lining therefor is formed of a sound-absorbent material.
Patent GB-1530601-A (GB)
Title: Method of producing discrete mechanical impulses separated by periods of minimal vibrational disturbance
IPC: E02D3/10
Filed: 1975-10-14
Abstract: 1530601 Methods of producing mechanical impulses POLITECHNIKA WARSZAWSKA 14 Oct 1975 [30 Oct 1974] 41951/75 Heading F2S A method of producing discrete periodic mechanical impulses separated by periods of minimal vibrational disturbance comprises rotating a plurality of pairs of unbalanced masses about axes all of which are mutually parallel, the masses of each pair being identical with one another and being rotated at the same speed but in opposite directions and the respective speeds of rotation of the pairs being integral multiples of the speed of the pair rotating most slowly, the unbalanced masses being so provided that the centrifugal forces produced by the more rapidly rotating pairs of masses are no greater than the centrifugal forces produced by the more slowly rotating pairs of masses, and the centres of mass of the masses being so orientated that they are all transiently offset to the same side of their respective axes at one instant during each revolution of the most slowly rotating masses. Fig. 1 is a plot of vibration force against time for a first embodiment in which eight pairs of unbalanced masses are rotated, the unbalanced masses being so provided that the centrifugal forces produced by all the pairs of masses are equal. Fig. 2, (not shown), is a plot similar to Fig. 1, but for an embodiment in which the unbalanced masses are so provided that the ratio of the centrifugal forces produced by each pair of more rapidly rotating masses to the centrifugal forces produced by the most slowly rotating pair of masses is inversely proportional to their rotational speeds.
Patent GB-1115861-A (GB)
Title: Improvements in or relating to liquid dispenser
IPC: A45D34/04
Filed: 1963-10-24
Abstract: 1,115,861. Roller applicators. C. B. BARCLAY. 19 Jan., 1965 [24 Oct., 1963], No. 42018/63. Heading A4K. [Also in Division B2] A liquid dispenser comprises a body portion 10 adapted to be attached to a liquid container B, and a roller 16 supported at its ends by arms 18, 19, extending from the body portion 10, said body portion having a bore 11 which enables the dispenser to fit over the neck of the container, the bore 11 being terminated by an end wall 12 containing an orifice 13 which permits flow of liquid from the container to the roller. Preferably an elongated trough is provided in the portion 10 and the roller 16 is supported so as to take up liquid from the trough. The body portion 10 may be shaped with a curved recess of substantially the same length and radius as the roller 16 and such that one half to one third of the surface of the roller is covered by the body portion 10. Also the ends of the arms 18, 19 may be curved such that from one third to one half of the roller surface extends beyond the profile of the curved ends of the arms. The roller 16 may consist of a core 26 made of polythene or nylon and an outer layer 27 of polythene foam and has bearing elements 24, 25 which engage in the bores in the arms 18, 19 the arms being of such resilience to enable the bearing elements 24, 25 to be forced between the arms and into the bores. In use the container B may be tipped to cause liquid to flow into the trough 15 and so be picked up by roller 16 or a tube 9 may be fitted, in which case the container may be squeezed to cause liquid to flow up the tube into the trough 15. Reference has been directed by the Comptroller to Specification 1,023,517.
Patent GB-1161803-A (GB)
Title: Photoelectropolymerization Process
Inventor: LEVINOS STEVEN
IPC: C08F2/48
Filed: 1966-09-23
Abstract: 1,161,803. Photo-electro polymerization. GAF CORP. 23 Sept., 1966 [16 Feb., 1966], No. 42491/66. Heading C3P. [Also in Division G2] A polymer resist image is obtained by (i) contacting the layers (p) and (q) of the elements I and II, said element I comprising a transparent support coated with a transparent electrically conducting layer, e.g. tin oxide and a layer of photo-conductive material (p), e.g. ZnO, ZnS, ZnCdS, CdSe and CdS which may be activated with Mn, Ag, Cu, Cd or Co and said element II comprising a conductive support, e.g. an aluminium sheet or carbon-coated paper film or carbon or electrolyte impregnated paper coated with a layer (q) comprising an ethylenically unsaturated monomer and a catalyst which catalyses polymerization of said monomer when an electric current is passed through said layer, (ii) applying a potential difference across said layers (p) and (q) by means of the conductive supports, (iii) exposing imagewise through the support of element I, (iv) separating the elements and (v) washing element II in hot water to remove unreacted polymer. Specified monomers include acrylic, methacrylic, vinyl, vinylidene, styrene and butadiene monomers and mixtures thereof and the monomer composition may contain cross-linking agents, e.g. methylenetis-acrylamide, triacryl formal, triallyl cycanurate, divinyl benzenes, divinyl ketones and diglycol acrylates and a hydrophilic colloid binder. Specified catalysts are aliphatic saturated mono and dicarboxylic acids of 1 to 20 C and their water-soluble salts, halogenated acetic acids, N,N-bis-(2-hydroxyethyl) glycine, hydrohalic acids and the alkali metal, ammonium and quaternary ammonium salts thereof, aryl, long chain alkyl, alkaryl, alkyl-, aryl and alkaryl-polyether and diaryl-, di-(alkaryl)- and dialkyl mono- and polyether sulphates and sulphonates, alkali metal borohydrides and the nitrates of Na, K, Ag and NH4<SP>+</SP>. In the examples the following monomers are used: methylene - bis - acrylamide, a methylene - bis - acrylamide/acrylamide mixture, triacrylformal, methacrylic acid, acrylic acid, calcium acrylate, methacrylamide, vinyl acetate, N-acrylylpyrrolid-2-one and N-vinyl-pyrrolid-2-one.
Patent GB-1223800-A (GB)
Title: Improved apparatus for and method of wet-treating a textile web
IPC: D06B3/20
Filed: 1969-08-27
Abstract: 1,223,800. Textile treating apparatus. W. R. GRACE & CO. 27 Aug., 1969 .[24 Sept., 1968], No. 42617/69. Heading D1L. A textile web 6 is wet-treated, e.g. dyed, in a chamber 42 whilst supported on a polygonal array of rollers 49-53 fixed on a common rotating mounting, there being a radially variant inner surface 64, 66 surrounding the array in the chamber, whereby the distance between a roller and the surface varies as the array rotates. The surface causes alternate high and low pressure zones in the treatment liquid which is thus forced to-andfro across the web. The surface of the rollers may be ridged, e.g. with a double oppositely directed helix running out from the centre. The individual rollers may be free or driven and the whole array is advantageously counterrotated with respect to the web motion. Alternative configurations for the surface are described (Figs. 4A-4D not shown). The liquid may be kept under pressure, e.g. from a head in a vertical column.
Patent GB-1277289-A (GB)
Title: Emulsion polyvinyl chloride having improved transparency
IPC: C08F2/22
Filed: 1969-08-27
Abstract: 1277289 Emulsion polymerization of vinyl chloride FARBWERKE HOECHST AG 27 Aug 1969 [27 Aug 1968] 42725/69 Heading C3P Vinyl chloride is polymerized in aqueous emulsion using as emulsifying agent a lithium, potassium, ammonium or zinc salt of a C 8 -C 20  alkyl sulphonic acid or an alkaryl sulphonic acid having a C 8 -C 18  alkyl group, and the polymer is recovered, the emulsifier remaining with the polymer, e.g. by spray drying. In one example a copolymer with butyl acrylate is formed.
Patent GB-1006731-A (GB)
Title: Towed submersible barge
IPC: B63G8/42
Filed: 1963-10-30
Abstract: 1,006,731. Towed submersible vessel. CONTINENTAL OIL CO. Oct. 30, 1963 [Nov. 1, 1962], No. 42794/63. Headings B7A, B7M and B7V. A towed submersible barge comprises ballast tanks 4 and 5 having exhaust ports 6 and 7 respectively, air storage chambers 10 and 11 respectively connected to the tanks 4 and 5 through remotely controlled valves 8 and 9, a towing line 2 and control surfaces 3. The barge can be given a predetermined longitudinal inclination to increase its resistance to motion through the water.
Patent GB-962990-A (GB)
Title: Improvements in or relating to instruments for gauging material properties by nuclear radiation techniques and to radiation sources
IPC: G01N23/08
Filed: 1960-12-13
Abstract: 962,990. Measurement of materials by radiation. A. ABBEY. (Industrial Nucleonics Corporation). Dec. 13, 1960, No. 42894/60. Heading G1A. Also in Division H5] A mixture of (3-rays and X-rays is obtained by allowing a primary beam of #-radiation to fall on a target which intercepts part only of said beam, the target being of a material which produces X-rays on bombardment by #-radiation. Fig. 5, shows a #-radiation source 40 and a detector 12, between which is disposed a target 36 having an aperture 44 therein. The target is thick enough to absorb most (about 97%) of the #-particles, but these react with the nuclei in the target material to produce a "bremsstrahlung" beam of X-rays, represented at 42. Thus the resultant radiation is a mixture of these X-rays and part of the original #-radiation which passes unintercepted through the aperture 44. This combined radiation is particularly suitable for thickness gauge measurements on sheet material, in which the radiation passes through the material and is detected on the other side. In the embodiment shown in more detail in Fig. 7, the # emitter radioisotope is contained in a sealed capsule 56. This mounted on a flange 62 secured by screws 64, 66 in a rectangular metal block 50. Projecting from block 50 is a cylindrical portion 52, in which a deep annular groove 76 is cut; this groove is filled with lead to act as a shield. The open end of cylinder 52 is closed by the target disc 80 (corresponding to target 36 in Fig. 5), which has nine holes 86 drilled therein, arranged in the form of a square. It is desirable for the target material to have a low atomic number, a preferred material being anodized aluminium. Instead of an apertured target, a solid target or plurality of targets may be used which have a smaller area than the beam, which has the same result of a partly non-intercepted beam. In Fig. 8, (not shown) the same arrangement is modified for the reflection method of thickness gauging. Specification 794,207 is referred to.
Patent GB-1147362-A (GB)
Title: Phase locked crystal controlled voltage variable oscillator
IPC: H03J7/06
Filed: 1966-09-27
Abstract: 1,147,362. Automatic frequency control. SPACE-GENERAL CORP. 27 Sept., 1966 [27 Sept., 1965], No. 43036/66. Heading H3A. In a superheterodyne radio receiver the local oscillator 13 comprises a voltage controlled oscillator 43, a crystal controlled oscillator 50, a mixer 52 for combining the outputs from the two oscillators, a phase detector 54 for comparing the phase of the combined signal with a reference signal from a source 51, and means supplying the phase detector output to control the frequency of the oscillator 43. The controlled frequency may be varied by changing the crystals in the oscillator 50. Switch 44 provides means whereby the frequency of the reference source may be adjusted in dependence on the phase of the I.F. output signal, by comparing the I.F. output and the reference signal in a further phase detector, Fig. 1a (not shown). Switch 56 provides an alternative mode of operation in which an AFC signal is obtained from the I.F. output in a conventional manner.
Patent GB-1424780-A (GB)
Title: Ejecting fitting for drawers or the like
IPC: E05B17/00
Filed: 1973-09-14
Abstract: 1424780 Latches ROBERT KRAUSE KG 14 Sept 1973 [16 Sept 1972] 43204/73 Heading E2A [Also in Divisions A4 and F2] A spring-loaded latching device comprises a plunger 5, movable between an inward position and an outward position; an ejection spring 20 urging the plunger outwards; a lever 22 mounted alongside the plunger 5 and having a pivot spring 25 urging it both to pivot about and to slide along an axis 23 transverse to the plunger 5; a projection 40 on the plunger 5; a first control face 29 engageable with the projection 40 as the plunger 5 is moved from the outward position to the inward position; a stop face 30 engageable with the projection 40 to latch the plunger 5 in the inward position; a second control face 35 engageable with the projection 40 when the plunger 5 is moved further inwardly from the inward position; a bearing face 36 extending along the lever 22 from the second control face 35 to the first control face 29 and engageable with the projection 40 as the plunger 5 moves from the inward position to the outward position under the action of the ejection spriring 20. Figs. 2 and 3 show the second control face 35 as the concave surface of a projection 33; it serves to guide the free end of the projection 40 which is in the form a pin onto the bearing face 36, the required associated movement of the lever 22 being allowed by a pivot pin 24 and the pivot spring 25. Figs. 5 and 6 (not shown) illustrate a second embodiment in which the second control face 35a is provided by a tongue 37a.
Patent GB-973641-A (GB)
Title: Improvements in electrical loop-in or junction boxes
Inventor: BOYRD NORMAN
IPC: H02G3/10
Filed: 1960-12-15
Abstract: 973,641. Junction boxes. EGA ELECTRIC Ltd. March 13, 1962 [Dec. 15, 1960], No. 43291/60. Heading H2E. An electric loop-in or junction box 1 consists of a conical body 2 and a lid 3 with cable-entry apertures 8. The box is fitted in a similarly shaped hole in a ceiling or overhead part. Apertured lugs 5 are provided for the supporting screws for a ceiling rose or other fitting. The lid of the box may be fitted to the body by either an internal or external screw thread or by a bayonet-type coupling, Fig. 7 (not shown), and the lid may be of truncated conical shape, Fig. 8 (not shown).
Patent GB-982486-A (GB)
Title: Improvements in fire extinguishers
IPC: A62C13/00
Filed: 1962-11-19
Abstract: 982,486. Fire-extinguishers. SAMUEL JONES & CO. (ENGINEERING) Ltd., and C. H. PHILLIPS. Nov. 18, 1963 [Nov. 19, 1962], No. 43659/62. Heading A5A. A fire-extinguisher of the pressure type comprises a body 1 carrying a nozzle 6 and fitted with a neck-ring 3, into which is fitted a gas cartridge 4 and a fitting 2, which carries a spring-loaded piercing pin 7 and a carrying handle 11. It is characterized in that the handle 11 is rotatably mounted on the fitting 2 and may be locked in the required position (i.e. " opposite " to the nozzle) by a screw 13, which engages in one of a plurality of threaded holes 12 disposed in the fitting 2 regardless of any change in the relative dispositions of the nozzle and neck-fitting, e.g. after re-charging. Alternatively, the handle may be fitted to a split sleeve which may be clamped to the fitting 2, either the sleeve or the fitting being ratcheted.
Patent GB-1273099-A (GB)
Title: Deep-frozen food product
Inventor: BRANDIN AXEL BORJE
IPC: A23L13/00
Filed: 1970-09-15
Abstract: 1,273,099. Frozen food product. PRODUITS FINDUS S.A. 15 Sept., 1970, No. 43996/70. Heading A2B. A frozen food product comprises a piece of meat or fish on at least one side of which is applied a sauce in the form of a stable foam which comprises 5 to 40 parts by weight of fat 1 to 4 parts by weight of starch, 1 to 3 parts by weight of stabiliser and an amount of an aqueous liquid such that in the sauce the weight ratio of solids (including fat) to liquid is between 3:1 and 1:3. The sauce may also contain an edible protein such as milk solids, cheese, a protein isolate or sodium caseinate. A garnish may also be present, suitably onion or parsley. The sauce may additionally contain seasonings, colourings, flavourings such as white wine and lemon juice, and stabilisers. The sauce, which may be whipped to an over-run of at least 15%, should be kept at a temperature below 10C during application to the meat or fish piece.
Patent GB-1203432-A (GB)
Title: Storage tube
IPC: H01J31/38
Filed: 1967-09-28
Abstract: 1,203,432. Image storage device; cathoderay storage tube. XEROX CORP. 28 Sept., 1967 [29 Sept., 1966], No. 44128/67. Headings H1D and H1K. An image pick-up and storage device comprises a layer of a field-effect semi-conductor, means to form a charge pattern on a surface of the semi-conductor corresponding to an electromagnetic radiation pattern to be detected, conducting means in contact with the semiconductor remote from the surface, a plurality of mutually isolated conductors in contact with the semi-conductor, means to scan individual conductors and means to detect changes in the resistance between the conductors and the conducting means. The target 48 consists of a glass plate 12 having a mosaic of wires 16. A grid 10 is arranged on the surface of the plate and is coated with a layer 8 of ZnO (a fieldeffect material) e.g. by sputtering zinc and oxidizing it. In place of ZnO, CdS, CdO or PbO may be used. Alternatively two layers may be used one being a field-effect material (54, Fig. 3, not shown) e.g. CdS and the other a photoconductive material (50), e.g. As 2 S 3 , Se, As + Se alloy, ZnS or metal-free phthalocyanine dispersed in a binder. If the photoconductive layer is not an insulating material then an insulating or blocking layer (52) may be provided between the layers. A negative charge is applied to layer 8 by connecting a corona supply 26 to wires 6 thereby erasing any residual charge pattern on the layer. When layer 8 is exposed image-wise areas of different conductivity are created in layer 8 which are sensed by means of wires 16 and grid 10 when the layer is scanned by an electron beam. Alternative read-out systems employ a dual electron beam, multiple or single mechanical probes (Fig. 4, not shown) or a sequential switching matrix (Fig. 5, not shown).
Patent GB-1382696-A (GB)
Title: Apparatus for optimizing refined oil yield from a solvent refining unit
IPC: B01J19/00
Filed: 1972-09-25
Abstract: 1382696 Solvent refining oils TEXACO DEVELOPMENT CORP 25 Sept 1972 [30 Dec 1971] 44154/72 Heading C5E [Also in Division G3]  In a unit for refining oil using at least two solvents of different economic values, the ratio of the respective solvent flows is controlled in response to a comparison of the instant value of the ratio of refined oil flow to solvent mixture flow with an immediately previous value of this ratio. The object is to ensure the most economic use of the solvents. The system is applied to a refining unit illustrated in Fig. 1 (not shown), and may be combined with the system for maximum production described in Specification 1,336,485 (Divisions B1 and C5). The solvents used are water and N-methyl-2- pyrrolidone. Alternatively the invention could be applied to the phenol refining process, dimethylsulphoxide extraction, duo-sol extraction and sulpholane extraction.
Patent GB-1390546-A (GB)
Title: Position encoder for feedback control system
IPC: G05D3/12
Filed: 1972-09-25
Abstract: 1390546 Position encoding NORTH AMERICAN ROCKWELL CORP 25 Sept 1972 [22 Nov 1971] 44193/72 Heading G4H A feedback positioning system for a gauge or a paper cutting machine includes means for generating digital signals indicative of the instantaneous position of the gauge which comprises two disc encoding scales mounted adjacent on a shaft which is rotated by a positioning motor and which is formed at one end as a lead screw to move the gauge, the first disc being transparent and having a track of opaque marks therearound with uniformly spaced-apart edges and a further single mark outside the track, the second disc, also transparent, having a series (ten) of uniformly spaced opaque binary code patterns therearound, each of the patterns also having a strobe marking adjacent on an outermost track of the disc, the first disc being fixed to the shaft as axis but the second being freely rotatable thereon and coupled to the shaft through a gear train so that it revolves once in every 100 revolutions of the shaft. The marks on the two discs are scanned photoelectrically and the pulse train derived from the first is fed to a counter forming a part of the positioning loop. When the single mark on the first disc and one of the strobe marks on the second disc are sensed simultaneously, the counter is reset to the position indicated by the associated binary code and in this way cumulative counting errors are reduced.
Patent GB-1110814-A (GB)
Title: Improvements in or relating to analogue-digital converters
Inventor: COWAN CLAUDE ISAAC
IPC: H03M1/00
Filed: 1963-11-09
Abstract: 1,110,814. Analogue to digital converters. ELLIOTT BROS. (LONDON), Ltd. 9 Feb., 1965 [9 Nov., 1963], No. 44297/63. Heading G4H. An analogue-to-digital converter comprises a number of stages 1, 2, 3 in each of which the unknown voltage is compared with a series of equallyspaced reference voltages an output being produced indicating by a marking on one lead the highest reference voltage exceeded. In stage 1 reference voltages 1V1-1V9 having values 1-9 volts are applied to comparators 1C1- 1C9 outputs on leads 5 and 6 indicate that the unknown voltage on lead 4 is less or more than the corresponding reference voltage. One of the AND gates 1A0-1A9 will respond according to the value of the unknown voltage giving an indication on one of leads 1D0-1D9 of the highest digit value exceeded by the unknown voltage. The marked lead 1D0-1D9 causes an appropriate combination of four stages to be set in a store 1B and also opens a switch 8 to cause the corresponding reference voltage to be subtracted from the unknown voltage at 1s. The remainder is applied on lead 9 to the tenths stage 2 where it is compared with voltages 2V1-2V9 having values 0À1V.- 0À9 V. The operation is identical and the difference is applied to the hundredth stage 3. This stage includes no subtracting operation. The values in stores 1B-3B represent the three decimal digits of the value of the input voltage, each digit being binary coded.