baber/WOPTO huggingface dataset:
Patent GB-484100-A (GB)
Title: Manufacture of organic gold compounds
IPC: C07B61/00
Filed: 1936-10-30
Abstract: Organic gold compounds of therapeutic value are obtained by treating a compound of the formula <FORM:0484100/IV/1> wherein X stands for hydrogen or a lower alkyl group and n is a low number, in aqueous solution with a soluble gold salt. According to the examples, methylglucamine is treated with chloracetyl chloride, the resulting chloracetyl methylglucamide boiled with potassium disulphide solution, and the disulphide-acetic acid-methylglucamide so formed then treated with auric chloride solution; similar products are obtained by using glucamine or ethylglucamine as starting materials or by replacing chloracetyl chloride with b -chlorpropionyl chloride. The Specification as open to inspection under Sect. 91 describes the treatment of organic sulphur compounds in general which do not contain their sulphur in the form of sulphydryl groups. Solubilizing groups, such as a carboxylic or basic group or polyhydroxyl group, may be present or may be introduced, or the substance may contain a lipophile group such as carbethoxyl. British Specification 454,813 and U.S.A. Specification 1,869,834 are referred to.  This subject-matter does not appear in the Specification as accepted.
Patent GB-379553-A (GB)
Title: Improvements in or relating to disinfecting and like devices for sanitary appliances
IPC: E03D9/02
Filed: 1931-10-26
Abstract: 379,553. Disinfecting closets &c. BRAIN, T. H., 4, Manhattan Mansions, Holloway, London. Oct. 26, 1931, No. 29625. [Class 26.] A device for disinfecting a closet &c comprises a receptacle A, containing disinfectant &c. in the form of a block B or of crystals placed within a container, which is secured by means of suckers F or a wire loop &c. upon the pan and in the path of the flushing-water, so that a certain amount thereof is trapped, impregnated with disinfectant &c. and is subsequently discharged through a siphon E. The receptacle may be open at the top or may be covered with a grating &c., and the disinfectant may be supported by a strainer C which may be adapted to delay the passage of water through the device, for which purpose the bore of the siphon E is also suitably dimensioned.
Patent GB-889977-A (GB)
Title: Improvements in or relating to matrix memory storage devices
IPC: G11C11/06
Filed: 1958-09-17
Abstract: 889,977. Circuits employing bi-stable magnetic elements. PHILIPS ELECTRICAL INDUSTRIES Ltd. Sept. 17, 1958 [Sept. 20, 1957], No. 29757/58. Class 40 (9). [Also in Group XIX] In a matrix store comprising magnetic elements each coupled with a conductor of a first group and a conductor of a second group, in which binary information is written by applying coincident current pulses of approximately the same strength to a conductor in each group, and the information stored in elements coupled with the same first group conductor is read out by applying a current pulse of opposite polarity to this conductor, the strength of the read-out pulses is at least a factor 1-2 higher than the combined strength of the writing pulses fed to the two conductors. In the matrix shown in Fig. 1, a " 1 " is written in one of the cores K 11 -K 44  by applying pulses of amplitude PS2, Fig. 2, simultaneously to the appropriate row conductors H1-H4 and column conductors V1-V4. The selected core thus receives a pulse strength 2PS2 which drives it to positive remanence state P2; when a negative read-out pulse NS (larger than 2PS2) is applied to the associated row conductor, the core is returned to negative remanence state N1 and an output pulse proportional to the distance between P2 and N1 is applied to the associated read-out amplifiers UV1 . . . UV4. Those cores which have received only a half-write pulse PS2 will have been driven to state N3 which is very close to N1 so that they will provide a negligible output pulse in response to pulse NS. Where the core hysteresis loop is not perfectly rectangular, as indicated, this provides an improvement on the known system in which the strength of two half-write pulses (PS1) equals the strength of the read-out pulse NS. The pulses for the row conductors are obtained from switching cores SK1-SK4 in one direction or the other, the larger read-out pulses being obtained owing to the shunting of resistors R2 by rectifiers G.
Patent GB-894981-A (GB)
Title: Improvements in twin window or ventilator operating mechanism
IPC: E05F11/14
Filed: 1958-09-17
Abstract: 894,981. Window &c. operating mechanisms; ventilators. SLIGHTING INSTITUUT VOOR TUINBOUWTECHNIEK. Sept. 17, 1958 [Sept. 17, 1957], No. 29778/58. Classes 20(3) and 137 [Also in Group XXIV] Two ventilating windows 21, 22 of a greenhouse movable between a preferential biased closed position under spring force or gravity and a terminal 'open position are operated alternately by a mechanism comprising sun gears 7, 8 on the respective shafts 9, 10 and chain driven through planetary gears 5, 6 of different numbers of teeth and secured to a pulley 3 driven from a motor 1, so that when, say window 21 is in its closed position and shaft 9 is held, then shaft 10 is rotated through reduced gear ratio to open window 22. On reversal of the motor 1, window 22 closes helped by its weight or spring force and when fully closed, the shaft 10 is held and shaft 9 is driven through a reduced gear ratio to open window 21. Locking devices 23, 24 lock the shafts in any desired position of the windows. Specification 632,380 is referred to.
Patent GB-957188-A (GB)
Title: Manufacture of 11:18:21-trioxygenated 20-oxo-pregnanes and esters thereof
IPC: C07J75/00
Filed: 1960-08-29
Abstract: The invention comprises (1) a process for the preparation of a saturated or unsaturated 3-oxygenated 20-oxo-pregnane which contains in each of the 11- and 18-positions a free or esterified hydroxyl group or an oxo group and in the 21-position a free or esterified hydroxyl group, wherein is a 20-ketal of a saturated or unsaturated 3-oxygenated, 11, 18, 21-trihydroxy-20-oxo-pregnane at least one of the hydroxyl groups is esterified, a ketal group in the 3-position is, if desired, hydrolysed, then the ketal group in the 20-position is hydrolysed by reaction with a strong inorganic acid in the presence of a low aliphatic carboxylic acid and, if desired, at least one of the remaining free hydroxyl groups is dehydrogenated before or after the ketal cleavage and, if desired, ester groups are hydrolysed and/or free hydroxyl groups esterified; (2) 11, 21-diesters of D 4-3, 20-dioxo-11b , 18, 21-trihydroxy-pregnene or 20-cyclohemiketals thereof; (3) D 4-3-oxo-11b -hydroxy-18, 20-oxido-20, 21-diacetoxy-pregnene and the corresponding 11-one; (4) D 4-3, 11, 20-trioxo-18-hydroxy-21-acetoxy-pregnene or its 20-cyclohemiketal; (5) D 4-3, 11, 20-trioxo-18 acetoxy-21-hydroxy-pregnene and the 21-acetate thereof; (6) an 11-monoester or an 11, 21-diester of D 4-3, 18, 20-trioxo-11b , 21-dihydroxy-pregnene; (7) D 4-3, 11, 18, 20-tetraoxo-21-acetoxy-pregnene; (8) an 11-acyloxy-18, 21-dihydroxy-20, 20-alkylenedioxy-pregnene containing in the 3-position an esterified hydroxy group or a free or ketalized oxo group and containing a D 4- or D 5-double bond, or an ester thereof; (9) an ester of an 18, 21-dihydroxy-11-oxo-20, 20-alkylenedioxy-pregnene containing in the 3-position an esterified hydroxyl group or a free or ketalized oxo group and containing a D 4-or D 5-double bond; (10) an 11, 21-diester of an 11, 21-dihydroxy-18-oxo-20, 20-alkylene-dioxy-pregnene containing in the 3-position an esterified hydroxyl group or a free or ketalized oxo group and containing a D 4- or D 5-double bond, and the corresponding 11-oxo-21-monoester compound.  In the 20-ketal hydrolysis stage of (1), further ketal groups which may be present, for example in position 3, are simultaneously hydrolysed. Examples are given, and a list of esterifying acids is provided.  The pregnane compounds of the invention, some of which are stated to have a mineralocarticoid activity and to be of use in the treatment of Addison's disease and shock, may be made up into pharmaceutical compositions with suitable carriers. They may take the form of tablets, dragees, solutions, suspensions or emulsions and may contain preserving, stabilizing, wetting or emulsifying agents, salts for varying the osmotic pressure or buffers.  Specifications 901,535, 936,345 and 957,187 are referred to.
Patent GB-379902-A (GB)
Title: Improvements relating to slidable seats for vehicles and the like
IPC: B60N2/07
Filed: 1931-10-27
Abstract: 379,902. Sliding seats. CHAPMAN, A. W., 115, Howards Lane, Putney, London. Oct. 27, 1931, No. 29814. [Class 52 (ii).] In a sliding seat having slides which engage one another along one edge or side only, the slides 1, 2 have line contact at 3, produced by the convex surface of the bend of the slide 1 contacting with the slide 2, and transverse separation of the slides is prevented in every direction when they are mounted in working position upon the floor N and seat C respectively. Transverse separation may be prevented by shaping the edges of the slides as shown in the Figure, or additional means may be provided for that purpose upon one of the slides of the pair, or one pair of slides may co-operate with another pair to produce this result. Specification 327,747, [Class 52 ii), Furniture for sitting &c. upon], is referred to.
Patent GB-827631-A (GB)
Title: Improvements in or relating to a curved cylinder for relief printing machines havinga removable stereotype plate carrying jacket
IPC: B41F27/14
Filed: 1957-09-24
Abstract: 827,631. Printing surfaces. SCHNELLPRESSENFABRIK AKTIENGESELLSCHAFT HEIDELBERG. Sept. 24, 1957 [July 25, 1957], No. 29907/57. Class 100(2) A curved cylinder for relief printing machines having a removable stereotype plate jacket 4 is characterized in that the jacket is mounted in a fork-like manner on the core 1 of the cylinder which has guide surfaces 3, the jacket 4 being held on the core 1 by a ring 40 mounted on one end of the core 1 and provided with a jacket edge engaging recess 41. At the other end of the core a ring 42 is provided having a thread 43 for receiving a further ring 44 provided with bores 45. Thrust pins extend through the ring 42, are axially adjustable in the bores 45 and bear against a clamping ring 47, axially movable with respect to the core 1. The plates 10 may be on the jacket 4 by means of adhesive or by providing the jacket with helical clamping grooves 7. Alternatively when two jackets are mounted axially of one another a central fixed ring is provided and both ends of the core are provided with adjustable clamping rings 47.
Patent GB-960466-A (GB)
Title: Lacquer for printing plates
Inventor: UHLIG DR FRITZ
IPC: C09D127/06
Filed: 1961-08-18
Abstract: 960, 466. Photomechanical printing surfaces. KALLE A.G. Aug. 18, 1961 [Aug. 20, 1960], No. 29928/61. Heading G2M. A process for the production of printing plates comprises applying to the exposed and developed plate, after it has been inked up and wiped with an aqueous solution of a waters-soluble colloid, an oleophilic lacquer consisting of a solution in an organic solvent insoluble in water of a dye and a vinyl chloride interpolymer containing carboxyl groups. The lacquer may contain a plasticizer for the interpolymer and the dye may be a dispersion dyestuff. The solvent may be a mixture of a ketone and one or more aliphatic esters of aliphatic acids. The lacquer dissolves the ink and the image and the coloured resin adheres tenaciously to the areas which leave the image but does not adhere to the image-free areas.
Patent GB-797242-A (GB)
Title: Preparation of esters, secondary alcohols and ketones
IPC: C07C55/02
Filed: 1956-10-02
Abstract: In an improvement of the process as claimed in Claim (1) of the parent Specification, the olefinic compound is a C5 to C16 secondary branched chain olefin or a C6 to C16 cyclo-olefin bearing an alkyl substituent in any position not adjacent to a double bond, the perfluorocarboxylic acid has 2 to 6 carbon atoms per molecule and the reaction temperature is between 50 DEG  and 300 DEG  C. 3-methyl-1-butene is mixed with a molecular excess of trifluoroacetic acid, and the mixture maintained at 50-75 DEG  C., preferably at 65 DEG  C., until a major portion of the methyl butene is combined with the acid to form a mixture of the perfluoroacetic acid esters of 2-methyl-2-butanol and 3-methyl-2-butanol.  The esters are saponified to form the free alcohols which are oxidized to isopropylmethyl ketone, by potassium dichromate-sulphuric acid mixture.  The tertiary alcohol in the reaction is decomposed on oxidation; alternatively the alcohols may be separated by close fractionation before oxidation. Similarly 4-methyl-2-pentene is reacted with perfluoroacetic acid to form a mixture of 4-methyl-2-pentyl and 4-methyl-3-pentyl perfluoroacetates, which are saponified to yield the free alcohols and these oxidized by chromic acid to a mixture of 4-methyl-2-pentanone and 4-methyl-3-pentanone (or 2-methyl-3-pentanone).  In both examples the ketones are converted into their 2,4-dinitrophenyl hydrazones and with the pentanones only into the semicarbazones from which that of 2-methyl-3-pentanone was separated in the course of recrystallization.
Patent GB-1358871-A (GB)
Title: Crane load indicator arrangement
IPC: B66C23/90
Filed: 1971-06-25
Abstract: 1358871 Function generators PYE Ltd 25 June 1971 30024/71 Heading G4G [Also in Division G1] A low generator comprises amplifier 55 with feedback resistor 56 and input paths 57-61 of which paths 57-60 are connected to an input voltage V IN , variable over the range 0 to + 5 v. Input path 61 connects to a -5v. reference voltage via a preset potentiometer so that current I 5  is constant as shown at 76. Input 57 includes resistor 62 so current I 1  flowing to virtual earth input of amplifier 55 varies linearly with V IN  as shown at 63. Current I 2  flowing in path 58 increases linearly with V IN  until transistor 66 conducts and is thereafter constant as shown at 69. Path 59 acts similarly to path 58 but includes an inverting amplifier 70 so current I 3  is of opposite polarity to I 1 , I 2  and is as shown at 72. Path 60 includes a series switching circuit and no current flows in this path until V IN  reaches a level, determined by potentiometer 73, at which the switching circuit conducts when current I 4  commences to flow and increases linearly with V IN  as shown at 74. Total current I TOT  at amplifier 55 input is the sum of currents I 1  to I 5  and varies as shown at 77. The output voltage of the amplifier is always such as to provide a current through resistor 56 equal and opposite to I TOT  so that amplifier output voltage follows the curve 77 but is of opposite sign.
Patent GB-760339-A (GB)
Title: Improvements in and relating to thermal insulation
IPC: C04B30/02
Filed: 1953-10-30
Abstract: 760,339. Heat insulation. GENERAL ELECTRIC CO. Oct. 30, 1953 [Oct. 30, 1952], No. 30060/53. Addition to 752,873. Class 64(2) In an insulating structure, a batt 21 of glass fibre is disposed between a pair of walls 15, 16 welded together at their edges 19, 20 while a non-flexible baffle 22, e.g. of L-section, is located between the batt and the welded joint to block entry of material from the batt into the weld area. The baffle may have its base welded to the wall 15 or be unsecured so that it is held in position by a perpendicular side wall 18 of the wall 16. The structure may be evacuated of air. Glass fibre such as that described in Specification 715,174 may compose the batt 21 and may be precompressed as described in Specification 715,175.
Patent GB-1474341-A (GB)
Title: Toner concentration detector for dry powder magnetic brush toning system
IPC: G03G15/08
Filed: 1975-07-17
Abstract: 1474341 Measuring toner concentration SAVIN BUSINESS MACHINES CORP 17 July 1975 [17 July 1974] 30064/75 Heading G1N [Also in Division G3] A system arranged in an electrostatic copier to monitor the concentration of toner in a developer comprising a mixture of toner particles and ferromagnetic carrier particles includes a tray 46 for holding a supply of the developer, a tray 104 down which developer moves after coming off a magnetic brush applicator cylinder 28, a sensing inductance winding 122 carried by a conduit 114 through which the developer falls from the tray 104, the conduit having a predetermined outlet restriction 120 for inhibiting unstable flow of developer through the portion of the conduit carrying the winding. The inductance determines the frequency of a sensing oscillator 126 which is compared with a reference oscillator 140, the difference acting via solenoid 96 and a pawl-andratchet arrangement to drive roller shaft 68 to supply toner from housing 56 to the tray 46 so as to keep the toner concentration in the developer substantially constant. In the preferred embodiment the conduit internal diameter is 0À20 inch and the restriction provides an outlet opening in the range of not less than 0À12 inch but less than 0À16 inch.
Patent GB-1121794-A (GB)
Title: Sliding sash window construction
IPC: E06B3/46
Filed: 1966-07-05
Abstract: 1,121,794. Sliding window drainage. G. CARTER. 29 June, 1967 [5 July, 1966], No. 30156/66. Heading E1J. In a sliding window having extruded aluminium sashes and top and bottom guide channels set in a wooden frame an aluminium plate 10 covers the portion of the wooden sill on which the bottom channel 4 is supported so that water draining from the channel 4 through holes in the bottom of the V-shaped base falls on to the plate 10 and runs along it to recesses in the edge portion of the descender 14 of the bottom channel 4. The upper side of the plate 10 has an upturned flange 11 ending in a rib 9 received in a channel 8 on the underside of the base of the bottom channel to form a weather excluder. Nylon runners 21 are provided to run on upstanding ribs 12 on the base of the guide and nylon strips are received in the side grooves of the frame and act as draft excluders.
Patent GB-707430-A (GB)
Title: Apparatus for moulding concrete articles
IPC: B28B1/087
Filed: 1951-12-27
Abstract: 707,430. Moulding concrete articles. WOLFER, G., and WOLFER, A., and WOLFER, G., Ttrading as WOLFER & GOEBEL]. Dec. 27, 1951, No. 30184/51. Class 87 (2) In apparatus for moulding long concrete building units, e.g. beams, by means of a travelling mould with the material remaining stationary, the mould comprises two sections b, c end-to-end. the front one b of which incorporates vibrating.means, and the sections are connected in such a way as to prevent the vibrations being transmitted from the front section to the end of the rear section c. The two walls a of the mould are held together by bow-shaped members d, those in the front section being designed to accommodate a hopper i and having mounted on them vibrators e. The sections b and care joined by springs g, this resilient connection not transmitting vibrations. A surface vibrator f may be located near the joint, to compact the concrete to the correct height. Any vibrations which may persist at the end of the rear section are damped by a load h. The mould is drawn in the direction of the arrow, Fig. 1, by a winch (not shown), and slides along guide rails or, if longitudinal reinforcement l is. incorporated, a head piece may be fitted whereby the reinforcing rods are used as guides. The speed at which the mould is moved depends on the action of the vibrators and governs the rate of filling the hopper. As the mould moves onwards the moulded object m remains unsupported. The material of the mould is steel or light metal. By using a core, which is also moved, hollow objects may be moulded. To facilitate the separation of the concrete from the mould and core they are given a slight taper. Several beams may be moulded in one mould by the provision of longitudinal separating walls, or moulds may be arranged side by side with vibrators between them. The moulds may be circular, for moulding, e.g. pipes, and the mould and track may be curved to mould e.g. arches. Individual building elements can be moulded in their proper lengths by inserting separating sheets, past which the moulds move, supported on the reinforcement wires l.
Patent GB-1130772-A (GB)
Title: Transducer assembly
IPC: F16C33/10
Filed: 1966-07-05
Abstract: 1,130,772. Supporting recording &c. heads. GENERAL PRECISION SYSTEMS Inc. 5 July, 1966 [2 Dec., 1965], No. 30185/66. Heading G5R. A transducer assembly comprises a transducer carrying shoe 14 urged towards the recording surface of a rotating memory 19 by a leafspring 22, the shoe 14 being capable of floating on a gaseous bearing created upon the recording surface. Holes 28, 30 are formed in the leafspring 20 to receive balls 52, 54 fixed to pins 31, 32 which protrude from shoe 14. As shown in Fig. 5, pins 31, 32 pass through holes 49 in a wedge 44 so that they intercept the vertex 46 of the wedge. When leaf-spring 22 contacts vertex 46 the mid-plane 23 of leaf-spring 22 intercepts at the exact equator of balls 52, 54 so that the only contact point between balls 52, 54 and leaf-spring 22 is at the mid-plane 23 including point 29.
Patent GB-505252-A (GB)
Title: Improvements in or relating to electrical oscillation generators
IPC: H03K4/16
Filed: 1937-11-04
Abstract: 505,252. Valve generating circuits. PERCIVAL, W. S. Nov. 4, 1937, No. 30192. [Class 40 (v)] The blocking condenser of a blocking oscillator is arranged in the cathode lead and the feed. back is between the cathode and screen grid so that the control grid is available solely for synchronizing pulses which need not be separated from picture signals and which may include a direct current component. In the embodiment the condenser 14 is charged slowly over resistance 7 and discharged quickly through valve 2 although a quick charge and slow discharge can be obtained by connecting condenser 14 and resistance 7 in parallel between anode 6 and positive lead 15. When a positive synchronizing pulse is received over lead 1 the valve is opened and condenser 14 discharges, the discharge terminating when condenser 12 is charged sufficiently to give a blocking bias to cathode 3. The condenser 12 slowly discharges through adjustable resistance 13 so that, in the absence of synchronizing pulses, the oscillation frequency is determined by combination 12, 13. The feed back is provided by transformer 10, 11 and is between the cathode and screen grid. Saw tooth potentials are taken from the terminals of condenser 14 whilst the potentials across condensers 12 and 14 give a push-pull output if this is required, the waveform being straightened by providing a choke in series with resistance 13 or by connecting resistance 13 to a negative potential with respect to earth. Alternative connections for the components 10, 11, 12, and 13 are given in the Specification.