baber/WOPTO huggingface dataset:
Patent GB-1063219-A (GB)
Title: Simultaneous dyeing and finishing of leather and the dyed leather thus obtained
Inventor: WUERTELE LOTHAR
IPC: D06P3/32
Filed: 1965-10-15
Abstract: Leather is simultaneously dyed and finished by treatment with an aqueous solution or dispersion comprising (I) a polymer having reactive groups X, (II) one or more dyes having reactive groups Y and, optionally (III) a cross-linking component having at least two reactive groups Z per molecule and allowing the components to react at 20 - 120 DEG C in the presence of an acid or alkaline catalyst, where the number of groups Y is less than the number of X and the amount Y + Z being approximately equal to X, the groups X being possibly alkylated N-methylolamide groups and Y and Z being the same or amino or amido groups or vice versa as complementary pairs. Suitable catalysts are ammonium nitrate or ammonium chloride while numbers of suitable compounds (I), (II) and (III) are specified.  The components may be applied together or in sequence by brushing, dipping, spreading, spraying or drumming and the subsequent heating may be carried out in drying chambers or hot grain embossing rolls. Examples are given.
Patent GB-1418085-A (GB)
Title: Circuit arrangement for generating prefix signals in telecommuni cation and particularly telephone systems
IPC: H04M1/53
Filed: 1973-09-20
Abstract: 1418085 Automatic exchange systems INTERNATIONAL STANDARD ELECTRIC CORP 20 Sept 1973 [27 Sept 1972] 44088/73 Heading H4K An exchange system includes a substation having an auxiliary switch which, when manually actuated after a connection has been made, produces in the subscriber line a loopinterruption whose duration is independent of the duration of actuation and which when received at the exchange causes a dial-signal receiver to be connected to the subscriber line. The subscriber may then make a call to a third party while the line to the original called party is held. A tone may be sent to the subscriber when the dial-signal receiver has been connected. Actuation of the switch may also generate a distinguishing signal immediately prior to the loop interruption, so that the exchange can distinguish between the latter and an interruption of the same duration caused by depression of the hook-switch.
Patent GB-1510417-A (GB)
Title: Cephalosporin derivatives
IPC: C07D333/24
Filed: 1976-10-25
Abstract: 1510417 Cephalosporins YEDA RESEARCH & DEVELOPMENT CO Ltd 25 Oct 1976 [24 Oct 1975] 44199/76 Heading C2C The invention comprises novel compounds (I) wherein each of R 1  and R 2  is hydrogen or nalkyl of from 1 to 4 carbon atoms or NR 1 R 2  is pyrrolidinyl, piperidinyl or morpholinyl, R is oxygen or sulfur; either Aryl is a benzene ring, Y is hydrogen, chlorine, bromine or alkyl or nalkoxy of from 1 to 4 carbon atoms, Z is a bond, oxygen, sulfur or imino, or Aryl is a thiophen ring attached to Z at its 2-position, Y is hydrogen and Z is a bond; W is hydrogen, methyl, amino, hydroxy, SO 3 H or COOR 3  wherein R 3  is hydrogen or 5-indanyl; n is zero, 1 or 2 with the proviso that n is not zero when W is not hydrogen or methyl, and Z is not a bond; R 4  is hydrogen or methoxy; M is hydrogen, a pharmaceutically acceptable non-toxic cation; wherein R 5  is alkyl of from 1 to 4 carbon atoms; wherein R 6  is alkyl or alkoxy of from 1 to 4 carbon atoms and R 7  is hydrogen or n-alkyl of from 1 to 4 carbon atoms; wherein R 8  is alkyl of from 1 to 4 carbon atoms or wherein m is 0 to 5, each of R 9  and R 10  is hydrogen or n-alkyl of from 1 to 4 carbon atoms, and each of R 11  and R 12  is hydrogen or alkyl of from 1 to 4 carbon atoms; X is hydrogen, acetoxy, 1,3,4 - thiadiazol - 5 - ylthio, 3, methyl - 1,2,4 - thiadiazol - 5 - ylthio, tetrazol- 5 - ylthio, 1 - methyltetrazol - 5 - ylthio, 2- methyl - 1,3,4 - oxadiazol - 5 - ylthio, 2 - methyl- 1,3,4 - thiadiazol - 5 - ylthio or 1,2,3 - triazol - 5- ylthio; or a pharmaceutically acceptable salt thereof. They are made by interacting (a) (II) and R 1 R 2 NC(:R)SH, (b) (III) and compounds (IV) and (c) compounds (I), where X is acetoxy, with an appropriate heterocyclic thiol(W<SP>2</SP> is H, Me, NH 2 , OH, SO 3 H or CO 2 H). Antibacterial compositions contain (I) as active ingredient. Administration is orally or parenterally.
Patent GB-1096323-A (GB)
Title: Improvements in or relating to pressure reducing valves
Inventor: GLEDHILL ERIC GUY BRIAN
IPC: F16K7/07
Filed: 1965-10-19
Abstract: 1,096,323. Valves. F. W. TALBOT & CO. Ltd. Oct. 14, 1966 [Oct. 19, 1965], No. 44206/65. Heading F2V. A pressure-reducing valve comprises a downstream outer casing 1, an upstream outer casing 2, inner and outer diaphragms 7, 8 mounted on a cylindrical sleeve 6 containing circular inlet ports 11 and outlet ports 12, part spherical shoes 14 movably mounted within sealing rings 9 between the diaphragms and a number of spheres 17 housed within a recess 16 in the inner surface of each shoe, the arrangement being such that the downstream pressure on the outer surface of the outer diaphragm is transmitted through the shoes and the spheres to be concentrated on the outer surface of the inner diaphragm over the inlet ports. The sealing ring 9 may be of rubber moulded in one with or bonded to the inner diaphragm, the outer diaphragm being held in place by circlips 15. Separate valve seats of stainless steel or nylon may be screw-threaded into the sleeve.
Patent GB-1394465-A (GB)
Title: Device for setting the position of a mobile processing station relative to the tracks of sheetlike record carriers
Inventor: WEIDANZ H
IPC: G06K7/08
Filed: 1972-09-27
Abstract: 1394465 Recording and playback; head mounting arrangements DATAGRAPH AG 27 Sept 1972 [16 Oct 1971] 44595/72 Heading G5R A device for moving a head 128 to a selected track on a sheet-form record (not shown), includes scissors-action sheets 134 which can be closed from the position shown, against a spring, by the rotation of cams 143, 144 engaging rollers 141, 142 at one end of the shears 134, the closing of the other end of the shears 134 causing the convergence of carriages 152, 153 mounted on guide rods 126, 127, the head 128 being secured to one carriage 153; the motion ceasing when projections 156, 157 on the carriages 152, 153 engage one of a plurality of track-selection slides 132 which has been moved to project into the paths of the projections 156, 157 (chain-dotted lines), the pivot point 140 of the shears 134 being itself pivotable about 135 to permit carriages 152, 153 to move independently to an asymmetric position. Since it is possible that two slides 132 protrude in error and the carriages 152, 153 cannot then converge completely, each shear half 137, 138 may, as shown, be in two parts 158, 159 connected by a spring 163 and both pivoted at 14. A lever 161 is pivoted at 196 on the carriageengaging part 158 and is biased against a bolt 207 on the cam-engaging part 159 by the spring 163. The two parts 158, 159 can thus be moved relatively, against the action of the spring 163.
Patent GB-1286111-A (GB)
Title: Method for developing exposed color photographic emulsions
IPC: G03C5/26
Filed: 1969-09-11
Abstract: 1286111 Processing photographic colour films and papers KMS INDUSTRIES Inc 11 Sept 1969 [20 March 1969] 44797/69 Heading G2C Exposed photographic silver halide colour films and papers of the type which contain colour couplers are processed by (i) treating with a colour developing solution having a pH of 10À2-11À8; (ii) without intermediate washing, transferring them to a bleach fix solution of pH 6À8-7À0 containing trisodium phosphate 12À75g., sodium sulphite 5À0g., monosodium ferric ethylene diamine tetracetic acid 23À4g., disodium ethylene diamine tetracetic acid 8À1g., KI1À35g, ammonium thiosulphate 60% 105 cc, and sodium metabisulphite 16g, the films only being treated before bleach-fix treatment in a stopfix bath of pH 4À3-4À6; (iii) washing the films and papers; and (iv) treating them with a dye-image stabilizer solution. A variety of colour developer and stop-fix formulations is given. The dyeimage stabilizer solutions contain formaldehyde and a wetting agent for films and formeldehyde, sodium phosphate and disodium EDTA for papers. The processing solutions may be formulated in kit form, the said kit of solutions being capable of processing either colour film or colour papers. The solutions and concentrates may be coloured with dyes for identification purposes.
Patent GB-997635-A (GB)
Title: Process for hardening proteins
IPC: C08L89/00
Filed: 1961-12-15
Abstract: Proteinaceous material, particularly gelatin, is hardened by adding a trimer or tetramer of phosphonitrile dichloride corresponding to the formula <FORM:0997635/C3/1> Specifications 822,061, 860,631, 860,632, 891,221, 909,378 and 918,950 are referred to.
Patent GB-1454084-A (GB)
Title: Transistor structures and the manufacture thereof
IPC: H01L21/285
Filed: 1973-10-17
Abstract: 1454084 Semi-conductor devices FAIRCHILD CAMERA & INSTRUMENT CORP 17 Oct 1973 [15 Jan 1973] 45032/73 Heading H1K In the manufacture of MOSTs (e.g. of silicon) an initial oxide layer 12, Fig. 1d, formed by surface oxidation is not removed in the gate area during subsequent processing, a thick layer of field insulation 16a, 16b being joined to the initial oxide layer by tapering regions 16c, 16d. The gate oxide is protected by silicon nitride (and further oxide) during processing steps, these including oxidation of the field portions of the semi-conductor body, either through or after the removal of the initial oxide. Ion implantation is used to enhance the conductivity of the field portions and may take place into the exposed surface or through a thin oxide film. Diffusion of source and drain regions may take place into exposed surface or through thin oxide. Silicon gate or conventional photoresist masking may be used; in the latter case the very thin gate oxide may be used as mask. In Fig. lh, the silicon body has N<SP>+</SP> ionimplanted field portions under the thick field oxidation; a silicon gate 17a overlying initial oxide 12a and used as a mask for diffused source and drain 19a, 19b; silicon contact 17d to source 19a, doped during source and drain diffusion; and a phosphorus-doped silicon passivation layer 20. To complete the transistor the passivant 20 is apertured over the drain 19b; an aluminium contact 21 is provided; a further doped silicon passivant layer is applied; and apertures are made to expose source, drain, and gate contact pads. To make a depletion mode transistor, a channel of opposite conductivity type to the substrate is implanted through the initial oxide overlying the active portions. The manufacture ensures that the oxidesemi-conductor interface is clean in the active areas and gives smooth transitions between gate and field insulation which helps maintain conductivity of deposited conductive tracks and resistors.
Patent GB-1332020-A (GB)
Title: Method of grinding electrostatically chargeable material and a vibratory grinding mill therefor
IPC: B02C23/06
Filed: 1971-10-01
Abstract: 1332020 Vibratory rod mills KLOCKNERHUMDOLDT-DEUTZ AG 1 Oct 1971 [10 Oct 1970] 45874/71 Heading B2A A vibratory mill comprises a casing earthed at one or both ends and charged with rods which are slightly shorter, e.g. 20 mm shorter, than the casing. This permits grinding of substances liable to electrostatic charging; e.g. thermoplastics material which has been first embuttled with liquid nitrogen.
Patent GB-974024-A (GB)
Title: Improvements in or relating to rotary offset printing machines
IPC: E04B2/84
Filed: 1962-12-05
Abstract: 974,024. Rotary offset printing machines. W. RITZERFELD, and G. RITZERFELD. Dec. 5, 1962 [Dec. 22, 1961] No. 45900/62. Heading B6C. In an electrically actuated push-button operated sheet-fed lithographic rotary offset printing machine in which selective line printing may be accomplished and which comprises an offset cylinder 20, Fig. 1, swingable between a printing cylinder 1 and an impression cylinder 34, the cylinder 1 mounts a master sheet 3 the image of which is to be reproduced on every printed sheet and a master sheet 4 from which only selected lines are to be printed on any one sheet. Through electrically operated cams 181, 182, 183, Fig. 2, and 184, 185 (not shown) the used portions of the master sheet 4 are withdrawn into the interior of the cylinder 1 through the agency of a pawl 6 which is actuated by all or any of the cams 18 to thereby rotate a ratchet wheel 10 fixedly mounted on the shaft 12 of one of a pair of draw-in rollers 11, 13. Through the interengagement of toothed wheels driven from a single power source the three cylinders are rotated synchronously with an arm 90 which moves over a fixed contact bank 89 and in so doing initiates the various operations of the machine. The bank is electrically connected to a keyboard T1 ... T5, Fig. 5, and TE and electromagnets 103 ... 107 and 28, 31 and 125. Each key T1 ... T5 is in the electrical circuit responsible for the selection for printing of a particular line or group of lines of the master sheet 4 whilst the key TE comprises an over-riding control switch. The magnets 103 . . . 107 actuate appropriate cams 18- one for each key-whilst the magnets 28 and 31 energize the lever linkage eccentric mechanism 23 . . . 27 for swinging the offset cylinder 20 into and out of engagement with respective cylinders 1, 34. The magnet 125 actuates a clutch arrangement 81, 87, Fig. 4, whereby the drive to the offset cylinder through the normal operational toothed wheels is disengaged whilst another toothed wheel train, also deriving from the single power source, engages and drives the offset cylinder forwards relative to the cylinder 1 to such an extent that the previous impression made by the master sheets on the cylinder 20 is placed out of registration with the cylinder 1. When the rubber blanket 21 of the cylinder 20 is completely used it may be cleaned by a washing mechanism 41. The means for advancing the master sheet 4 and for altering the phase of the cylinder 20 may be disabled to allow a plurality of copies to be made from the same master part. In a further machine the clutch 81, 87 is replaced by an electromagnetically operated pawl-and-ratchet mechanism. Instead of two master sheets one may be used, the parts not desired for printing being guided into the interior of the printing cylinder. In a further form, the offset cylinder is held back relative to the impression cylinder after each cycle.
Patent GB-1473258-A (GB)
Title: Volumetric pump
IPC: F04B5/00
Filed: 1975-11-06
Abstract: 1473258 Reciprocating pumps ALPURAKORECO A G 6 Nov 1975 [22 Nov 1974] 46039/75 Heading F1A A piston 2 is reciprocated in a cylinder 1 having an inlet 3 at one end and ports 4, 5 at opposite ends connected by a passage 6 controlled by a valve 8 which also controls an outlet 7. On the downward stroke, with valve 8 in its upper position, product, eg. liquid or viscous material, beneath piston 2 is discharged through outlet 7, and fresh product is drawn into the cylinder above piston 2 through inlet 3. On the upward stroke, with valve 8 in its lower position, product is transferred from above to beneath the piston via passage 6 and, due to the difference in volume caused by piston rod 9, additional product is drawn through inlet 3.
Patent GB-1291354-A (GB)
Title: Manufacture of maleic anhydride
IPC: C07C51/56
Filed: 1970-09-30
Abstract: 1291354 Maleic anhydride BADISCHE ANILIN- & SODA-FABRIK AG 30 Sept 1970 [1 Oct 1969 26 March 1970] 46416/70 Heading C2C Maleic anhydride (MA) is continuously manufactured by oxidizing a mixture of C 4  hydrocarbons with air in a tubular reactor in the presence of a catalyst containing TiO 2 , V 2 O 5  and P 2 O 5 , wherein the MA formed is washed out of the reaction gases, the thus formed maleic acid is concentrated and then dissociated into MA and water, followed by continuously distilling the MA thus obtained, the process being characterized by (a) using a mixture of C 4  hydrocarbons containing at least 50% by wt. of unbranched olefinically unsaturated C 4  hydrocarbons, adding this mixture to air heated to 100-200‹ C., adding a volatile inorganic or organic phosphorus compound, (b) feeding the gas mixture to a tubular reactor in which the tubes are packed with a catalyst containing 45-95% by wt. TiO 2 , 0À2-20% by wt. V 2 O 5  and 3-53% P 2 O 5 , (c) maintaining a temperature of 420-600‹ C. within the tubes, heat exchange being effected by a salt bath maintained at 360-440‹ C., which salt bath is circulated through the reactor, evenly on all sides thereof, being fed to the reactor at one end through an annular channel and removed therefrom at the other end through a second annular channel, (d) cooling the effluent reaction gases to 160-180‹ C. and feeding them to a washing tower, in which the MA is washed out by a circulated, cooled, aqueous maleic acid solution, the resultant 30-50% by wt. maleic acid solution is concentrated in one or more film evaporators arranged in cascade fashion to a concentration of more than 90% by wt. and the concentrate is dissociated in a further film evaporator to form MA and steam, the removal of the water of reaction being carried out without inert entraining agents by the direct entrainment by MA vapours, and the cooled MA obtained by fractional condensation is continuously distilled in a distilling system. Preferred phosphorus compounds to be added to the feed stream are C 1-4  trialkyl phosphates.
Patent GB-1527868-A (GB)
Title: Alcoholised ethylene-vinyl acetate packaging material
IPC: B65D65/00
Filed: 1975-11-10
Abstract: 1527868 Alcoholysed ethylene/vinyl acetate copolymer NATIONAL DISTILLERS & CHEMICAL CORP 10 Nov 1975 [18 Nov 1974] 46427/75 Heading C3P Alcoholysed ethylene-vinyl acetate copolymers containing 5-26 wt.% residual vinyl acetate and having a melt index of 0À1-100 g./10 min., are prepared from starting copolymers containing 9-45 wt.% vinyl acetate and having a melt index of 0À1-70 g./10 min. In Examples, alcoholysis is effected by NaOH in methanol/benzene. Use: packaging film for meat and other foods.
Patent GB-1334784-A (GB)
Title: Apparatus for equalizing binary bipolar signals
IPC: H03K5/14
Filed: 1971-10-07
Abstract: 1334784 Digital transmission; distortion correction INTERNATIONAL BUSINESS MACHINES CORP 7 Oct 1971 [22 Oct 1970] 46603/71 Heading H4P An arrangement to reduce distortion due to overlapping of bipolar signals comprises means for generating time spaced samples yi from a distorted input signal and a corresponding central value yo, means for providing reference values corresponding to at least some of the samples generated in response to a single input signal, means for non-linear evaluation and combination of samples and reference values by generating sums and by selecting maxima of these sums to provide a correction signal K, and means to combine yo and K to provide an output signal. The evaluated samples are used collectively for correction. In the embodiment described the evaluation interval is 4 bit periods (M = 2) with an assumed overlap of 2 bit periods (L=1). A matched filter 111 supplies a tapped delay line 113, the centre tap yo being connected to a x 2 amplifier and the remainder of the taps to inverters. Reference signal samples at successive sample times may be derived from a storage or computing unit or from inverters 123, 125 and passed through storage unit 129 and inverters 131 or 133. The inverter outputs are passed to identical decision elements DE, odd numbers 141-155, by conductors (not shown) connecting corresponding terminals, outputs from 149-155 and 2yo being received in a summing unit 157, the output z(t) from which is sampled at bit rate. The decision elements 141 &c. provide a non- linear weighting of tap signals and allows for mutual dependences and is considered non- linear as the decision processes select the maximum of a plurality of available terms for further processing. Each decision element, Fig. 5B, comprises a plurality of summing resistors R feeding an amplifier 41, 42 each acting as an inverting halfwave rectifier and having diode and resistive feedback paths. The output, which must be inverted, represents the inverse of the larger of the sums of each group of resistors R. Fig. 7 (not shown) discloses an arrangement where M = 3 and L = 2 providing discrimination over a greater number of bit periods. One group of decision elements, i.e. four, may be omitted but two must be provided at the input to the summing unit (251). Instead of the cascaded arrangement shown only one group of decision elements could be provided which are used successively so that evaluations would be effected sequentially and not simultaneously but the saving in decision elements would have to set against a sequential control arrangement with intermediate storage. As the decision elements are identical and of relatively simple design they are stated to be suited for I.C. construction. The arrangements disclosed are stated to be particularly suited to satellite and space communications due to the higher probability of error-free messages.
Patent GB-1152088-A (GB)
Title: Bolt Assembly
IPC: E05F11/00
Filed: 1966-10-19
Abstract: 1,152,088. Bolt fastenings. P. H. PLASTICS Inc. 19 Oct., 1966 [22 Oct., 1965], No. 46696/66. Heading E2A. A bolt assembly for fastening a window pane 11 slidable in a fixed frame, comprising a rail 14 including a flange 15 adapted to extend perpendicularly from the rail, the rail being adapted to be secured to the pane; and a slidable bolt member engaging over the flange for longitudinal sliding motion thereon and capable of co-operating with a portion of the fixed frame, spring means 23 engaging the slidable bolt member to urge said member toward the said portion of the fixed frame, the slidable bolt member having an extended portion adapted to engage into a hole in the fixed frame to fasten the window pane. In the construction shown the flange is provided with a bead 19 and the bolt member has a longitudinal slot 26 which communicates with a cylindrical bore 24, the dimensions of which are such that the bolt member can be snapped over the bead 19 so that the bead will lie within the cylindrical bore 24; the depth of the slot is such that a flat surface 27 of the bolt member lies against the portion of the rail 14 parallel to the surface of the glass pane. The spring means 23 is positioned in the bore 24 in a cut-out in the bead 19 so that one end bears against the bead and the other end bears against a stop member 25 positioned in the cylindrical bore so that the bolt member is biassed towards the fastening position. Two forms of window are described both of them have two panes each provided with a bolt member as described; in the form shown in Fig. 1 the panes are slidable in horizontal tracks and the rail 14 extends vertically and in the other form (not shown) the panes are slidable in vertical tracks and the rail 14 is at the bottom of each pane and extends horizontally; in this form the fixed portion of the window is provided with a plurality of holes 18 so that the panes can be fastened in the closed position and in partly or wholly opened positions.
Patent GB-1545077-A (GB)
Title: Process for purifying water using bis-isothiouronium salts
IPC: C02F1/52
Filed: 1976-11-10
Abstract: For the preparation of bis-isothiuronium salts of the formula (I): <IMAGE>  in which   R and R' are hydrogen atoms or lower alkyl or R is a phenyl or cyclohexyl group and R' is a hydrogen atom, A and X<(-)> are as defined in claim 1, a compound of the general formula (II> X-A-X (II)  is reacted with a thiourea derivative of the general formula (III):  R-NH-CS-NH-R' (III> in which R and R' are as defined above. The bis-isothiuronium salts are used for the purification of effluent containing organic compounds of anionic character.