baber/WOPTO huggingface dataset:
Patent GB-907177-A (GB)
Title: Stabilized jet combustion fuels
IPC: C10L1/14
Filed: 1960-09-15
Abstract: An additive for jet combustion fuels comprises a mixture containing (1) from 1 to 10% by weight of a deactivator having the formula HO-A-CH = N-R-N = CH-A-OH wherein A represents a benzene ring, the OH radical being attached directly to a ring carbon atom ortho to the CHN group and R represents an aliphatic radical having the two nitrogen atoms attached directly to different carbon atoms of the same open chain of R; and (2) from 99 to 90% by weight of the total of components (1) and (2) of a full neutral aliphatic ester of a 1-olefin maleic anhydride heteropolymer wherein the esterifying alcohol contains from 4 to 20 carbon atoms and the 1-olefin contains on average from 2 to 18 carbon atoms. The deactivator component may be an aldehyde-amine condensation product, for example that produced by reacting 2 mols of salicylaldehyde with one mol of a diamine such as ethylene diamine or propylene diamine.  The heteropolymer which is used to produce the ester component is produced by co-polymerizing equimolar amounts of a 1-olefin and maleic acid anhydride.  This copolymer is then esterified with an aliphatic alcohol of which many examples are given (see Group IV(a)).  The amount of the composition added to the jet combustion fuels may be from 0,001 to 1% by weight.ALSO:Full neutral aliphatic esters of 1-olefin maleic anhydride heteropolymers wherein the esterifying alcohol contains from 4 to 20 carbon atoms and the olefins contain on average from 2 to 18 carbon atoms are used as liquid fuel additives.  The heteropolymer is produced by copolymerizing equimolar amounts of 1-olefin and maleic acid anhydride.  The reactants may be heated together in the presence of a suitable solvent such as benzene, toluene, xylene, dioxone or carbon tetrachloride or in bulk at temperatures between 100 DEG  and 175 DEG C.  A peroxide catalyst such as benzoyl peroxide may be added.  The copolymer is then esterified with an aliphatic alcohol preferably a branched chain alkyl alcohol. Suitable alcohols include butanol, 2-methyl propanol, 2,2-dimethyl-propanol, amyl alcohol, isoamyl alcohol, hexanol, 3-methyl-pentanol, 2-ethylhexanol, isodecanol, decanol, dodecanol, iso-tridecanol, hexadecanol, hexadecenol, octadecanol, octadecenol and eicosanol.  The esterification reaction may take place at from 100 DEG  to 200 DEG C. in the presence of a catalyst such as p-toluene sulfonic acid monohydrate or sulfuric acid.  Other methods of esterification such as azeotropic distillation, removal of water or the use of applied vacuum may be used.  The olefin used to form the heteropolymer may be a mixture and examples are given of mixtures containing hexene, decene, dodecene, tetradecene, hexadecene and octadecene, mixtures containing decene, dodecene, tetradecene, hexadecene and octadecene and mixtures containing dodecene, tetradecene, hexadecene, octadecene and eicosene in varying proportions.
Patent GB-666307-A (GB)
Title: An improved deodorizer
IPC: A61L9/12
Filed: 1948-12-09
Abstract: 666,307. Containers for disinfectants. MACKEWN, A. R., and NEW HYGIENE, Ltd. Jan. 9, 1950 [Dec. 9, 1948], No. 31890/48. Class 81 (i). A container for a volatile block of deodorizing and/or disinfecting material is provided at one wall with a spring-like member f acting towards its opposite wall, the container having at a side between these walls a mouth which is open except for a flange e projecting from the opposite wall and directed towards the first mentioned wall to leave a gap which is just sufficient to give passage to the block, the forcing of the block under the flange by means of the spring preventing the removal of the block. The container may be made of perforated metal, and may be secured to a wall by screw holes in the back wall accessible through corresponding perforations in the front wall before the block is inserted. Preferably, the rear face of the block has a recess into which the spring f may enter; or alternatively the end of the spring may be formed with teeth which will dig into the block. In another modification a block having a hole passing centrally therethrough is retained by a knuckle-jointed spring-influenced pin or by a spring pressed plunger.
Patent GB-965967-A (GB)
Title: Antimicrobial solutions
Filed: 1961-09-06
Abstract: An antimicrobial solution comprises a solution of an alkali metal salt of 3,41,5-tribromosalicylanilide in a mixture of water and an alkanol or hydroxyalkyl amine in which the alkyl groups contain 1 to 3 carbon atoms.  Specified alcohols and amines are methyl, ethyl, propyl and isopropyl alcohol and triethanolamine.  Specified 3,41,5-tribromosalicylanilide salts are the sodium and potassium salts.  The solution preferably has a pH of 12-13.
Patent GB-1086126-A (GB)
Title: Aerial apparatus for supporting a load
IPC: B64C31/036
Filed: 1965-07-27
Abstract: 1,086,126. Flexible wing aircraft; parachutes; kites. D. C. JALBERT. July 27, 1965 [Oct. 1, 1964], No. 32091/65. Headings B7G and B7W. A flexible wing aircraft comprises upper and lower panels 5, 6 connected by flexible (e.g. textile) ribs 10 and stitched together at their edges, the wing having front and rear openings, the former being larger than the latter so that the relative wind keeps it inflated. The lower panel is plane and the upper panel cambered, the angle of the front opening 11, which is the inlet, depending on the amount by which the upper panel extends beyond the lower panel. Shroud lines are attached to wedges of textile material or battens attached to the lower panel along the connections with the ribs. The apparatus may be used to recover payloads from space, or to support an aerial above a ship.
Patent GB-913324-A (GB)
Title: Improvements in or relating to directional resonance isolators
IPC: H01P1/365
Filed: 1961-09-07
Abstract: 913,324. Waveguides. PHILIPS ELECTRICAL INDUSTRIES Ltd. Sept. 7, 1961 [Sept. 10, 1960], No. 32153/61. Class 40 (8). A resonance isolator comprises a length of waveguide of rectangular cross-section G, Fig. 2, and a pair of equal length strips S 1 , S 2  of high-frequency magnetic material, for example ferrite, extending in the longitudinal direction of the waveguide and arranged opposite each other one against the inner face of each wide wall of the waveguide, wherein the length of each strip is substantially equal to an odd number of half-wavelengths, at the centre frequency of the isolator of the waves in the waveguide and wherein, to increase the bandwidth, the strips are displaced relative to one another in the longitudinal direction of the waveguide by a distance equal to half their length. In another embodiment, a further pair of strips S 3 , S 4  (Fig. 3), are provided, with strips S 1 , S 4  displaced relative to strips S 2 , S 3 , by a distance equal to half their length.
Patent GB-1080530-A (GB)
Title: Novel 5h-pyrimido-[4,5-b] [1,4]-diazepines and the preparation thereof
Inventor: ROHNERT HELMUT
IPC: C07D487/04
Filed: 1966-07-18
Abstract: Novel 5H-pyrimido-[4,5-6][1,4]-diazepins of the general formula <FORM:1080530/C2/1> wherein R1 and R2, which may be the same or different, are hydrogen atoms or straight or branched chain alkyl radicals; R3 is a straight or branched chain alkyl radical or an aryl or aralkyl radical; R4 is a hydrogen atom or a straight or branched chain alkyl radical or an aryl or aralkyl radical and R5 and R6 are both hydrogen atoms or together represent a further bond; and the salts thereof with organic or inorganic bases, are obtained when 4-amino-5-[1 - carbalkoxymethylene - alkyl - (or aralkyl)-amino] uracils of the general formula <FORM:1080530/C2/2> wherein R is a lower alkyl radical, are either (a) condensed in the presence of an alkaline condensation catalyst, followed by hydrogenation in the 6,7-positions if R5 and R6 in Formula (I) are hydrogen atoms, or (b) hydrogenated first when R5 and R6 are hydrogen atoms, followed by condensation; followed in both cases by optional conversion to the free form or salt thereof, depending on which form was originally obtained.  The new 5H-pyrimido - [4,5-6][1,4]-diazepins of the invention have sedative, tranquillizing and anti-convulsive pharmacological activities.  4 - Amino - 5 - [1 - carbalkoxymethylene-alkyl-(or aralkyl) amino]-uracils of the second formula above may be prepared by heating the corresponding 4,5-diamino-uracil with appropriately substituted b -oxo-carboxylic acid esters.
Patent GB-166482-A (GB)
Title: Automatic system acetylene generator
IPC: C10H5/00
Filed: 1921-01-10
Abstract: 166,482. Emson, A. Jan. 10, 1921. Regulating head of liquid directly.-In an acetylene generator of the diving-bell type, the generating bell C is provided in the lower part with a chamber C<1> for regulating the supply of water and comprising upper and lower closing diaphragms P, P<1>, the former carrying an upstanding cone 0 with a small aperture I at its apex for the passage of water, and the lower diaphragm having a number of perforations. The bell is held in the water tank A in such a position that the lower diaphragm is but a short distance from the bottom of the tank, and the bell is secured in position by a spring E bent as shown in Fig. 2, hinged at the closed end, while the inwardly-turned open ends are sprung apart to enter a loop H carried by the tank; and a similar spring is used for securing the carbide container C in the generating bell proper B. The purifier D is carried in the upper part of the bell, and indicators L, K show the correct levels for water and carbide when charging.
Patent GB-1508549-A (GB)
Title: Device for advancing tickets or cards individually from a stack thereof to a delivery position
IPC: G07B7/00
Filed: 1976-08-03
Abstract: On the conveyor belt (9) arranged at the bottom of the two-part container (2) punched cards (24) to be issued from the device (1) are transported. A frame part (8) is used for placing the cards and the conveyor belt (9) is movably supported on the frame part. One end (28) of the frame part can be aligned with an output opening (22) in the container. The cards are moved forward following one another when the card which is bottom-most in a card stacker (24) supported on the conveyor belt and in each case projecting past the output opening is pulled away so that no separate drive device operated, for example, by an electric motor is needed. <IMAGE>
Patent GB-848821-A (GB)
Title: Apparatus for dyeing slivers
IPC: D06B5/14
Filed: 1957-10-16
Abstract: Apparatus for dyeing slivers 1 comprising a central perforated tube 2, a perforated container 3 open at one end, the tube and container defining between them an annular space for the reception of slivers, and a cover 8 adapted to compress the slivers within the container is characterized by the provision of a loading device which acts upon the cover in such a manner that the cover moves in response to any change in volume of the slivers during the actual dyeing operation. The loading device may comprise either a cylinder secured to the upper side of the cover, a piston within the cylinder being acted upon by a pressure medium or a helical compression spring. Preferably the loading device is able to impart an adjustable <PICT:0848821/IV (c)/1> pressure on cover 8.  As shown in Fig. 1 pressure medium entering cylinder 10 by feed pipe 16 will move cylinder 10 and pressure member 9 downwardly since piston is stationary.
Patent GB-816965-A (GB)
Title: Improvements in or relating to electrically resistive or conductive filaments
Inventor: MANSON ALASTAIR GEORGE GUNN
IPC: H01C3/00
Filed: 1956-10-24
Abstract: 816,965. Conductors; electric resistances. PLESSEY CO. Ltd. Oct. 9, 1957 [Oct. 24, 1956], No. 32383/56. Classes 36 and 37. A non-metallic resistive or conductive flexible filament consists of an extruded composition of carbon and a thermoplastic moulding material. A filler such as silica may also be used and the filament may be covered by an extruded sleeve of thermoplastic material.
Patent GB-881818-A (GB)
Title: Process for concentrating ores
IPC: B03D1/004
Filed: 1959-09-23
Abstract: In the froth flotation of sulphide ores are used collectors consisting of one or more polysiloxanes emulsified with a surface-active nitrogen-containing organic compound.  The polysiloxane preferably contains 3-10 siloxane units in a linear unbranched chain, and the emulsifier may be a quaternary alkyl ammonium salt such as dodecyl-(dimethyl)-benzyl-ammonium chloride, or the sodium salt of stearoyl-hydroxyethylamide sulphate.  In the flotation of lead-zinc ores, galena may be initially floated out from an alkaline pulp, and then sphalerite may be floated out after acidification of the pulp and addition of copper sulphate. The addition of zinc sulphate to the pulp before the operation affords a better depression of sphalerite during the galena flotation.  The example discloses the use of CH3Si[OSi(CH3)3]2 (CH2)17.CH3 as the polysiloxane and terpene alcohol as the frother.
Patent GB-1153377-A (GB)
Title: Bit Comparator.
IPC: H03K19/084
Filed: 1967-07-14
Abstract: 1,153,377. Comparators. INTERNATIONAL STANDARD ELECTRIC CORP. 14 July, 1967 [15 July, 1966], No. 32463/67. Heading G4M. [Also in Division H3] If two compared bits are equivalent, a negative voltage and zero volts are applied to the inputs and the junction of resistors R remains at zero volts, whereas if two compared bits are different, the voltages of the two inputs are the same and an output is obtained on C or D. An output indicating equality of inequality of the two multi-bit members A and B is obtained from inverter F.
Patent GB-300645-A (GB)
IPC: D03D45/34
Filed: 1928-11-07
Abstract: 300,645. Walter, C. Nov. 17, 1927, [Convention date]. Shuttle-changing mechanism. - Automatic shuttle changing and incidental temporary stoppage of the normal operations of the loom as described in Specification 213,274 is initiated, in the present instance by weft breakage &c., the weft fork lever 2 being for this purpose connected by a screw 3 to the feeler lever 1 which controls shuttle changing &c. When the weft breaks, the weft hammer engages the weft fork 4 and operates the lever 2 and the lever 1, which pushes out the starting lever 9 to cause loom stoppage and operation of the engaging lever of the cam shaft of the shuttle-changing mechanism. The weft hammer 5, 8 is operated by an eccentrically-mounted roller 7 or a cam so formed that the weft hammer quickly returns to normal position after having made its forward movement, a spring 10 quickly returning the parts to normal position before the loom has stopped, so that a free path is left for the starting lever when the loom re-starts.
Patent GB-372275-A (GB)
Title: Manufacture of stable diazo preparations
Filed: 1930-10-30
Abstract: Stable diazo preparations are made by treating a diazotized solution of a non-sulphonated aromatic amine (which may itself contain azo substituents) with a diphenyl sulphonic acid or a suitable salt thereof.  The process may be modified by diazotizing in the presence of the diphenyl sulphonic acid.  Salts may be incorporated in the preparations.  In examples, (1) diazotized m-nitro-p-toluidine is precipitated with diphenyl-4 : 4<1>-disulphonic acid (sodium salt), (2) diazotized 2 : 5-dichloraniline or 1 : 2-aminonaphtholmethyl ether with diphenyl-4-sulphonic acid, (3) diazotized 5-nitro-o-anisidine with 4-chlordiphenyldisulphonic acid.  Other amines specified are dianisidine, 5-chlor-o-toluidine, 2 - chlor - 2<1> - aminodiphenylether, aminoazobenzene and other acids are 2- or 4 - nitrodiphenylsulphonic acids, 2 - chlordiphenyldisulphonic acid, chlornitrodiphenylsulphonic acids, 2- or 4-chlordiphenyl-4<1>-sulphonic acid.  The preparations may be used in dyeing and printing on the fibre, e.g. with the anilide of 2 : 3-oxynaphthoic acid.
Patent GB-1354780-A (GB)
Title: Memory store arrangements
IPC: G05D3/14
Filed: 1971-07-13
Abstract: 1354780 Programmed position control SIEMENS AG 13 July 1971 [14 July 1970] 32688/71 Addition to 1260888 Heading G3N In a memory storage arrangement wherein a stack of plates 10, acting as a data carrier is traversed by write-in and read-out heads 12 mounted on common slide 14, as disclosed in Parent Specification No. 1260888, the slide is moved by an electric actuator 26 comprising a permanent magnet system and a piston within it, carrying a lap winding, with out and return conductors in distinct air gaps, to which current is supplied through fixed brushes, in place of the hydraulic actuator of the Parent. Positional control of heads 12. Slide 14 carries serpentine conductor 76, having position-dependent coupling with a similar conductor 72 supplied by A.C. source 74, and supplying to amplifier 78 an A. C. signal whose envelope is a sinusoidal function of position, and whose zeroes correspond to the track positions on the data carrier. A control device 90 supplies to track difference register 50 a numerical address of the desired position of  heads 12, and signals V, R indicating desired direction of head motion.  Coarse position control. The output of amplifier 78 is fed to zero detector 82 which provides a pulse to count register 50 towards zero each time a zero of the envelope occurs, and an operational amplifier 17, via d/a converter 54, and decoding circuit 52, providing a constant output to 54 unless the count in 50 is less than a predetermined amount to limit maximum slide speed, receives an input otherwise proportional to the count in 50, and an actual speed signal from speed indicator 20 and, via operational amplifier 18, and powder amplifier 19 excites the actuator 26 such that the actual speed of slide 14 is proprotional to the count in 50, and hence decreases stepwise towards zero, Fig. 2 (not shown). Fine position control. Should the count in 50, as detected by zero detector 15 be non-zero, operational amplifier 16 receives a maximum  signal corresponding to a creeping speed of head 14. Upon attainment of zero in register 50, amplifier 16 is controlled in dependence on the output of amplifier 78 and hence the envelope of the A.C. signal, causing the slide to move continuously until a zero of the signal is reached, phase sensitive rectifier 80 receiving a reference signal from source 74. The polarity of the rectifier output may be reversed.
Patent GB-1026425-A (GB)
Title: A method for the purification of polyhydric alcohols such as trimethylolpropane and similar higher alcohols
IPC: C07C31/13
Filed: 1963-08-19
Abstract: In a process for the purification of a polyhydric alcohol containing at least three methylol groups per molecule by fractional distillation under reduced pressure, the crude alcohol is purified, e.g. by treatment with an ion-exchange material, before it is submitted to distillation.  The process is particularly suitable for the purification of 1,1,1-trimethylol-propane obtained by reacting formaldehyde with butyraldehyde in the presence of alkali. The reaction product is evaporated to a high degree, and alkali formate crystals are then separated from the alcohol by centrifuging. After treatment with ion-exchange material, the alcohol is sumitted to batch distillation at a temperature of not more than 180-190 DEG  C. using a column maintained at a pressure of 5 mm. Hg or less.  Two prefractions are distilled over, and then the main alcohol fraction is collected while the refractive index of the distillate is between 1.467 and 1.469.  The prefractions and afterfraction may be returned to the still with a following charge.  The residue in the still is preferably removed after each third batch.  The process may also be used for the purification of 1,1,1-trimethlol-ethane, 2,2,6,6-tetramethylolcyclohexanol and 4 - hydroxy - 3,3,5,5 - tetramethylol - tetrahydropyran.ALSO:In a process for the purification of a polyhydric alcohol containing at least three methylol groups per molecule by fractional distillation under reduced pressure, the crude alcohol is pre-purified, e.g. by treatment with an ion-exchange material, before it is submitted to distillation. The process is particularly suitable for the purification of 1, 1, 1-trimethylolpropane obtained by reacting formaldehyde with butyraldehyde in the presence of alkali.  The reaction product is evaporated to a high degree, and alkali formate crystals are then separated from the alcohol by centrifuging.  After treatment with ion-exchange material, the alcohol is submitted to batch distillation at a temperature of not more than 180 DEG -190 DEG C. using a column maintained at a pressure of 5 mm. Hg. or less.  Two prefractions are distilled over, and then the main alcohol fraction is collected while the refractive index of the distillate is between 1.467 and 1.469. The prefractions and after-fraction may be returned to the still with a following charge.  The residue in the still is preferably removed after each third batch. The process may also be used for the purification of 1, 1, 1-trimethylolethane, 2, 2, 6, 6-tetramethylolcyclohexanol, and 4-hydroxy-3, 3, 5, 5-tetramethylol-tetrahydropyran.
Patent GB-1044163-A (GB)
Title: Process for the production of 2,6-dimethyl-naphthalene
IPC: C07C5/27
Filed: 1963-08-20
Abstract: Naphthalene and 2,6-dimethylnaphthalene (DMN) are obtained from a hydrodesulphurized gas oil boiling in the range 400-900 DEG  F. by (1) separating a fraction boiling in the range 500-510 DEG  F.; (2) crystallizing this fraction to recover a mixture of 2,6- and 2,7-DMN; (3) dealkylating at above 1000 DEG  F. the filtrate from step (2) together with other fractions from step (1) and recycle material from the dealkylation to obtain naphthalene; (4) recrystallizing the mixture from step (2) to recover 2,6-DMN and a concentrate of 2,7-DMN and (5) isomerizing the latter to produce a further mixture of 2,6- and 2,7-DMN recycled to step (2) or (4). The dealkylation product is separated into naphthalene, a 500-520 DEG  F. product passed to step (1) and a 450-500 DEG  F. fraction recycled to the dealkylation.  The mixed 2,6- and 2,7-DMN are crystallized from C3-C7 paraffin, a C1-C5 alcohol or a ketone or mixtures thereof at 0 to - 60 DEG  C., the crystals partially melted by warming to 5-50 DEG  C. and the crystals recrystallized from a solvent at -30 DEG  to -60 DEG  C. and the crystals warmed to room temperature.
Patent GB-329174-A (GB)
Abstract: 329,174. Brackett, F. W., and McLay, J. A. Jan. 19, 1929. Sluice gates.-A byepass gate used in straining - apparatus comprises two portions 12, 13, connected together by two pairs of links 14, each pair being fixed to the plate 12 by a bolt 16 and connected at the lower end by a bolt 17 passing through a slot 18 in the plate 13. With this arrangement, on operation of a winch the plate 12 is raised by a sling 20 and liquid flows through between the plates. Further lifting allows liquid to pass below the plate 13. The plates slide in grooves in the frame, and, to reduce the bearing area subject to pressure, rows of cup-headed rivets 21 are provided on each edge of the plates.
Patent GB-862377-A (GB)
Title: Improvements relating to communication systems
Inventor: PIM JOHN ALBERT
IPC: H03G7/06
Filed: 1958-10-15
Abstract: 862,377. Automatic volume control. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Oct. 13, 1959 [Oct. 15, 1958], No. 32939/58. Class 40 (4). A symmetrical transistor is used as the variable impedance element of a compressor or expander. As shown in the compressor of Fig. 1 the symmetrical transistor 5 is placed in shunt across the line and is controlled by the output signal rectified and applied between the base and a tap on transformer 1, the tap being chosen to balance currents in the transistor. As shown in the expander of Fig. 2, the symmetrical transistor 18 is connected in series with the line and is controlled by the rectified input.