baber/WOPTO huggingface dataset:
Patent GB-1035450-A (GB)
Title: Iminodibenzyl derivatives and a process for the manufacture of same
Inventor: COHEN AARON
IPC: C07D487/14
Filed: 1964-06-02
Abstract: The invention comprises the compound of the formula <FORM:1035450/C2/1> wherein R represents the methyl group, and acid addition salts thereof.  The compounds are prepared by (a) reacting N-amino-iminodibenzyl or an acid addition salt thereof in an inert solvent with 1-methyl-4-oxo-piperidine, cyclizing the hydrazone formed by treatment with an acidic cyclizing agent and, if desired, converting the resulting acid addition salt into the free base or a different acid addition salt, or (b) condensing an N-alkylideneamino-iminodibenzyl in which the alkylidene group is a straight chain C1- 4 alkylidene group with 1-methyl-4-oxo-piperidine in the presence of more than 1 mol. of an acid and, if desired, converting the resulting acid addition salt into the free base or a different acid addition salt.  Pharmaceutical compositions for enteral or parenteral administration comprise a compound of the invention together with a compatible pharmaceutical carrier.  The compositions, which have antiserotonin and antihistamine activity, may be in the form of tablets, pills, capsules, granules, powders, emulsions, solutions and suspensions.
Patent GB-487913-A (GB)
Title: Improvements in or relating to thermionic valve circuits
IPC: H03D3/22
Filed: 1937-06-10
Abstract: 487,913. Wireless systems ; valve circuits. EGYESULT IZZOLAMPA ES VILLAMOSSAGI R. T. June 10, 1937, No. 16114. Convention date, June 10, 1936. [Class 40 (v)] A circuit for converting frequency modulation into amplitude modulation or changes in the natural frequency of a tuned circuit into current variations comprises a valve of the multigrid " mixer " type a tuned circuit being connected or coupled to one grid and a source of oscillatory voltage being connected to another grid. In one embodiment, Fig. 3, used for frequency demodulation, the grid 1 of an octode O is connected at H, N to a source of frequency modulated oscillations and a tunable circuit 6, 7, 8 is connected to the grid 4, corresponding amplitude modulated potentials appearing across the anode impedance 9, which may be frequency-dependent. The efficiency of the conversion and the frequency characteristic may be modified by variation of the damping resistance 8. In another embodiment, Fig. 2, for producing speech currents from a condenser microphone, oscillations of constant frequency are generated in the valve O, the tuned circuit 14, 15 connected to the grid 1 being coupled to a coil 13 in the circuit of grid 2, and the condenser microphone 7 forms the capacity of the tuned circuit 6, 7, 8 connected to grid 4. The speech current output is derived from the anode impedance 9. In a modification, Fig. 4 (not shown), the microphone and condenser 15 are interchanged. In a further modification, Fig. 5 (not shown), an external source of oscillations is used. The Specification as open to inspection under Sect. 91 comprises also a method of neutralizing interference in a frequency demodulator, as shown in Fig. 3, by varying the capacity of condenser 7 in accordance with the interfering signal. It is also stated that the invention can be applied to the automatic correction of the frequency of the oscillatory circuits of transmitters and receivers, to the measurement of inductance capacity and frequency, and to gramophone pick-ups, counting apparatus, alarm signalling &c. This subject-matter does not appear in the Specification as accepted.
Patent GB-811256-A (GB)
Title: Lighting control circuits
Inventor: IZENOUR GEORGE CHARLES
IPC: H05B37/02
Filed: 1957-05-21
Abstract: 811,256. Control systems for incandescent lamps. CENTURY LIGHTING Inc. May 21, 1957, No. 16134/57. Class 38 (4). A control system for a stage lighting arrangement comprises a network 10 providing a voltage corresponding to the intensity of the illumination required from the stage lighting 14, the voltage being used to control a power unit 12 the output of which is fed to the lighting 14. The power unit comprises a first amplifier stage which includes a transistor 208, the output of which controls two reactors 168, 170 which in turn control the firing points of the thyratrons 172, 174 to control the current passing to the lighting load 14. Thus any variation of the voltage supplied to the transistor 208 will vary the current in and hence the illumination of the lighting load 14. Stabilizing negative feedback is provided by means of a transformer 228 in parallel with the load 14, the feedback circuit including a rectifier bridge 232 and a potentiometer 204. The control potentials for the transistor 208 are provided in the network 10 and are fed to the transistor by way of a changeover switch 48. When the switch 48 is made on to contacts 46, 47 overall control of the lighting arrangement is had by means of a tapping 28 on an inductive potentiometer 24 or alternatively individual control may be had by means of a potentiometer 36,  it being understood that a number of controls 22 corresponding to the number of sections in the system may be incorporated into the lighting arrangement. With the switch 48 made on to contacts 149, 152 the lighting is controlled from the fading control 55 comprising inductive potentiometers 56, 58 having their taps ganged so that movement thereof alters the voltage tapped off in opposite senses, the tapped voltage being fed to the transistor by way of switches 102, 104 potentiometers 124, 126 and a series of rectifiers. Thus the lighting can be dimmed to a preset amount or if the control voltage is fed over a fixed resistor 130 the lighting can be " blacked out ". Lines 50, 52 and 106, 108, 110 are fed to other power units which may be incorporated into the system and the power units may include magnetic amplifiers in the second and succeeding amplifier stages.
Patent GB-1502727-A (GB)
Title: Bicyclic derivatives of 7-acylamido-3-cephem-4-carboxylic acid and process for their preparation
IPC: C07D501/48
Filed: 1976-04-21
Abstract: 1502727 Cephalosporins CARLO ERBA SpA 21 April 1976 [21 April 1975 7 April 1976] 16176/76 Heading C2C The invention comprises novel compounds (I) (including salts thereof) where x is zero, 1 or 2; n is zero or 1; Z is: (1) a cyano group, a carbamoyl group, or a -COOR or -COR group, wherein R is hydrogen or C 1 -C 6  alkyl, (2) a R 1 -SO 2 - group, wherein R 1  is C 1 -C 6  alkyl, amino or salified or unsalified hydroxy, (3) a phenyl group or a pentatomic or hexatomic heteromonocyclic ring containing at least one double bond and at least one heteroatom selected from N, S and O, the phenyl and the heteromonocyclic ring being unsubstituted or substituted by one or more substituents selected from hydroxy, cyano, carboxy, oxo, halogen, C 1 -C 6  alkyl, C 1 -C 6  alkoxy, -SH, C 1 -C 6  aliphatic acyl, -CH 2 CN and wherein each of the R groups, being the same or different, is as defined above; A is a direct linkage or has each of the meanings herebelowgiven for A 1 ; A 1  is a C 1 -C 8  branched or straight chain saturated aliphatic hydrocarbon radical, which may be unsubstituted or substituted by one or more substituents selected from OR<SP>111</SP>, wherein R<SP>111</SP> is hydrogen or formyl; halogen; cyano; amino; -COOR or -COR, wherein R is as defined above; and R 1 -SO 2 -, wherein R 1  is as defined above; B is a heterobicyclic ring, other than triazolopyridyl and purinyl, containing at least two double bonds, wherein each of the condensed heteromonocyclic rings, being the same or different, is a pentatomic or hexatomic heteromonocyclic ring containing at least one heteroatom selected from N, S and O, the heterobicyclic ring being unsubstituted or substituted by one or more substituents selected from: (a) hydroxy, cyano, -SH, C 1 -C 6  alkoxy, halogen, C 1 -C 6  aliphatic acyl, -CH 2 CN, -COOR, or wherein R is as defined above; (b) an amino group unsubstituted or substituted by a C 1 -C 6  aliphatic acyl group; (c) a C 1 -C 6  alkyl group, unsubstituted or substituted by one or more substituents selected from hydroxy and halogen; (d) wherein x 1  is zero, 1 or 2 and each of R<SP>1</SP> and R<SP>11</SP>, being the same or different, is hydrogen or C 1 -C 6  alkyl, or R<SP>1</SP> and R<SP>11</SP>, taken together with the nitrogen atom, form a morpholino, piperidino or pyridyl ring; (e) -S-R 1  or -SO-R 1 , wherein R 1  is as defined above, -S-CH 2 CN, -(S) x2 -CH 2 -COOR, wherein x 2  is zero or 1 and R is as defined above; M is hydrogen or a non-toxic pharmaceutically acceptable cation; provided that, when at the same time B is unsubstituted tetrazolo(4,5-b)pyridazin-6-yl, A is a direct linkage, A 1  is wherein R<SP>111</SP> is as defined above, and n and x are zero, Z is other than phenyl and thienyl. The compounds are made by standard methods. Antibacterial compositions contain (I) as active ingredient. Administration is orally or parenterally.
Patent GB-525598-A (GB)
Title: Improvements in friction ratchet mechanism applicable for tuning radio receivers
IPC: H03J1/18
Filed: 1939-06-01
Abstract: 525,598. Friction ratchet mechanism ; adjusting wireless apparatus. PHILIPS LAMPS, Ltd. June 1, 1939, No. 16204. Convention date, June 4, 1938. [Class 80 (iii)] [Also in Group XXXVI] In a friction ratchet mechanism, applicable for tuning radio receivers, an eccentric 3 on a driving shaft 1 has rotatably mounted on it one or more pawls 4, the ends of which act on a slightly resilient or yielding periphery 5 of a disc 6 on the driven shaft 2, so that delayed transmission ensues. The shaft 1 may be driven by an electric motor used also for the control of other variable elements of the set. In one form, Fig. 1, the pawl 4 is held by a spring 7 against rubber, cork, fabric or other band 5 on the disc 6, and drives the shaft 2 in one direction irrespective of reversal of the shaft 1. In a modification, Fig. 3, a ring 18 in frictional engagement with the eccentric 16 carries one or two driving pawls 19, 20 and reversal of the driving shaft 16 reverses the driven shaft 21.
Patent GB-549190-A (GB)
Title: Absorption refrigerating apparatus
IPC: F25B17/08
Filed: 1941-12-16
Abstract: 549,190. Refrigerating. KLEEN, N. E. AF. Dec. 16, 1941, No. 16231. Convention date, Dec. 17, 1940. [Class 29] Absorption systems.-An ice making evaporator 38, 39 and an air cooling evaporator 43 of a domestic 'cabinet are supplied through separate condenser elements 30, 34 from distinct generatorabsorber vessels 17, 24 of two reversing systems operating in the same phases and having a common heat source and a common cooling source and preferably arranged'concentrically as shown. Two such dual systems alternating in phase may be employed, each ice-making compartment containing a part of each ice-making evaporator as shown so that it is continuously cooled. The generator-absorber vessels of each unit are spaced by an annular chamber 20 of the cooling system, an annular flue 26 of a gas &c. heater 27, and another annular chamber 22 of the cooling system, and solid absorbent or adsorbent is retained on trays having a maximum diameter or radial width of 30-35 mm. and a maximum spacing of 5 mm. as set forth in Specification 530,061. The cooling system is of the closed-cycle condensing- evaporating kind, with pockets 57 in the annular chambers constituting the evaporator portion operating to promote ebullition, as set forth in Specification 541,744. A valve 61 for the cooling medium and a fuel valve 67 are connected on a common lever 58 actuated for reversal by a thermostat 70 on the generator absorber, in a manner similar to that described in Specification 540,042. Specification 537,213 also is referred to.
Patent GB-561531-A (GB)
Title: Improvements in and relating to voltage regulators of the transformer tap-changing type
IPC: H01F29/04
Filed: 1942-11-18
Abstract: 561,531. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 18, 1942, No. 16323. Convention date, Nov. 25, 1941. [Class 38 (ii)] In a voltage regulator of the transformer tap-changing- under-load type, the voltage is changed in equal steps by movement of a tap changer 5 over tappings 1<SP>1</SP>, 2<SP>1</SP>, 3<SP>1</SP> ... 9<SP>1</SP> and simultaneously the same or another tap changer such as 7, which co-operates with a condenser 8 or other reactance, serves to introduce leading or other corrective kva into circuit in substantially equal steps. The kva is proportional to the square of the voltage so that, when the arrangement is as in Fig. 1, the tap changer 7 must move over contacts connected to unequally-spaced tappings 1<SP>11</SP>, 4<SP>11</SP>, 5<SP>11</SP>, 6<SP>11</SP> &c. In this arrangement a series transformer 4 has its secondary in the load circuit 2 and its primary connected to a centre tap 5<SP>1</SP> so that as the tap changer 5 moves downwards the voltage impressed on the primary of 4 varies from a maximum "bucking" voltage through zero to a maximum "boosting" voltage. In modifications, the transformer 3 has an extension winding connected to the condenser and there is only the one set of tappings, the influence of the extension winding being such as to cause substantially equal kva steps when the tap changer is moved over the "equal voltage" taps. Specification 436,447 is referred to.
Patent GB-760314-A (GB)
Title: Process for obtaining oils of high viscosity from residual oils
IPC: C10G21/00
Filed: 1952-06-27
Abstract: Hydrocarbon oils having a viscosity at 50 DEG C. higher than 12 DEG Evgler are obtained by deasphalting residual hydrocarbon oils with 600-1000 per cent by volume of a saturated hydrocarbon containing not more than 4 carbon atoms in its molecule, subjecting the asphalt-free solution of residual thus obtained to evaporation until it contains 150-400 per cent by volume (based on the oil), of the saturated hydrocarbon and subjecting the resulting solution to solvent extraction with phenol or a homologue or substitution product of phenol which has a preferential solvent power for the oil constituents of low viscosity index.  The saturated hydrocarbon may be propane, while substitution products of phenol mentioned are chlorophenol and resorcinol monoacetate.  The selective solvent preferentially dissolves the relatively unsaturated and aromatic hydrocarbons present in the oil.  The raffinate, after dewaxing, is suitable as lubricating oil for aircraft engines or as bright stocks. Apparatus for carrying out the evaporation and solvent extraction steps is described.  In the example, petroleum residual oil is deasphalted at 60 DEG C. with 800 per cent by volume of propane, and propane is evaporated from the asphalt-free oil until 150 or 250 per cent by volume (based on the oil) of propane remains.  The solution which remains is extracted at 45 DEG C. in countercurrent with a mixture of phenol and cresol (75:25) containing 0.3 per cent of water.  The raffinate is dewaxed with dichloromethane at -25 DEG C. For comparison purposes, the effect of evaporating off all or none of the propane in the process of the example is described.
Patent GB-884402-A (GB)
Title: Means for regulating the speed of rotary sewage distributors
Inventor: TOWNSEND GEORGE EDWARD
IPC: C02F3/04
Filed: 1959-05-13
Abstract: 884,402. Rotary distributers. FARRER Ltd., WILLIAM E. June 17, 1960 [May 13, 1959], No. 16379/59. Class 69 (3). Means for regulating the speed of a rotary sewage distributer of the reaction-jet type having a plurality of arms comprises a pump a mounted on a bracket b at the end of one of the distributer arms c, an adjustable valve e in a pipe d interconnecting the inlet and outlet of the pump and a ground wheel g pivoted to the bracket b by an arm f and driving the pump through a chain i and sprockets j, k. Adjustment of the valve varies resistance to flow of liquid, e.g. oil, circulated by the pump and thus varies the braking effect on the ground wheel. The arm f may be partly counterbalanced by an adjustable weight m. As an alternative to a ground wheel, the Provisional Specification describes a sprocket or pinion arranged to run on a track chain or rack mounted on the filter bed.
Patent GB-1420725-A (GB)
Title: Dynamic pressure control system
IPC: B29C45/00
Filed: 1974-04-11
Abstract: 1420725 Pressure die casting machines CONTROL PROCESS Inc 11 April 1974 [11 April 1973] 16415/74 Heading B3F [Also in Divisions B5 and G3] A system for controlling cavity pressure in metal casting machines comprises means 32 for sensing the pressure of the material in the mould cavity, means 36 for generating a signal corresponding to the pressure sensed, means 56, 60 for comparing the signal with a pair of predetermined pressure set points 62, 66, first means operable to cause material to flow to the mould cavity at a first rate, e.g. booster pump 98, second means operable to cause material to flow to the mould cavity at a second rate, e.g. pump 94 and control means responsive to the signal reaching the level of one of the set points, e.g. 66 to effect a change in the first rate and responsive to the signal reaching the level of the other set point, e.g. 62 to effect a change in the second rate. The point 66 corresponds to the holding pressure and thus the system ensures a correct shot volume. Set point 62 corresponds to the injection pressure and when reached the system switches off the holding pump 94, booster pump 98 having been switched off when the set point 66 was reached. A low set point 64 corresponding to mould underfilling and appropriate comparator 58 may also be provided. The system includes a bridge 38, differential input amplifier 40, calibration control 42, a multi-terminal switch 44 for calibrating the signal to p.s.i., a meter 52, relays 68, 70, 72 which are energized upon the appropriate set point being surpassed to close appropriate contacts and actuate solenoids 90, 92 of valves 104, 102 to modify the flow of hydraulic oil to the cylinder 28 and thus the flow, of the moulding material from the injection moulding machine 24. The system may be provided with alarms 80, 82, 84 and with an 110 volt output means 86 for driving an auxiliary system. The control system may be augmented with circuitry 114 which when the high set point 62 is exceeded or the low set point 64 not reached, is actuated via switches 68f, 70e respectively to appropriately adjust the desired set point 66 for the next cycle. The control system may also be provided with circuitry having a retro-active effect upon the desired set point 66 within a given cycle. To this end a timer 120 having predetermined high and low references 128, 130 is provided and should these be reached in the event of the desired set point 66 not being reached within a specified time band, an output from the timer 120 is transmitted to a power amplifier 122 and a valve 124 to modify the flow rate accordingly. The valve 124 may comprise an electrohydraulic valve or a hydro-mechanical valve adjusted by a servomotor. The sensing means 32 may comprise an ejector rod, dummy rod, a slide or button transducer or diaphragm transducer. The generating means 36 may comprise a strain gauge, piezo electric or transistor-type pressure sensor. Thus walled lids, containers and housings may be produced.
Patent GB-581530-A (GB)
Title: Improvements in and relating to hydraulic mains for controlling pressure in gas-producing plants
IPC: C10B27/06
Filed: 1944-08-29
Abstract: .581,530. Hydraulic mains. MACINTOSH AUTO-CONTROL GASIFICATION CO. PROPRIETARY, Ltd. Aug. 29, 1944, No. 16428. Convention date, Sept. 2, 1943. [Class 55 (ii)] In hydraulic mains for controlling pressure in gas-producing plants of the type described in Specification 390,167, tar is removed from the controller chamber 5 and simultaneously replaced by liquor from a settling chamber 11 by opening valves 17, 18 in pipes 12, 13 connecting the two chambers at the base of chamber 5 and at a point slighly below the working level of liquid therein respectively. The valves are closed when tar is to be run off by opening the valve 16.
Patent GB-990567-A (GB)
Title: Improvements in or relating to tobacco-manipulating machines
Inventor: STEELE MALCOLM STUART
IPC: A24C5/34
Filed: 1960-05-10
Abstract: 990,567. Cigarette-making machines. F. POCOCK, and MOLINS ORGANISATION Ltd. May 9, 1961 [May 10, 1960], No. 16460/60. Heading A2C. [Also in Division G3] Variations in the average density, during trimming, of the tobacco across the crosssection of that part of a filler stream to be left after trimming, are reduced by sensing variations in the mass per unit length of the filler stream and using the results to apply compensating pressure to the filler stream at least during the trimming operation. Cut tobacco is impelled upwards by an air current on to the underside of a perforated metal conveyer band 1 (Fig. 1) and held by suction provided by a pump connected by a pipe 5 to a chamber 4. The filler stream so formed is carried from right to left by the conveyer band I through an open channel bounded by opposed walls 9. The filter is trimmed by a device 6, comprising two co-operating discs, and passes on to a continuous paper strip 3 to be formed into a continuous cigarette rod. A sensing chamber 10 is connected by an open ended pipe 12 to the pipe 5. Compensatory pressure means (Fig. 2) comprise a chamber 13, with a duct 15 to a separate fan, and with a butterfly throttle valve 17 controlled by a bellows 20 (Fig. 3) connected by a pipe 21 to the sensing chamber 10. In a modification, the throttle valve 17 is replaced by a bleed valve which admits air from the atmosphere. A trimming device 6 (Fig. 1) is carried by an adjustable lever 51 connected at its left hand end to a nut member 53 which is actuated by signals from a #-ray scanning apparatus measuring the filler stream downstream of the trimming device as described in Specification 929,328. The #-ray apparatus may be used to operate, for example, the bleed valve instead of adjusting the trimmer height, and may be the sole control or may be in addition to the pressure sensed control. In a second embodiment, the compensatory pressure is applied by a roller acting on the underside of the filler stream below the position occupied by and replacing the chamber 13. Specifications 914,821 and 936,021 also are referred to.
Patent GB-555004-A (GB)
Title: Improvements in or relating to regulating means for electrical circuits
IPC: H02M7/06
Filed: 1941-12-22
Abstract: 555,004. Automatic regulation. HARMER, H. M. Dec. 22, 1941, No. 16500. [Class 38 (iv)] In order that the voltage applied to a regulating arrangement according to any of Specifications 493,362, 515,207, 521,314, 524,565 or 554,467 may increase with load and vice versa a magnetically biased inductance is included in series with the regulating circuit T1, T2, C and arranged so that the bias increases with the load. As shown in Fig. 3 the load current passes through a rectifier bridge a, a<SP>1</SP> and two inductances L1, L2 each of which takes half of the A.C. wave and is thereby biased so that its inductance falls with increase of load. A current auto-transformer w may be included to increase the biasing effect.
Patent GB-1349627-A (GB)
Title: Rotary spinning elements for openend spinning machines
IPC: D01H4/10
Filed: 1972-04-10
Abstract: 1349627 Open-end spinning DAIWA BOSEKI KK and TOYODA JIDOSHOKKI SEISAKUSHO KK 10 April 1972 [30 April 1971] 16511/72 Heading DID An open-end spinning rotor comprises a bottom wall 4 which bulges into the spinning chamber by an amount that gradually increases towards the axis of rotation of the chamber and which has a plurality of outwardly directed air exhaust passages 8. The bottom wall 4 can be conical. The air exhaust passages 8 can have an inlet in advance of the outlet with respect to the direction of rotation and may be curved and of non-circular cross-section. Dirt and short fibres may pass through the air exhaust passages 8.