baber/WOPTO huggingface dataset:
Patent DK-16880-A (DK)
Inventor: KOLETAR I G
IPC: C07D471/04
Filed: 1980-01-15
Abstract: Pyridoindole derivatives of formula    <IMAGE>  (I)  n=0 or 1; R1=H, Hal, alk, alk-O-, CF3; R2=-COOalk; -CONHR5 (R5=H or various substituents); R3=H, alk, -COOalk; R4=H, Ac, alk, -CONHR6 (R6=H or various substituents), and acid addition salts, except certain known compounds, are useful in treating anoxia and depression and in psychotropic therapy. They are prepared from tryptamine or a derivative thereof by reaction thereof with a pyruvic ester or 3-ethoxycarbonyl-1,2-dioxo-1-ethoxypropane to form compounds in which R4 is H and R2 is -COOalk. These compounds are reacted with amines, isocyanates or usual N-acylating or N-alkylating reagents to prepare the other compounds.
Patent DK-45198-A (DK)
Inventor: NEWELL ROBERT EDWARD
IPC: A61J1/00
Filed: 1998-03-31
Abstract: Medicine pack, comprising a circular carrying disc 7, 36 having a plurality of containers 8, 37 which are configured integrally with the carrying disc and are placed in a circle and which each contain a dose of a medicine in pulverized form, in which the containers are arranged to be able to be perforated on both sides of the carrying disc such that air is able to flow through the container and take up the medicine in the air current. <IMAGE>
Patent EG-18049-A (EG)
Title: A method for preparing fruit juice beverages and juice concentrates nutritionally supplemented with calcium
IPC: A23L1/304
Filed: 1987-05-04
Granted: 1991-08-30
Abstract: Fruit juice beverages and juice concentrates nutritionally supplemented with significant levels of solubilized calcium are disclosed. These beverages and concentrates are substantially free of added protein, and comprise at least about 45% fruit juice. The method for preparing these beverages and concentrates involves forming a premix solution containing highly soluble calcium citrate and malate species which is then combined with concentrated fruit juice, plus other fruit juice materials. This method provides beverages and concentrates which contain substantial levels of solubilized calcium without generating cooked/browned off-flavors and without including undesirable species as chloride ions.
Patent GB-990922-A (GB)
Title: Centrifugal pump
Inventor: SINGELMANN DIETRICH ERNEST
IPC: F04D13/04
Filed: 1962-01-02
Abstract: 990,922. Centrifugal pumps. BELL AEROSPACE CORPORATION. Jan. 2, 1962, No. 115/62. Heading F1C. A centrifugal pump comprises a series of circumferentially spaced, axially and radially extending generally semicircular inducer blades mounted on, or formed integral with, the pump shaft, a radially extending web mounted on, or formed integral with, the shaft, the inducer blades being substantially symmetrical about the web, and generally radial impeller blades fixed to the web, the inner edges of the impeller blades being angled from the web outwardly relative to the shaft axis. The centrifugal pump shown in Fig. 1 comprises an inlet 57 communicating directly with the lower eye of the pump impeller and communicating with the upper eye via bores 52 located, as shown in Fig. 2, between diffusers 82 leading to a discharge volute 13. The pump casing comprises a central part 12 and end ports 17, 20 which, together with an end cap 31 and the casing 64 of the driving turbine, are secured together by tie bolts 75. The impeller comprises main blades 43 of aerofoil form carried by a central web 80 extending radially from the shaft 40, the web being scalloped at 81 between the blades. Cavitation is suppressed by auxiliary or inducer blades 42 which extend radially from the shaft 40 and are of generally semicircular shape. Preferably the blades 42 are equal in number to the blades 43 and extend radially along lines substantially midway between adjacent pairs of the blades 43. The inner edges 84, 85 of the blades 43 are disposed at an angle to the shaft axis. In the modified impeller shown in Figs. 10 and 11, the leading portion of each main blade 120 is twisted progressively from the web 123 to the axial extremities of the blade. to provide a progressive variation of the angle of attack. Arcuate shrouds 124, 125 may be disposed between adjacent auxiliary blades 121, 122 to provide channels 126 of decreasing cross-sectional area so that fluid receiving the greatest impetus from the auxiliary blades 121, 122 is directed towards the portions of the blades 120 having the steepest angle of attack. Alternatively, the auxiliary blades may be formed with lateral flanges at their extremities axially remote from the web. The leading edges of the main blades may be coated with tungsten carbide or similar material to resist abrasion.
Patent GB-1165121-A (GB)
Title: Photographic Flashlamp Assembly
Inventor: FINK WILLIAM C
IPC: G03B15/04
Filed: 1968-01-01
Abstract: 1,165,121. Flash assembly. SYLVANIA ELECTRIC PRODUCTS Inc. Jan.1, 1968 [Dec. 30, 1966], No.133/68. Heading G2A. A photographic flash-lamp assembly for mounting on an exterior face of a camera having a film advancing mechanism, comprises a container 6 having a window 8 in the front face thereof, an endless belt 32 mounted on sprockets 27 and 30, said belt having a plurality of spaced reflectors 12, and a plurality of flash-lamps 1 mounted in said reflectors, said belt being advanced by the film advancing mechanism operating on shaft 28 to advance each flash-lamp opposite fixed reflector 10. The pins 3 and 5 of each lamp co-operate in turn with curved metal springs a and b or spring- loaded plastic lever 13 Figs. 5 and 6 in order to establish electrical contact via plugs 11 with the camera power source.
Patent GB-1139121-A (GB)
Title: Improvements in or relating to holographic apparatus
IPC: G03H1/26
Filed: 1967-01-02
Abstract: 1,139,121. Information storage. AMERICAN OPTICAL CO. Jan. 2, 1967 [Jan.10, 1966], No. 139/67. Heading G2C.  Apparatus for making a hologran which is to be used as an information store comprises a source 12 of coherent light, preferably a laser; a beam splitter 14 for providing a reference beam A and an information carrying beam, both of which are directed to interfere at a hologran film 20; and means for angularly displacing the film 20 and the beam A relative to each other for recording the selectively readable images of a series of objects 18 on the film. A diffusion plate 16 is provided. Preferably the film 20 is rotated by a notched drum 23 which rotates in steps, the axes A, B, C, D of the reference beam relative to the film 20 being shown. A similar notched drum is used to rotate the developed hologran when information is to be retrieved therefrom Fig. 2 (not shown).
Patent GB-431835-A (GB)
Title: Improved manufacture of thick-walled, cylindrical hollow iron bodies open at one end
IPC: B21K21/02
Filed: 1935-01-02
Abstract: 431,835. Making tube blanks. ALFINA IMMOBILIEN-, FINANZIERUNGS-, & VERWALTUNGS AKT.-GES., Glarus, Switzerland. Jan. 2, 1935, No. 155. Convention date, Jan. 3, 1934. [Classes 83 (ii) and 83 (iv)] Rolling.-A previously pierced bloom 1 with a cylindrical cavity placed on a tapered mandrel 3 is forced through small grooved rolls, the trough diameter d of which does not exceed twice the diameter d1 of the pass. The bloom may be tapered at 6 to a diameter d1, not greater than the pass diameter. The pass may consist of three grooved coacting rolls, and a number of such passes may be angularly placed relative to each other, e.g. at 90‹ in case of pairs of rolls forming passes.
Patent GB-1060601-A (GB)
Title: Improvements in or relating to mobile furniture
IPC: B60B33/00
Filed: 1963-01-02
Abstract: 1,060,601. On-and-off castors; furniture combinations. G. WRIGHT. Jan. 1, 1964 [Jan. 2, 1963], No. 192/63. Headings A4H and A4U. A hospital locker 10 with castors 11 has a brake arrangement comprising a rectangular frame 14 fitted to the inside face of the locker rear wall 13, two vertical posts 18 slidable through holes in the bottom bar 16 of frame 14 and in the base 20 of the unit and urged downwardly by springs 21 engaging a cross-bar 17 connecting the posts 18 and a towel rail 23 pivoted to frame 14 and connected to the posts 18 by wires 26 so that the posts may be lifted against the springs to allow the locker to travel on the castors.
Patent GB-1040892-A (GB)
Title: A method of producing 3,5-diiodothyronines
IPC: C07C227/16
Filed: 1964-01-02
Abstract: A new method of producing 3,5-diiodothyronines comprises the steps of converting racemic or optically active 3,5-diiodotyrosine to a metal complex of cations which form complexes with amino-acids, reacting said complex in the presence of bases with a 4,41-dialkoxy-diphenyliodonium salt to form a 3,5-diiodo-4-p-alkoxy-phenoxyphenylalanine and dealkylating the latter to the corresponding 3,5-diiodothyronine.
Patent GB-1294073-A (GB)
Title: Treatment of lignocellulosic material
Inventor: FISHER WILLIAM E
IPC: D21C3/22
Filed: 1970-01-02
Abstract: 1294073 Wood pulp OWENS-ILLINOIS Inc 2 Jan 1970 248/70 Heading D2W Wood is pulped by treating it with a reactive agent comprising at least one organomercapton and at least one inorganic digestion aid, the reactive agent being present in an amount of at least 2.5%, based on the weight of ovendry wood, the treating liquor having a pH not exceeding 12.0; and extracting the mercaptantreated lignin by contact with a dilute solution of an inorganic base. The inorganic digestion aid is an alkali metal hydrosulphide, sulphide, polysulphide, sulphite, bisulphite, or borohydride. The inorganic base may be an alkali metal hydroxide, carbonate, phosphate, silicate or borate, or an alkali metal salt of an organic acid in aqueous solution. The wood may have been previously extracted using an organic solvent, e.g. isopropanol, 1-butanol. The reactive agent may be dissolved in water, or an organic solvent. The liquor from the treatment with reactive agent may be recycled after make-up of spent chemicals, or residual chemicals may be removed, e.g. by ion exchange, solvent extraction, distillation or dialysis, for re-use.
Patent GB-283217-A (GB)
Title: Improvements in methods of phantomization for telephone circuits
IPC: H04M7/08
Filed: 1928-01-05
Abstract: 283,217. Marino, A. Jan. 7, 1927, [Convention date]. Phantom-circuit systems; inducticn, preventing and minimizing; loading circuits to improve transmssion.-In a system of multiplex working using four conductors, three communications are simultaneously established by using different combinations of pairs of conductors in parallel or series for each communication. Fig. 1 shows three substations A, B, C at one end of four conductors 1 - - 4 arranged according to the parallel method. Substation A which transmits over parallel conductors 1, 2 and receives over parallel conductors 3, 4, is connected to the mid-points of differential transformers A1, A2 and A3, A4, whilst substations B and C are similarly connected to the pairs 2, 3 and 1, 4 and the pairs 1, 3 and 2, 4 respectively. Transmitting currents from the substation A divide over the conductors 1, 2 but do not affect the substations B, C, since currents in the upper halves of the transformers B2-B3, B1-B4, C2-C4, and C1-C3 neutralize one another. Similarly, communications of substations B and C are restricted to their proper conductor pairs. In the arrangement shown in Fig. 2, the same conductor pairs are allotted to the substations A, B and C, but the pairs are connected in series, one series pair being used for transmitted currents and another for received currents. Each substation, such as A, is inductively coupled to its two conductor pairs by two transformers A1-A2 and A3-A4, the primary windings of which are wound in opposite directions, so that transmission currents divide and pass over two independent circuits formed by the series conductors 1, 2 and 3, 4. The substation B is not affected since the points B2, B3 and B1, B4 are at equal potentials. At substation C currents in the secondary windings C'2, C4 and C1, C3 cancel out in the primary windings : the same applies to substations B and C. Modifications are described using combinations of the parallel and series arrangements. For loading, groups of three similar horn-shaped loading coils with four equal and symmetrical windings, two wound in one direction and two in the opposite direction, are used at intervals. Of the windings of the first coil, two are included in conductors 1, 2 and the opposite two in conductors 3, 4; of the second coil one pair is inserted in conductors 2, 3 and the opposite pair in conductors 1, 4; whilst of the third coil the pairs of windings are included in conductors 1, 3 and 2, 4 respectively. Alternatively, four single-winding loading coils may be used at suitable intervals, each coil being inserted in a conductor and screened by a metal cover. Other methods of eliminating inductive effects between the coils are described. The cables are layed in square formation and twisted together in pairs in the following order: 1-2, 3-4, 2-3, 1-4, 1-3, 2-4 and so on.
Patent GB-695823-A (GB)
Title: Improvements in or relating to polymeric organosilicon compounds
IPC: C08G77/48
Filed: 1951-01-05
Abstract: Resinous compounds are made by heating a compound of the formula R-Si(OR1)2X, wherein R is a mononuclear aryl, aralkyl, alkaryl or lower alkyl radical, R1 is a hydrocarbon radical and X is a chlorine or bromine atom, or a mixture of such compounds containing at least one alkyl di-alkoxy-halosilane and at least one aryl- or alkaryl di-alkoxy-halosilane, with a hydroxy compound of the formula HO.CH2.(Y).OH, wherein Y is -CH2-, -CO-or -CHOH.CH2-, i.e. ethylene glycol, hydroxyacetic acid or glycerine.  In a preferred embodiment the silane mixture is composed of 70-90 mol. per cent of phenyl dialkoxyhalisilane and 10-30 mol. per cent of methyl or ethyl dialkoxyhalosilane. The reactants are preferably used in molar ratios of 1/3 to 2 : 1 of hydroxy compound to silane.  Examples are given. The compounds may be combined with (a) fillers, e.g. carbon black, calcium carbonate, magnesia, silica, calcium sulphate, lead oxide, basic lead sulphate, magnesium carbonate and clay, and the resulting products used for moulding brake linings, clutch facings and gaskets, or (b) other synthetic organic polymers such as butadiene-acrylonitrile copolymers.
Patent GB-119590-A (GB)
Title: Improvements in Drying Air.
Inventor: BYNOE FREDERICK OATLEY
Filed: 1918-01-08
Abstract: 119,590. Bynoe, F. O. Jan. 8, 1918. Drying air.-Air is admitted by the pipe b, under pressure to a chamber a in which moisture condenses and collects in a long tube e. The chamber is provided with an outlet c fitted with a valve g adjusted to open at any desired pressure. The pipe e is fitted with a valve f adjusted to open under a pressure sufficiently greater than that required to open the valve just to compensate for the pressure of the column of water in the pipe c. The inlet pipe b is provided with a non-return valve h. The dried air may be heated and used in a drying-chamber and then returned to the chamber a.
Patent GB-460812-A (GB)
Title: Improvement in methods of producing paper pulp from fibrous materials
IPC: D21C1/02
Filed: 1936-01-06
Abstract: Paper pulp is produced from decorticated bast fibre, e.g. flax or hemp, by submitting the fibre to the action of water, washing the same, cooking the fibres in a digester under a pressure of over 30 lbs./sq. inch and in the presence of an alkaline substance and a soluble sulphite, treating the product with chlorine in the presence of water, washing the conglomerate obtained and then treating the latter with an alkaline hypochlorite.  The mechanically decorticated material, e.g. flax should contain approximately 90 per cent crude bast fibre.  It is steeped, if desired together with a crushing action (e.g. in a beater or rod mill) in hot or cold water for 15--30 minutes, then thoroughly washed, and cooked in a rotary digester for approximately 2 hours under a pressure of 30--75 lbs./sq. inch with a mixture of approximately 95 per cent of alkali, e.g. calcium hydroxide, sodium carbonate or sodium hydroxide or a mixture thereof and about 5 per cent sodium sulphite.  The proportion of alkali should be 5--15 per cent of the dry weight of the fibre.  The digester is then blown and the fibre thoroughly washed, and then treated for 15--30 minutes with chlorine water, hypochlorous acid, or gaseous chlorine in the approximate proportion of 2--3 grams of chlorine for each 100 grams of conglomerate.  After washing, if desired with dilute sodium hydroxide or sodium carbonate, the material is treated with sodium or calcium hypochlorite for about 7 hours. The equivalent of 2--4 lbs. of ordinary bleaching powder is used per 100 lbs. of conglomerate.  The pulp is then finally washed and is ready for making high grade paper.
Patent GB-490347-A (GB)
Title: Improvements in or relating to amplifying systems
IPC: H03F1/36
Filed: 1938-01-07
Abstract: 490,347. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd. Jan. 7, 1938, No. 546. Convention date, Jan. 7, 1937. [Class 40 (v)] When the primary inductance of the output transformer of an amplifier is so low as to reduce low frequency response and the leakage inductance and secondary capacity so large as to reduce the high frequency response, an impedance is associated with the input circuit and a feedback path is provided by which a voltage proportional to that across the primary winding of the output transformer is fed in gain reducing phase to the impedance associated with the input which comprises capacitive reactance so that the frequency response is corrected. The Figure shows a feedback from the primary winding 15 through a resistance 24 to an impedance 13 in the input circuit. High frequency correction is effected by the network 26, 27. Resistances 14, 16 shunted by condensers 17, 18 are provided for grid biassing.
Patent GB-303894-A (GB)
Title: Improvements in the manufacture and production of non-knocking engine fuels of the benzine type
IPC: C10G1/06
Filed: 1929-01-05
Abstract: 303,894. I. G. Farbenindustrie Akt.- Ges. Jan. 13, 1928, [Convention date]. Motor spirit which does not knock is obtained by mixing 1-3 lb. of the anti-knocking benzine boiling no higher than 200‹ C. obtained by the destructive-hydrogenation of anthracite or mineral coal or their tars, with 3-7 lb. of the knocking benzine boiling no higher than 200‹ C. obtained by the destructive-hydrogenation of other tars, lignite, mineral oils, or distillation or conversion products thereof. In examples, (1) brown coal rich in bitumen is treated with hydrogen at 450‹ C. and 200 atmospheres in presence of tungstic acid and magnesium oxide. The benzine obtained knocks at a compression ratio of 5:1. This objection is removed by mixing 75 gallons thereof with 25 gallons of benzine obtained by the destructive-hydrogenation of mineral coal. (2) Pennsylvanian crude oil is treated with hydrogen at 450‹ C. and 200 atmospheres in presence of molybdic acid anhydride and chromium trioxide. 70 parts by volume of the benzine obtained is mixed with 30 parts of benzine obtained by treating mineral coal carbonization tar at 480‹ C. and 200 atmospheres in presence of molybdic acid anhydride, zinc oxide, and magnesium oxide. It is stated that if the brown coal of Ex. 1 be treated at 500‹ C. and 200 atmospheres in presence of aluminium hydrosilicate, a non-knocking benzine is obtained direct. Specification 296,984 is referred to. The Specification as open to inspection under Sect. 91 (3) (a) describes the production of non- knocking motor fuel by mixing benzines obtained by the separate destructive-hydrogenation of different carbonaceous materials. In examples :- (1) Crane Upton oil is destructively-hydrogenated at 50 atmospheres and 460‹ C. in presence of molybdic acid anhydride and chromium trioxide. 40 parts by volume of the benzine produced is mixed with 60 parts of that obtained by similarly treating coastal crude oil. (2) The benzine obtained by separately destructively hydrogenating mid-continent crude oil and cracking residues thereof, are mixed. This subjectmatter does not appear in the Specification as accepted.
Patent GB-205781-A (GB)
Title: Improvement in adjustable indexes
IPC: B42F17/00
Filed: 1923-01-08
Abstract: 205,781. Postindex Co., Inc., (Assignees of Liggett, J. C.). Oct. 21, 1922, [Convention date]. Frames with series of interchangeable strips bearing information. - A frame index comprises a plate 7 having turned marginal portions 8, provided with index members 6 each comprising a strip of paper curved transversely to engage frictionally the channels 9 and to prevent the edges of the members from riding over one another. The strips 6 may also be curved longitudinally as indicated in dotted lines in Fig. 3. The slips may be coated with protective material, such as collodion.
Patent GB-921632-A (GB)
Title: Improvements in or relating to lead blast-furnaces
Inventor: LUMSDEN JOHN
IPC: C22B13/00
Filed: 1961-01-06
Abstract: Molten lead is extracted from materials, containing oxidic lead compounds such as PbO and lead silicates and carbon charged at the top of a lead blast furnace by tapping the molten lead together with a molten slag, containing any zinc oxide that was in the charge, from the bottom of the furnace, the weight of slag tapped being less than the weight of oxidized lead charged, and supplying to the bottom of the furnace a preheated blast containing oxygen and water vapour, the degree of preheat being sufficient to ensure a low lead content of the slag tapped and the amount of water vapour being at least sufficient to prevent an excessively high temperature, e.g. 1000 DEG C. being generated at the top of the furnace; the temperature at the base of the reduction zone may be lowered to 930 DEG  C. but is preferably below 880 DEG  C., the melting-point of PbO.  Preferably a preheated blast consisting of air with added water vapour is supplied wherein the percentage volume concentration of H2O is at least 37 (1-weight of slag/weight of PbO).  For example, a lead sulphide concentrate is sinter-roasted with fluxes containing CaO and SiO2, and iron, prior to charging the sinter with coke into the blast furnace supplied at the bottom with an air blast, preheated to 450-500 DEG  C. and containing 14-18.7% by volume H2O1.
Patent GB-541353-A (GB)
Title: Improvements relating to degreasing apparatus
IPC: C23G5/04
Filed: 1941-01-18
Abstract: 541,353. Degreasing metal articles. HELLER, M. Jan. 18, 1941, No. 711. [Class 91] Metal articles are degreased in an apparatus of the type which has a horizontal condenser disposed above a rotatable or oscillatable perforated container for the articles to be degreased characterized in that the condenser is provided with a number of pre-determined drip points for the solvent vapour condensed on its surface. The preferred forms of condenser are a coiled tube where the bottom of each coil constitutes the drip point, and a finned tube, where each fin acts in this manner. The preferred form of the invention includes a coiled condenser 8 disposed above a perforated basket 6 in such a manner that the condenser is attached to the cover 3 of the vessel 1 and can be displaced therewith in order to allow the insertion and removal of the articles to be treated. The perforations through the basket are in the form of rows of slots extending parallel to its axis and the leading walls of the slots are in the direction of rotation of the basket.. Solvent vapour is admitted at 14, and branch 15 leads to an external condenser.