baber/WOPTO huggingface dataset:
Patent ES-275001-A1 (ES)
Title: Formaldehyde polymers
IPC: C08G2/00
Filed: 1962-02-27
Abstract: <PICT:0943175/C3/1> Formaldehyde polymers having the infrared spectrum of sample A in the accompanying drawing and a weight loss at 160 DEG C. after 60 minutes lower than 1.5% are prepared by polymerizing anhydrous formaldehyde in an anhydrous solvent in the presence of an amino acid. The reaction is preferably carried out at between -15 and +50 DEG C. Specified amino acids include glycine, betaine, asparagine, betaine hydroxide, alanine and para-amino hippuric acid. Specified solvents are toluene and n-heptane. The polymer may be acetylated.
Patent ES-280703-A1 (ES)
Title: Manufacture of bipyridyls
IPC: A01N43/40
Filed: 1962-09-11
Abstract: Bipyridyls are produced by interacting pyridine or pyridine having one or more hydrocarbon groups as substituents and aluminium and oxidizing the interaction product so formed. The reaction between the pyridine and aluminium may be initiated, for example, by mercury and its compounds, alkali metals, alkaline earth metals and halogens, and may be carried out in the presence of a diluent. The oxidation may be carried out by oxygen, an oxygen-containing gas, chlorine, hypochlorites, nitric acid or a water-soluble inorganic peroxy compound and is preferably carried out in the presence of a diluent, e.g. water, an alcohol or a hydrocarbon.
Patent ES-281232-A1 (ES)
Title: N1-[(5-nitro-2-furyl)alkylidene]-n-substituted n-(n-substituted carbamoylalkyl) hydrazines
IPC: C07D307/74
Filed: 1962-10-02
Abstract: The invention comprises: (a) compounds of the general formula: <FORM:0969101/C1/1> (wherein n is 0 or 1, R represents a hydrogen atom or a methyl group, R1 represents an acyl group (including an arylsulphonyl, alkoxycarbonyl and haloalkoxycarbonyl group), A represents a methylene or alkylidene group and Y represents an amino, alkylamino, dialkylamino, acetylamino, hydroxyalkylamino, phenylamino, piperidino, pyrrolidino or morpholino group), and pharmaceutical compositions containing them together with a pharmaceutically acceptable carrier (b) compounds of the general formula: <FORM:0969101/C1/2> (wherein n, R and A are as defined in (a) and B represents an amino, alkylamino or hydroxy group) (c) the preparation of the compounds of (a) by reacting a compound of (b) with an acyl halide (including an aryl monosulphonic acid halide and an alkyl or haloalkyl haloformate), a carboxylic acid anhydride, or formic acid and acetic anhydride, and, when B is OH, treating the product with a halogenating agent and reacting the product with an appropriate primary or secondary amine (d) the preparation of the compounds of (b) by reacting a compound of the general formula: <FORM:0969101/C1/3> with a compound of the general formula: H2NNH-A-CO-B by bringing the reactants together in an acidified medium (e) the preparation of 2-(1-acetyl-2-(5-nitrofurfurylidine)-hydrazino)-diacetamide by treating 2-(5-nitrofurfurylidenehydrazino)- acetamide or its 1-acetyl derivative with acetic anhydride in the presence of concentrated sulphuric acid and (f) the preparation of 2-(1-acetyl -2-(5-nitrofurfurylidene)-hydrazino)-N-hydroxymethylacetamide by reacting 2-(1-acetyl -2-(5-nitrofurfurylidene) - hydrazino) - acetamide with formaldehyde solution in the presence of sodium carbonate. The process of (d) may be modified by replacing the nitrofuran carbonyl compound formulated therein by another carbonyl compound and then hydrolysing the product in the presence of the said nitrofuran carbonyl compound. Sodium hydrazinoacetate is prepared by reacting hydrazine hydrate with chloracetic acid in aqueous caustic soda. Ethyl a -hydrazinopropionate is prepared by refluxing hydrazine hydrate with a -chloropropionic acid in ethanol and then saturating the solution with dry hydrogen chloride gas. The pharmaceutical compositions, which have antimicrobial (including anthelmintic and antiprotoyoal) activity, may be in the form of tablets, suspensions, elixirs, capsules or troches, or foodstuffs or drinking water for animals.
Patent ES-336717-A1 (ES)
Title: Polyamide-acids and polyimide from a mixture of dianhydrides
IPC: C08G73/16
Filed: 1967-02-11
Abstract: Polyamide-acid precursors of polyimides are derived from a diamine and a mixture of (i) an anhydride containing aromatic ester groups and having the formula where A is O or S, n is at least 2, R is an aromatic, alicyclic, aliphatic or heterocyclic radical and R 1 is a trivalent organic radical containing at least 2 carbon atoms, and (ii) a tetracarboxylic acid dianhydride not being as defined for (i). The anhydrides (i) are products of an acidolysis reaction between one mole of tricarboxylic acid or anhydride per equivalent of a polyhydroxy compound. Extensive lists of possible reactants are given. In the examples, polymers are formed from a mixture of (i) p-phenylene-bis- (trimellitate)dianhydride and (ii) pyromellitic or 3,4,31,41-benzophenone dianhydrides and mphenylene diamine or di-(aminophenyl) ether or methane. Solutions of the polyamide acids in the conventional solvents may be used to form films, fibres or insulating tapes or as wire enamels, varnishes or adhesives. The polymers may also be used for cast or moulded structural parts. Reference has been directed by the Comptroller to Specification 1,063,340.
Patent ES-344132-A1 (ES)
Title: Cross-linkable internally plasticized vinyl chloride compositions
IPC: C08F259/04
Filed: 1967-08-14
Abstract: A vinyl chloride copolymer that can be crosslinked by organic peroxides is produced by polymerizing 3 to 50 parts by weight of a mixture of a diolefin and at least one monomer selected from the nitrile and esters of ethylenically unsaturated carboxylic acids in the presence of 100 parts of a copolymer containing from 75 to 95% by weight of vinyl chloride and correspondingly from 25 to 5% of a monomer containing at least 8 carbon atoms selected from the vinyl esters of monocarboxylic acids, the esters of ethylenically unsaturated carboxylic acids and alkyl vinyl ethers. Specified diolefins are butadiene, isoprene and 2-chlorobutadiene and the comonomer may be acrylonitrile, fumaronitrile, methacrylonitrile or a C 1 to C 4 -alkyl acrylate or methacrylate. The vinyl chloride copolymer with, e.g. vinyl laurate, palmitate or stearate, a C 6 to C 12 -alkyl maleate, fumarate, acrylate or methacrylate or a C 12 to C 18 -alkyl vinyl ether may be produced in an aqueous medium, in which the diolefin, nitrile and/or ester are subsequently polymerized. In the examples, (1) a vinyl chloride-octyl fumarate copolymer is grafted with butadiene and methyl methacrylate using lauroyl peroxide as catalyst, (2) acrylonitrile replaces the methacrylate, (3) 2- ethylhexyl acrylate and acrylonitrile replace the fumarate and methacrylate, respectively and (4) vinyl stearate replaces the fumarate. The resins produced are compounded with ditridecyl phthalate, calcium stearate and lead phthalate and gelled prior to being cross-linked by heating with dicumyl peroxide and tetraallyloxyethane. Reference has been directed by the Comptroller to Specification 961,940.
Patent ES-347130-A1 (ES)
Title: Colloidal silsesquioxanes and methods for making same
IPC: C08L83/04
Filed: 1967-11-14
Abstract: A composition suitable for use in the treatment of fibrous material comprises a colloidal suspension of a silsesquioxane having the unit general formula RSiO 3/2 in which R is a methyl, ethyl, vinyl, phenyl or 3,3,3-trifluoro propyl radical, the silsesquioxane having a particle size of 10-1000 . The colloidal suspension may be prepared by adding a silane having the general formula RSi(OR11) 3 in which R11 is an alkyl group containing 1-4 carbon atoms or a group to a mixture of water and an anionic or cationic surfactant, e.g. dodecyl benzene sulphonic acid, with agitation under acidic or basic conditions, the amount of silane employed being less than 10% by weight calculated on the combined weights of silane, water and surfactant unless the silane is added to the mixture of water and surfactant at the rate of less than 1 mol of silane per hour in which case up to 35% by weight of silane may be used. The composition may be in the form of an aerosol or may be incorporated into a carpet cleaning shampoo comprising a mixture of 3 parts by weight of the sodium salt of lauryl sarcosine and 1 part by weight of sodium lauryl sulphonate.
Patent ES-348474-A1 (ES)
Title: Character recognition by context
IPC: G06V30/262
Filed: 1967-12-21
Abstract: In word identifying apparatus, a plurality of possible characters are stored for each character position of an input word and are selectively combined to form a plurality of possible input words which are compared with stored reference words, there being means for indicating which reference word most probably corresponds to the input word. As described, a character recognition system indicates 3 possibilities for each character of a 5-character word, the 15 possible characters being stored in parallel in character registers at positions depending on whether they are first, second or third choice (as most likely to be correct) for their respective positions in the word. A pulse generator selects each of the 35 possible input words in turn and provides its priority defined as the product of its character probabilities these being say 1 for a first choice, 0À9 for a second choice and 0À8 for a third choice. The selected possible word is compared with each of a dictionary of reference words from a magnetic drum until equality, or failing this until all reference words have been tried. On equality, the reference word is gated to an output register together with the product of a probability (stored with the reference word on the drum) and the priority of the possible input word involved, provided this product exceeds that previously stored in the output register. Thus, after all possible input words have been tried, the output register holds the best choice as determined by the character choice priorities indicated by the character recognition system and the intrinsic probability of the word (which will depend on the context).
Patent ES-348801-A1 (ES)
Title: Xerographic reproducing apparatus
IPC: G03B27/52
Filed: 1967-12-29
Abstract: An apparatus for advancing a continuous web 60, especially a web of fan-fold paper, across a platen 26 during optical scanning, comprises rollers 72, 74 carried by endless chains 52 which advance the rollers 72, 74 across the platen 26, such that a portion of web is held stationary during scanning, whilst a loop of web is formed simultaneously for subsequent advance across the platen. An oscillating mirror 176 scans the web stationary on the platen 26. At the end of a scan the mirror moves back to the start of scan position Fig.6, while a scanned portion of web is advanced by a friction roller 94 thus dispersing the loop of web formed during the previous scanning operation. A tractor 76 carrying pins engaging marginal web perforations feeds the web continuously, such that a further loop of web is created. The loop is supported on a bar 146 rocked to release the loop at the end of a scanning operation. When more than one copy of a particular web portion, e.g. representing a form, a clutch (111) Fig.3 (not shown) interrupts the drive to the tractor 76, such that the web is not advanced for the appropriate period to permit scanning the required form a number of times.
Patent ES-358376-A1 (ES)
Title: Synergistic herbicidal composition for the selective control of weeds in cereals
IPC: C07C59/70
Filed: 1969-09-21
Abstract: A herbicidal composition comprises (1) a 1-(2-benzothiazolyl)-1, 3-dimethyl-urea of formula: and (2) a phenoxycarboxylic acid of formula: wherein R is methylene or methylmethylene, R 1 is chlorine or methyl, and R 2 is hydrogen or chlorine, component (2) being in the form of the free acid, a metal salt, an ammonium salt, an amine salt or an ester.
Patent ES-358656-A1 (ES)
Title: Control and selective mechanism for selective threading members in knitting machines,looms,pattern making machines and the like
IPC: D03C3/20
Filed: 1968-09-28
Abstract: A centre closed shed single lift jacquard has pneumatic selection and magnetic lifting of the healds and one pattern card may operate a block of similar groups of healds for weft wise pattern repeats or separate shedding mechanisms as in small ware looms. A movable air box 29 (Fig. 6) presses a continuous perforated pattern a perforated cards against a presser block 7 and holes in the cards permit air to enter corresponding pipes 8 which lead to distribution blocks 9 to 12. The block 9 passes any of thirty six air impulses to each of the blocks 10 to 12 which each have thirty six outlet pipes 32 leading to pattern mechanisms 15 to 17. Each pattern mechanism 15 to 17 has thirty six balls 25, 25a (only two shown) at the outlets of the pipes 32 and each ball is in a chamber with an outlet 28 leading to a further chamber 19 which may be either pressurised or exhausted. Each ball chamber has a needle 21, 22 passing through it into the outlets 28 and each needle has armatures 45, 47 between which are healds 50, the armatures co-operating with magnetic plates 41, 49. In use, an air impulse from a hole in the pattern card cause a ball (25a in Fig. 5) to move to the right, blocking the path of the needle 22 into passage 28, whereas the ball 25 receives no impulse and stays to the left leaving its passage 28 free. The magnetic plate 41 is then energised and raised, lifting with it the needle 21 but not the needle 22 whose path is blocked by the ball 25a. The magnetic plate 49 is then energised and lowered taking with it all those needles whose paths had been blocked. At open shed the pressure in the pipes 32 is relieved and the chamber 19 pressurised so that, upon closing the shed, all the balls are returned to the left for a further 'selection.
Patent ES-358962-A1 (ES)
Title: Driving device for a series of rollers
IPC: G03D3/13
Filed: 1968-10-08
Abstract: In an apparatus comprising a series of rollers for transporting sheet material, such as photographic film, therebetween, the rollers are rotatably mounted in side frames 29, 44 and one of each pair of rollers is driven by the engagement of a crank arm 86, carried at one end, with one of a series of pins 119 carried by drive plates 22, 50 which are mounted on eccentrics 18, 46, 64, 74 and caused to move in an orbital path. The eccentrics are driven from an electric motor M through a gear reduction box 14 and an arrangement of shafts 24, 38, 34, 60, 68 and bevel gears 26, 32, 36, 54, 62 and 70. The drive plates 22, 50 drive rollers in opposite directions.
Patent ES-367726-A1 (ES)
Title: Connecting means for dynamoelectric machine cooling system
IPC: H02K3/22
Filed: 1969-05-27
Abstract: In a dynamoelectric machine, e.g. a large turbine generator, having disposed in a plurality of longitudinal slots 15 in an annular stator core 10 an inner-cooled stator winding comprising half-coils 16 each including electrically insulated hollow conductors 17 through which a coolant fluid e.g. water or H.P. hydrogen is circulated by a closed system, there are provided connectors 53 which include for electrically connecting each conductor of one half-coil to a conductor of another half-coil mutually parallel hollow conducting sleeves 65 extending transversely of a pipe 61 connected to the system and having holes 63 communicating with each of the sleeves the pipe being electrically insulated therefrom. Such insulation comprises preferably ceramic tubes 68 brazed to metal tubings 64, 67 in turn brazed to the pipe and sleeves, but Figs. 6. . . 8 discloses modified constructions. Thus the conductors 17, which may be transposed, in different slots, are connected together electrically in series and to the cooling system which comprises fittings 62, intake and discharge insulating pipes 52, 54, annular manifolds 50, 51, pipes 57, 58, a cooler 56, and a pump or compressor 55. The generator otherwise is similar to that disclosed in Specification 920,558.
Patent ES-369304-A1 (ES)
Title: IMIDAZO-3H-(4,5-b)-PYRIDINE DERIVATIVES
IPC: B65G39/12
Filed: 1969-07-08
Abstract: Compounds of the general formula (R=H, halogen R 1,2 = hydroxyalkyl containing up to 4 carbon atoms or -NR 1 R 2 =5 or 6 membered heterocyclic ring) and their acid addition salts are prepared by condensing a compound of the formula with R 1 R 2 NH at a temperature, not above 100 C., optionally followed by salt formation. The above compounds are antihistaminics, sedatives, analgesics, anti-inflammation agents, antitussive agents and anti-secretion agents. They may be administered in the form of pharmaceutical preparations containing them in association with a carrier.
Patent ES-382105-A1 (ES)
Title: Centrifugal separator
IPC: B04B7/08
Filed: 1970-07-23
Abstract: In a centrifugal separator having a source of supply of a liquid to be separated, a surface of the separator which contacts the liquid is coated with a poly-alkene which is at least partly fluorinated.
Patent ES-384332-A1 (ES)
Title: Pulsing conveyors
IPC: B65G53/00
Filed: 1970-10-08
Abstract: In one embodiment, material metered by a conveyor 10 into the upper portion of hose 16 is dropped periodically into a T-cup 26 and blown by a nozzle 32 to a second stage, and a floating clamp 18 clamps the hose while the previous material is blown out of the T-cup. In an alternate embodiment, material is metered by a conveyor 110 into a charging tube 116, and, after a cap 122 has sealed the charging tube, air is blown through the charging tube to blow out the material.
Patent ES-426114-A1 (ES)
Title: Cross-bottom bag
IPC: B65D33/22
Filed: 1974-05-09
Abstract: A cross-bottom bag having one end closed by fold portions of the bag which are tucked and folded over to close said one end, a cover sheet adhesively secured to the tucked and folded portions, a heat-meltable material provided on said tucked and folded portions before they are folded over and a heat-meltable material provided on said cover sheet in contact with the heat-meltable material provided on the corner tucks in the region between diagonal fold edges of the fold portions.
Patent ES-427742-A1 (ES)
Title: Process for improving the adhesive properties of ethylene-propylene co- and terpolymers
IPC: C08J7/043
Filed: 1974-06-27
Abstract: A process for improving the adhesive properties of the surface of a body or article derived from co-polymers or terpolymers of ethylene and propylene wherein the surface of the article or body is treated with a primer containing an isocyanate-terminated prepolymer which is the reaction product of a rubber-like, hydroxyl-containing alkadiene-derived polymer and an organic diisocyanate.
Patent ES-433792-A1 (ES)
Title: Collapsible baby stroller
IPC: B62B7/08
Filed: 1975-01-14
Abstract: Collapsible baby stroller having a seat member, wheels for moving the stroller on the ground, a handle member for carrying and pushing the stroller and an articulated lever system cooperating in supporting the seat member and the wheels. The configuration of the lever system is transformable from a collapsed configuration into an unfolded configuration and vice versa. The stroller has a control rod for the lever system, a rigid supporting body structure slidingly supporting the control rod shiftable with respect to the supporting body structure. The control rod causes the articulated lever system and the seat member and wheels carried by it to assume a collapsed configuration when the control rod is shifted into one position thereof and it also causes the articulated lever system and the seat member and wheels carried by it to assume an unfolded configuration when the control rod is shifted in another position thereof.
Patent ES-435574-A1 (ES)
Title: Foldable ladder
IPC: E06C7/42
Filed: 1975-03-13
Abstract: A foldable ladder is disclosed having a central and two outer parallel support members or "stiles" and a plurality of steps connected between the central and the outer stiles. Each step is arranged to fold between an erected position, in which it extends generally at right angles to the longitudinal direction of the stile to which it is connected, and a storage position in which the step lies generally parallel to the central stile with the outer stile to which it is connected extending parallel to and in close juxtaposition with the central stile. Engaging means are provided adjacent the upper end of the central stile for holding cooperating engaging means of a supporting membersuch as another ladder section (forming an extension ladder) or a prop extending to ground (forming a step ladder).
Patent ES-436949-A1 (ES)
Title: Electrode assembly for an electrolytic cell
IPC: C25B1/46
Filed: 1975-04-25
Abstract: An electrode is provided for use in electrolytic cells employing metal electrodes. The electrode comprises two electrode surfaces positioned in parallel and having a space between them: and at least two conductive supports one conductive support separately attached to each electrode surface and positioned in the space between the electrode surfaces. The conductive supports are also attached to and are substantially perpendicular to an electrode plate.
Patent ES-439234-A1 (ES)
Title: Method for transferring design image to wax articles
IPC: C09D11/00
Filed: 1975-07-08
Abstract: A simplified, low-cost method and apparatus for transferring inked design images from preprinted, design bearing waxed sheets to elongated, cylindrical, solid wax candle bodies or the like which permits gravure or lithographically applied halftone and shaded design images to be used as candle decorations, eliminates costly and tedious manual operations characteristic of decal applications and other prior methods and devices, and produces a finished candle having perfectly aligned decorative images thereon which are not susceptible to undesirable torching as the candle burns. The method comprises applying a design-bearing, waxed sheet to the candle body in closely conforming relationship thereto while the latter rotates in pressurized, bridging engagement between a pair of spaced, adjacent, rotating transfer rollers. Heat is applied to the sheet through one transfer roller to thereby effect transfer and partial wax encapsulation of the design image on the candle body, whereupon the transfer sheet is stripped from the candle and discarded. Means are also provided for sequentially heat treating separate candles to remove surface irregularities thereon, followed by water-cooling and air drying thereof prior to the image transfer step. Novel ink formulations are also disclosed which are especially adapted for gravure printing of design images onto waxed substrates without smearing or offsetting thereof, and which facilitate ultimate transfer to solid candle bodies.
Patent ES-443304-A1 (ES)
Title: Process for producing aluminum
IPC: C25C3/12
Filed: 1975-12-09
Abstract: A process for producing aluminum by electrolyzing aluminum oxide dissolved in a molten salt bath using a Soderberg anode with vertical contact studs, wherein a molded anode paste having a composition that does not form a soup-like or liquid layer is used, and the electrolysis is carried out while maintaining the anode such that it forms three layers, an upper layer of the anode comprising the molded anode paste which exerts a specific load on lower layers of the anode and has a specific surface temperature, an unbaked interlayer which, for a period of time after pulling out the contact studs does not clog the holes left upon the removal of the studs, and a lower baked layer. The anode has a high apparent density and superior mechanical strength and electrical characteristics, and the process can provide aluminum at low unit production costs for the electrode and electric power without suffering from anode troubles.
Patent ES-449518-A1 (ES)
Title: Synchronization for PCM transmission systems
IPC: H04J3/12
Filed: 1976-07-02
Abstract: At the transmitter the synchronization information is provided by position modulation of the line transitions of at least one bit of a PCM word. The receiver is synchronized to the received coded signal by detecting the position modulation of the bit of the PCM word. This arrangement avoids the need for extra bits to convey synchronization information.