baber/WOPTO huggingface dataset:
Patent MX-9800643-A (MX)
Title: Non-toxic, inexpensive synthetic drilling fluid.
Inventor: SLYKE DONALD C VAN
IPC: E21B43/267
Filed: 1998-01-22
Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30 degree C (-22 degree F) and (II) a cetane index greater than 50, and comprising (i) at least about 95 wt.percent hydrocarbons containing 11 or more carbon atoms, (ii) greater that 5 wt.percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 wt.percent isoparaffins, (iv) at least about 90 wt.percent total paraffins, (v) about 1 or less wt.percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 wt.percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 wt.percent n-paraffins.
Patent MX-PA99008815-A (MX)
Title: Process for production of fluoroalcohol.
Inventor: YOSHIZAWA TORU
IPC: G11B7/241
Filed: 1999-09-24
Abstract: The invention provide a method for producing a fluoroalcohol of the following formula (1): H(CFR<1>CF2)nCH2OH (wherein R<1> represents F or CF3, when n=1; R<1> represents F, when n=2) comprising reacting methanol with tetrafluoroethylene or hexafluoropropylene in the presence of a free radical source, wherein the reaction mixture is subjected to distillation either in the presence of a base or after contact of said reaction mixture with a base.
Patent MX-PA99011565-A (MX)
Title: Shaped multilayer metal foil shield structures and method of making.
Inventor: RAGLAND G WILLIAM
IPC: B32B3/28
Filed: 1998-06-05
Abstract: A forge/swage formed three-dimensional multilayer metal foil shield having areas (6) therein where the layers (21) are in a spaced apart relationship, areas (2) therein where the layers are tensioned or stretched, and areas (4) where the layers are compressed and interlocked together by folding, rolling, wrinking, curling, coiling, crimping and the like. The multilayer metal foil shield is formed by forge/swage shaping in an appropriate mold apparatus a preform of a stack of metal foil layers having gaps between the layers. The gaps are provided by embossments (7) in the layers or by spacers between the layers. The forge formed multilayer metal foil shields have utility as heat shields and acoustic shields, particularly on vehicles. The forge formed multilayer metal foil shields are mounted on automobile underbody areas, such as the bottom of the floor pan of the passenger compartment, to provide heat and sound insulation. Other automotive uses include fire wall, exhaust tunnel, motor mount and exhaust down pipe. The three-dimensional shields include multilayer metal sheet formed structures. Intermediate beaded or rolled edge multilayer metal preforms are made for transport to the final three dimensional stamping operation.
Patent NL-2023199-A (NL)
Title: Werkwijze en bouwelement voor het vormen van een uitkragend raam
Inventor: BART DE PAEPE
IPC: E06B3/30
Filed: 2019-05-27
Abstract: In een eerste aspect betreft de huidige uitvinding een bouwelement voor het vormen van een uitkragend raam, welk bouwelement een tunnelvormig frame omvat dat een interne ruimte omsluit en open einddelen bevat, waarbij een eerste einddeel van het frame een bevestigingseinddeel is, geconfigureerd voor bevestiging van het 10 bouwelement in en/of over een gebouwopening, en waarbij een tweede einddeel van het frame een raameinddeel is, geconfigureerd voor opname van een raam, het bouwelement verder omvattende een isolerende mantel clie het frame omsluit. In het bijzonder is het frame daarbij opgebouwd uit één of meerdere, verbonden metalen plaatstructuren, welke plaatstructuren de interne ruimte omsluiten. In verdere 15 aspecten betreft de uitvinding nog een gevelstructuur voorzien van een dergelijk bouwelement, en een werkwijze voor het plaatsen van een uitkragend raam. 2023199
Patent NL-2033907-A (NL)
Title: Extreme ultraviolet light generation apparatus and electronic device manufacturing method
Inventor: ATSUSHI UEDA
IPC: H05G2/00
Filed: 2023-01-04
Abstract: An extreme ultraviolet light generation apparatus includes a chamber; a housing extending from an internal space of the chamber to outside of the chamber, surrounding a. plasma. generation. region. except on a 'trajectory of a droplet target and on an optical path of laser light, and including a first opening through which extreme ultraviolet light generated from.the plasma passes; a light concentrating mirror arranged in a first space outside the housing at the internal space and reflecting the extreme ultraviolet light having' passed. through the first opening‘ in a direction different from an incident direction of the extreme ultraviolet light; and a gas supply port provided in the chamber; and a gas exhaust port provided at the housing outside the chamber. An optical axis of the laser light when being radiated to the droplet target is along a direction in which the gas flows in the plasma generation region.
Patent NL-276457-A (NL)
IPC: C08F8/50
Abstract: The process of the parent Specification is modified in that before the extrusion of filaments the isotactic polypropylene is subjected to thermal degradation by admixture with a sulphur compound which gives rise to thiyl radicals, e.g. thiphenols, mercaptans, thioureas, thioacids and the salts thereof, disulphides and polysulphides. Compounds specified include thio-b -naphthol, pentachlorothiophenol, 4,41-thio-bis(3-methyl-6-tert. butyl phenol), 2,21-thio-bis(3-methyl-6-tert. butyl phenol), 4,41-thio-bis(2-methyl-5-tert. butyl phenol), 2,21-thio-bis(6-methyl-3,5-tert. butyl phenol), dodecylmercaptan, mercaptobenzimidazole, dinonyldithiophosphoric acid and its salts, mercaptobenzthiazole bisulphide, di-isopropyldithiophosphoryl disulphide, diphenyl disulphide, di-obenzamidodiphenyldisulphide, 2,21-bis(N-phenylbenzamido) phenyl disulphide, diaroyl disulphides, diaroyl polysulphides and amine polysulphides, e.g. 4:41-dithiomorpholine and sulphur compounds having weak bonds between sulphur and another atom, e.g. dialkyl monosulphides, diaryl monosulphides, diaralkyl monosulphides, diacyl monosulphides, thio phosphoryl monosulphides, dithiocarbamoyl monosulphides, benzthiazole sulphenamides, diphosphoryl sulphenamides, tetramethylthiur-ammonosulphide and alkyl thioamines.  The sulphur compound may also protect the polypropylene against the action of light, weathering, oxidation and heat up to about 150 DEG C., and may be used in association with a sulphur-free compound having a stabilizing action alone or providing a synergistic action with the sulphur compound. Preferably, less than 2% (by weight of the polypropylene) of the sulphur compound is used.  The sulphur-free compound may be an ultra-violet light absorber (e.g. carbon black), an antioxidant, a free-radical inhibitor or a metal-ion inhibitor.
Patent NL-6402385-A (NL)
IPC: F24F8/142
Filed: 1964-03-09
Abstract: 1,004,239. Washing gases ; paint - spray booths. TUNZINI. Jan. 17, 1964 [April 2, 1963], No. 2232/64. Heading B1R. In apparatus for washing gases containing suspended matter, e.g. the air from a paintspray booth, the gas to be washed is drawn downwardly through a grid 2 and contacts a washing liquid in and overflowing from a trough terminating in an inclined plate 13 and together with entrained liquid flows first through the passage between the plate 13 and a baffle 16 then through the space below the bottom of the trough to an outlet duct 4, the washing liquid and removed suspended matter collecting in a sump. The chamber 4 may have baffles 30 and 33 and as a paint-spray booth the apparatus includes a water-washed screen 37.
Patent NL-6700919-A (NL)
IPC: B29C45/14
Filed: 1967-01-20
Abstract: 1,147,385. Forming pipe branches; seaming non-metallic sheet material. H. KELLER. 20 Jan., 1967 [21 Jan., 1966], No. 3015/67. Headings B5A and B5K. [Also in Division F2] A pipe branch is made of synthetic thermoplastic material e.g. P.V.C. or polyethylene is made by forming in a first pipe section (1) a heated groove which corresponds in shape to the intersection of the required branch pipe with the first pipe, the groove being made with a heated die. The end of a branch pipe (3) cut to the corresponding shape and heated is then pressed into the groove and an opening cut in the first pipe section either before or after cooling. The first pipe may be supported on a core and the branch pipe supported externally and/or internally while the plastic cools. The material of the branch pipe may also be injection moulded on to the tube using a suitably shaped mould. Webs to support the branch pipe may also be provided as in Figs. 7 and 8 (not shown).
Patent NL-6904911-A (NL)
Title: 4-hydroxyadamantan-2-one prepn adamantane - derivs intermediate
Filed: 1969-03-29
Abstract: Bicyclo(3.3.1)non-6-en-3carbonitrile is reacted with H2SO4 or polyphosphoric acid, and the reaction product hydrolysed. The acid used is pref. 90-100% H2SO4 and the starting material is pref. prepared 'insitu' from adamantanonoxime. 4-Hydroxyadamantanone-2 is an intermediate in the synthesis of 2,4-disubstd. adamantane derivs. In an example adamantanone oxime is added to 96% H2SO4 at 50 degrees C and stirred to room temperature, poured out onto ice, extracted with chloroform, warmed and cooled, again extracted to give 4-hydroxyadamantanone-2.
Patent NL-6913657-A (NL)
Title: Helically wound, finned tubes used for heat - exchangers
IPC: B21C37/26
Filed: 1969-09-08
Abstract: Helically wound, finned tubes used for heat exchangers. Comprises a tube and a helically wound, continuous fin with an L-shaped cross-section, a horizontal foot and a shank which extends outwards is tapered inwards, and consists of easily deformed material. The shank is wound around the tube so that the outer side of the foot contacts the outer circumference of the tube while the foot turns towards the smooth side of the tube when the fin is formed. The following fin is formed on to the foot so that a single heat transfer surface is obtained. Spec, the method of tube manufacture is also described.
Patent NL-7317041-A (NL)
Title: Machine for cutting brittle materials - has drive motor with spool of new wire fixed to its shaft
IPC: B28D5/04
Filed: 1973-12-12
Abstract: The machine for cutting brittle materials such as piezoelectric or semiconductor devices includes a drive motor having a spool of new wire fixed to its shaft. The wire is taken-up by another drive motor and a spool, the motors maintaining a constant movement of the wire between them. The wire is engaged by guide idler pulleys and a fixed multi groove pulley and extends to a web with three parallel pulleys, so that the wire forms a generally triangular web with a flat side of the triangle defining a cutting area. The material to be cut is mounted above the cutting area on a block dovetailed to slide vertically on a base, with a piece of the material on a platform fixed to the lower end of the block.
Patent NL-7410677-A (NL)
Title: Union with screwed socket - has socket end fitting onto hollow spherical body with openings on end of pipe
IPC: F24H9/12
Filed: 1974-08-08
Abstract: The union is particularly for plate radiators, having one or more openings connecting pipes to the radiator which is not parallel to the socket cross-section. It has one or more hollow spherical bodies adjacent to the socket, with radiator connection openings, and the end portion of the socket fits into this body. The mating faces of the nipples on the end of the pipe are chamfered, and fit onto faces on the radiator elements to make a watertight seal. The radiator elements are reinforced at this point, so that the whole assembly can be clamped together without distorting the radiator elements.
Patent NL-7507121-A (NL)
Title: Tunable UHF oscillator with capacity diode in current circuit - has resistor to junction with capacitor feeding variable voltage at long time constant
IPC: H03B5/04
Filed: 1975-06-16
Abstract: Tunable UHF oscillator with a variable capacity diode and a capacitor connected in the current circuit. The capacitor (29) has a capacity which is several times smaller than the maximum capacity of the variable capacity diode (28). A resistance (32) is connected to the junction point between the variable capacity diode and the capacitor. This is used to feed the variable tuning voltage to the variable capacitor diode. The time constant which is formed by the resistance and the capacitor is smaller than 10 times the period of the lowest oscillator frequency. It is in the region of three time the length of the period of the lowest oscillator frequency.
Patent NL-7507331-A (NL)
IPC: C07B61/00
Filed: 1975-06-19
Abstract: 1463923 3 - Acetoxy - 2 - methylpropionaldehyde BAYER AG 22 May 1975 [22 June 1974] 22266/75 Heading C2C The novel compound 3-acetoxy-2-methylpropionaldehyde is prepared by hydroformylation of allyl acetate in the presence of a metal carbonyl which has been prepared in the absence of allyl acetate, and is catalytically hydrogenated to give 3-acetoxy-2-methylpropanol which on treatment with methanol and a base give 2-methyl-1,3-propanediol.
Patent NL-7701557-A (NL)
Title: Steering control for carriages moving along flat track - using two sections with optical detectors and light intensity meters on track
IPC: G05D1/02
Filed: 1977-02-14
Abstract: Carriage steering control selectively controls movement of carriages along flat track, two sections with optical detectors and light intensely meters are used on the track. Each section is divided in a number of sub-sections of which the exits are coupled to a maximum detector whose exit via a divider is coupled to the entries of the respective sub sections. Two adding devices have their outputs coupled to a deducting device which in turn via a rectifier and an inverter in series is coupled to a second rectifier.
Patent NL-8004206-A (NL)
Title: Benzyl di:hydroxy tetra:hydro:isoquinoline hydrochloride prepn. - by reacting sodium tri:methoxy:phenyl glycidate with di:hydroxyphenyl ethylamine
IPC: C07D217/20
Filed: 1980-07-22
Abstract: In prepn. of 1-1-(3,4,5-trimethoxy benzyl)6,7-dihydroxy-1, 2,3,4-tetrahydro isoquinoline-hydrochloride salt (I), sodium-3-(3, 4,5-trimethoxy phenyl)glycidate (II) is reacted with 3,4-dihydroxyphenyl ethylamine-hydrobromide salt (III) in the presence of L(+)tartaric acid and acetic acid. In the reaction, (II) is continuously or gradually added to the reaction mixt. of the (III) and ~(+) tartaric acid and acetic acid and the resulting reaction cpd. is purified and suspended in acetone and it is treated with a highly conc. hydrochloric acid and the hydrochloride salt is re-crystallised with a mixed solvent of methanol-ether. (I) is medically used for dilating bronchus.
Patent NL-8202636-A (NL)
IPC: C07D295/08
Filed: 1982-06-29
Abstract: The invention relates to new piperazine derivatives of the general formula   <IMAGE> I  in which R' and R2 each represents 1, 2 or 3 halogen atoms, which may be the same or different, R3 represents a hydrogen atom or 1, 2 or 3 halogen atoms, X represents a hydroxy, C1-4 alkoxy, phenylcarbamoyloxy or C1-4 alkylcarbamoyloxy group, Y represents a hydrogen atom or a C1-3 alkyl group, or X and Y together with the carbon atom to which they are linked represent a carbonyl group, m is 1, 2 or 3, n is 0 or 1, with the proviso that m+n is at most 3, and their acid addition and quaternary ammonium salts. Other features of the invention are processes for the preparation of compounds of formula I, pharmaceutical preparations comprising a compound of formula I.
Patent NL-8400249-A (NL)
Title: Item surface-treatment equipment with liquid - has vessel in closed housing with opposite inlet and outlet
IPC: B05C3/09
Filed: 1984-01-27
Abstract: The equipment treats the surface of an item with a liquid, having a vessel for the latter with inlet and outlet for the item in line. The vessel (2) is contained in a closed housing (3), the inlet and outlet (4,5) being directly opposite each other and connected to the walls. The housing interior is connected to atmosphere only via the inlet and outlet. A vacuum is generated inside it by an exhauster (17) connected to it. A collector vessel can be formed in the housing below the vessel (2), which is open at toe top, with a pump returning the fluid.
Patent NL-8503093-A (NL)
Title: Contaminated ground steam-cleaning method - delivers excavated ground to mixing vessel with steam inlet and outlet
IPC: B09C1/06
Filed: 1985-11-11
Abstract: The method cleans contaminated ground by passing steam through it. The steam with dirt is then discharged and the contaminated water cleaned. The excavated ground after initial treatment is fed to a heated mixing vessel, where it is stripped during mixt. with the steam. The vessel has a steam inlet and an outlet for the dirt-laden steam, while the cleaned ground is discharged from the vessel. Treatment can be carried out on the batch principle, a positive mixer being used as the mixing vessel.
Patent NL-8900647-A (NL)
Title: Hospital bath tub lifting mechanism - has vertical guide, hydraulic, piston-cylinder unit, and flexible hose
IPC: A61G7/10
Filed: 1989-03-16
Abstract: A hydraulic operating mechanism for vertically lifting a bath tub includes a flexible rubber or plastics hose (17) whose ends are bent inwards to form rims (16, 18) which are connected to discs (15-19). These are positioned at right angles to the direction of movement of the tub (1). The bath tub (1) has a support (2) consisting of two plates (3) at one side connected to the tub and on the other side to a U-profile (4). The mechanism further includes vertical tubes (5) provided with rollers (6) incorporated in profiles (7), which are part of guide mechanism (8) with a foot plate (9).
Patent NL-9200864-A (NL)
Title: Portable motor vehicle
IPC: B62M13/04
Filed: 1992-05-15
Abstract: The invention relates to a portable motor vehicle with a chassis, front wheels, rear wheels, a power source which drives one of the wheels, and a fold-down steering wheel. A first embodiment of the motor vehicle furthermore has a fold-down saddle which increases safety and user- friendliness. A second embodiment of the motor vehicle has a freewheeling device which increases the safety and the user-friendliness. The freewheeling device comprises an auxiliary chassis in which the wheel driven by a friction roller is accommodated and which is connected to the chassis in such a manner that the friction roller is pressed onto the driven wheel by the body weight of a rider.
Patent NL-9301748-A (NL)
Title: Game of skill with a standing catapult
IPC: A63B69/40
Filed: 1993-10-08
Abstract: The invention relates to a sporting/recreational game which requires a certain amount of skill in practising with a type of enlarged handheld catapult of extraordinary size (approximately chest height), with the ability to stand on its own, on its handle, embedded in the ground or on top of the ground or floor in a so- called parasol base. This catapult is used to try to aim a ball at a target over a relatively long distance when standing up and using both hands at the same time, the target being, for example, a tower of cans on a table or a gong which is suspended from a gallows.
Patent NL-9302164-A (NL)
IPC: E04C2/54
Filed: 1993-12-13
Abstract: Method and device for the application of (ventilation) tape (8) to the top edge of a cavity sheet (1) comprising at least two parallel plates (14,15) which are kept at a distance from each other and are separated by means of spacers. The outer surfaces of the plates are covered with a protective foil and, for the application of the tape, this foil must first be removed; the tape (8) must then be applied and finally the foil is re-applied. One thing and another is achieved by partially rolling the foil onto the mantle of a conveyor path transporting the cavity sheet (1) before the tape is applied, then applying the tape and finally rolling the foil off the roller again and sticking it to the plate. <IMAGE>
Patent PT-66506-A (PT)
Title: Process for the preparation of novel cyclopropanecarboxylic acid esters
IPC: C07C43/295
Filed: 1977-05-03
Abstract: Cpds. of formula (I) (where X and Y are F, Cl, or Br; R1 is 1-5C alkyl; and R2 is H or CH3) are new. Cpds. (I) are partic. active against insects injurious to plants. They also show good activity against flies, e.g. Musca domestica, and mosquito larvae. (I) are used in combination with synergists or potentiators of pyrethroids, e.g. piperonyl butoxide or propynyl ethers. Specific (I) include alpha-methyl-3-phenoxybenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate, prepd. e.g. by reacting 2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylic acid chloride with 3-phenoxy-alpha-methylbenzyl alcohol in toluene in the presence of pyridine.
Patent PT-72463-A (PT)
Title: Inorganic foam
IPC: B32B5/18
Filed: 1981-02-05
Abstract: Prills comprise one or more layer minerals (I). The density of the prod. is pref. less than 0.4, more pref. less than 0.2 g./ml., and (I) is pref. one or more of.
Patent PT-74281-A (PT)
Title: Process for preparing novel antibiotic thiazolidin-4-carboxylic acid derivatives
Inventor: SCHIENA MICHELE DI
IPC: C07D/
Filed: 1982-01-14
Abstract: Thiazolidine-4-carboxylic acid derivs. with antibiotic properties of formula (I) are prepd. by reaction of cpd. formula (II) with cpd. formula (III), between -40 deg.C and 30 deg.C. In the formulae R is H, 1-4C alkyl, phenyl, methoxyphenyl, acyl or trimethyl-silyl (which can be eliminated by hydrolysis and substd); R1 is H, (in)organic cation, a radical capable of giving in-vitro metabolic activation, etc; Y is H, alkoxy, or radical able to form a mixed or homogeneous anhydride; n can be 0 or 1, and the oxygen atom can make the carbon atom assymetric, resulting in D or L configurations.
Patent PT-82718-A (PT)
IPC: H01F41/08
Filed: 1986-06-05
Abstract: An improved toroidal core attaching device for a winding device for toroidal coils including a receptacle sleeve held on a pivotable arm to receive the toroidal core, the core and receptacle being pivotable on the arm into the orbit of an annular wire magazine. The receptacle sleeve is open in a region of its generated surface which is directed to the center of the magazine in the winding position and the receptacle sleeve and toroidal core form a clamp therebetween for an end of the wire. The open region of the receptacle sleeve forms an access opening for the clamping area.
Patent PT-87293-A (PT)
Inventor: ANGELASTRO MICHAEL R
IPC: C07J1/00
Filed: 1988-04-21
Abstract: This invention is directed to 17 beta -(cyclopropyloxy)androst-5-en-3 beta -ol and related compounds and also to a method for using such compounds in the treatment of androgen-dependent disorders. The ethers are prepared by using the Simmons-Smith reaction and an appropriate vinyl ether.
Patent PT-88142-A (PT)
Inventor: CHIESI PAOLO
IPC: A61K31/505
Filed: 1988-07-29
Abstract: Controlled release oral pharmaceutical compositions, containing Trapidil, characterized by the use of hydroxypropylmethylcellulose having suitable viscosity and functional groups contents as base carrier, and of an organic acid to balance the pH, are described.
Patent PT-88956-A (PT)
Inventor: BIANCHINI WILLIAM L
IPC: A43B5/00
Filed: 1988-11-08
Abstract: A shoe having a uniquely shaped platform along the rear peripheral edge of the insole, which is constructed of a rigid backpart material. By combining it with a construction of a specially molded outflange counter and using a sturdy stitched lasting construction fastening securely the outward flange of the counter with the specially lasted molded leather upper together with the outward extension of the specially shaped insole platform, a stable support system is formed to control the lateral and longitudinal orientation of the foot when walking. The forepart of the shoe may be of moccasin, Strobel modified welt-type or other construction which provides varying degrees of flexibility.