baber/WOPTO huggingface dataset:
Patent FR-2034793-A1 (FR)
Title: Phosphonic acid deriv prepn
IPC: C07F9/564
Filed: 1970-03-10
Abstract: Phosphoric acid deriv. prepn. The cpds. of formula where R' is H or lower alkyl, R'' is R' or acyl deriv X is O or S, Y and Z each are -OR, -SR or -NR1R2 the dotted lines represent a single double bond when the ring nitrogen atom is unsubstituted, n is 0 or 1, R is H or a hydrocarbon group and R1 and R2 each are H, a hydrocarbon group an alkoxy or an acyl group, and their salts when at least one of Y and Z is -OH or -SH and cyclic derivs. when Y and Z combined are the residue of a polyfunctional hydrocarbon compd. e.g. cis-(2-methyl-3-aziridinyl)-phosphonic acid, are prepd. by (1) irradiating an azide (2) reacting an amine R'NH2 with a compd. where X' is hal or the olefin obtained on dehydro-halogenation or (3) reacting an aziridine with a halophosphonic acid deriv. The compd. are antibacterial agents.
Patent FR-2116523-A1 (FR)
Title: Thermosetting bis-spiro epoxides - by epoxidation of the correspondin olefinic diacetal for surface coatings
IPC: C07D493/10
Filed: 1971-12-03
Abstract: The diepoxides are:- where R1, R2 are H, aliphatic, cycloaliphatic, araliphatic or aromatic (pref. 1-4C alkyl) or form an alkylene radical together (di or tri-methylene) Z is bivalent aliphatic or cycloaliphatic (contg. one or more O atoms) araliphatic or aromatic; n is 1 or 2. The cpds are colourless crystals and can be hardened with amines as well as anhydrides or polycarboxylic acids for use in laminates, paints, varnishes, adhesives or sealants.
Patent FR-2175628-A1 (FR)
Title: Electrochemical cell - contg lithium anode and an ether-base electrolyte
IPC: H01M6/16
Filed: 1972-03-16
Abstract: Electrochemical element (pref. of the button type) comprises a negative electrode consisting of an alkali metal (pref. Li); a positive electrode contg. CuO, Ag2CrO4, PbCrO4 with addn. of a polymerised fluorine-contg. hydrocarbon; and an electrolyte contg. a soluble cpd. (pref. LiClO4) in a satd. ether contg. >=1 oxygen atom with a free electron pair selected from dioxane, dioxolane and propylene oxide; the two latter cpds. can be mixed with 10-50% (w.r.t. the solvent mixt.) of propylene- or ethylene-carbonate. This solvent has high solvation ability so that the prods. of the electrochemical reaction of the Li electrodes are readily dissolved and polarisation of this electrode is prevented. The electroconductivity of the electrolyte is high.
Patent FR-2148022-A1 (FR)
Title: Dialysis membrane - contng adsorbent material coated with a polymeric membrane of controlled porosity
IPC: B01D15/00
Filed: 1972-07-25
Abstract: Adsorbent material with high specific selectivity contains a porous granular support (active carbon of 60% porosity and specific surface 600 m2/g, alumina, alumino-silicate, clay, fuller's earth etc.) of high specific surface coated with a polymeric membrane (e.g. polyacrylamide, polyvinyl alcohol, polyvinyl pyrrolidone etc.) of controlled porosity. The membrane is part treated with gamma-rays, U.V. etc. to effect controlled crosslinking. The product is used in dialysis where it provides a replacement for semipermeable membranes, being stronger and having high specificity.
Patent FR-2153086-A1 (FR)
Title: Carpet-cleaning shampoo - contg mixt of anionic surfactants
IPC: C11D1/12
Filed: 1972-09-18
Abstract: Shampoo forming a stable, completely drying foam having good cleaning action (esp. w.r.t. synthetic fibres) contains (a) an alpha-olefinesulphonate and (b) salt(s) of condensn. prods. of fatty acids with hydroxyalkanesulphonic acids and/or N-methylaminoacetic acid.
Patent FR-2208123-A1 (FR)
Title: Evaluation of hydrocarbon deposits in a given strata - processing borehole diagraphy data
IPC: G01V11/00
Filed: 1972-11-29
Abstract: Automatic treatment of diagraphy data of the type in which measurements are produced representative of a number of subsoil characteristics e.g. in the exploration of a borehole for an oil well by; (a) selecting levels corresponding to a pre-determined assembly of these and calculating for each such level a statistical function of the measurements of >=1 characteristic of the subsoil and (b) determining the value of one extreme of this statistical function and where appropriate the level to which it corresponds. Spec. the diagraphy data embodies a series of variable parameters for e.g. depth borehole diameter, apparent poresity, mean density etc., which generally have extreme values in argillaceous strata.
Patent FR-2220531-A1 (FR)
Title: Synthesis of penicillins from 6-amino penicillanic acid - by acylation with acid chlorides using hexamethylphosphotriamide as solvent
IPC: C07D499/12
Filed: 1973-03-06
Abstract: Penicillins of formula (I):-(where Z is an opt. mono-or polysubstd. alicyclic, aromatic or heterocyclic gp.) are prepd. by (a) reacting ZCOOH with a chlorinating agent (esp. POCI3 and/or PCI5) in hexamethylphosphotriamide (HMPT) to form ZCOC1 and (b) reacting the ZCOC1 with 6-aminopenicillanic acid in HMPT. The use of HMPT as solvent increases the yield and gives high-purity (I) without the need for additional purification.
Patent FR-2231429-A1 (FR)
Title: Electrophoresis equipment - with electrophoretic gel layer on belt carrier layer
IPC: G01N27/447
Filed: 1973-05-28
Abstract: The belt, with associated transport mechanism, is moved as reqd. over a support table above the level of the 2 buffer soln. tanks within chamber, sepd. by a wall lying in the axis of the belt and each contg. one electrode with external terminal. A cover over the top of the tank has an aperture above the gel in which the medium to be treated by electrophoresis is placed and on each side of the apertures a layer of absorbent material, pressing on the edge strips of the gel layer, this absorbent material being carried down into the 2 compartments on rigid wings passed through windwos in the support table so that buffer soln completes the electrical circuit to the gel.
Patent FR-2241743-A1 (FR)
Title: Luminous vehicle control switch or lever - has phosphorescent covering or sheet or an internal bulb
IPC: G05G1/06
Filed: 1973-07-13
Abstract: The accessory is for use on the controls of vehicles such as brake, throttle, window winders etc., and comprises a phosphorescent product fitted in the control concerned, or supports covered with this product. Alternatively, a light bulb can be fitted inside the control concerned to render it luminous. A phosphorescent sheet can be placed under the transparent surface of a control handle knob or phosphorescent material may be placed in recesses in the surface of the knob. Typically the recesses are formed as letter indicating on or off positions or lines showing the outline of the control.
Patent FR-2244871-A1 (FR)
Title: Method of assembling bridge box sections - involves anchoring bars in aligned cavities of adjacent sections
IPC: E01C5/00
Filed: 1973-09-24
Abstract: The box sections are placed in abutting relationship and are placed under compression by cables (9), (10) passing through the decks of the sections. Correct positioning of the sections is ensured by profiled end faces (4, 5, 6, 7). Cavities in the end faces are aligned when the sections are positioned and receive concrete (13) which anchors steel bars (11, 12) locking the sections together and transmitting tension. The cavities may be inclided or curved with their ends opening onto the upper or lower faces of the decks. The cavities are formed by using removable mandrels positioned in the section moulds.
Patent FR-2209737-A1 (FR)
IPC: C07C29/52
Filed: 1973-10-31
Abstract: 1413035 Process for the oxidation of hydrocarbons BAYER AG 19 Oct 1973 [8 Dec 1972] 48827/73 Heading C2C The invention comprises a process for oxidizing a C 4 - to C 20 -hydrocarbon in which the hydrocarbon is reacted with a gas comprising molecular oxygen in the presence of a boron compound; the resulting reaction mixture, containing at least one basic acid ester, is hydrolysed by an aqueous medium containing boric acid; the hydrolysate is separated into a substantially organic component, from which the required oxidation product is obtained, and into a substantially aqueous component, containing boric acid and one or more water-soluble organic secondary products; boric acid is recovered from the aqueous component; the residual boric acid mother liquor, or part thereof, is oxidized in the liquid phase with a gas comprising molecular oxygen at a temperature of at least 200‹ C. and under a pressure sufficient to keep at least some of the water in the liquid phase; and the resulting solution is returned to the hydrolysis medium. The gas for the oxidation of the boric acid mother liquor preferably contains oxygen in at least the stoichiometric quantity sufficient for burning all the organic impurities in a reaction zone heated to at least 200‹ C. under a pressure sufficient to keep at least some of the water in the liquid phase.
Patent FR-2250957-A1 (FR)
Title: Refuse incinerator with gasifier and burner - prevents oxidation of metallic refuse and uses afterburner heat for oxidation
IPC: F23G5/027
Filed: 1973-11-12
Abstract: Incomplete combustion takes place in the first combustion chamber of the incinerator and gas is produced from the organic refuse. The second combustion chamber used as afterburner is used for complete combustion of the gases generated. Heat generated in this second chamber is used for gasification of refuse in the first chamber. This arrangement ensures that the metallic components in the refuse in the first chamber are not oxidised, and also prevents contamination of the atm. air by inorganic components such as metal oxides and facilitates recovery of the metals. The incinerating system has a first combustion chamber into which shredded refuse is fed by a screw. The refuse comes into contact with the cylindrical combustion chamber walls which are heated by the heat generated in the combustion chamber. The solid residue from the first chamber is returned due to the rotation of the chamber to the removal chute which has an outlet valve.
Patent FR-2256725-A1 (FR)
Title: Domestic meat tenderiser - allowing easy dismantling and cleaning, for use by two hands which prevents untimely application
IPC: A22C9/00
Filed: 1974-01-08
Abstract: Domestic meat tenderiser for individual portions comprises a frame with a plate on which the meat portion is plate, arms mounted above the plate and bearing a head provided with at least one row of needles, a manually rotated camshaft cooperating with rollers mounted on the arms to ensure movement of the needle head, and a lid which rests on the frame and which has springs which rest on the arms. The head comprises a fixed plate welded between the two arms, a moving plate in front which is engaged by a cam, and between the plate a flexible plastics band across which the needles move, the cam being used to increase friction to allow normal entry of needles into the neat but cause the needles to move within the band on meeting anything hard.
Patent FR-2258679-A1 (FR)
Title: Device determining folding map reference points - has slide positioned using coordinates given in registers
IPC: G09B29/10
Filed: 1974-01-21
Abstract: A frame (1) has a rectangular opening sufficient to hold two successive folds of the map. This frame has two opposite parallel edges with identical graduations (5) carrying a series of symbols such as letters, and a slide (7) having a narrow rectangular opening whose length and width permits the simultaneous framing of two symbols. The slide also carries on its longest sides identical graduation of figures. A series of registers have lists of points of interest, with, opposite the number of the map or an administrative indication point, the numbers of two folds of the map which should be placed in the frame. The registers also give the coordinates in letters and figures corresponding to the two types of graduations on the frame.
Patent FR-2261809-A1 (FR)
Title: n-Type gallium antimonide mfr - contg sulphur and excess gallium, and exhibiting relaxation of conductivity
IPC: C30B15/00
Filed: 1974-02-27
Abstract: n-Type gallium antimonide is produced by seed-crystallisation from a melt of GaSb using the Czochralski method to obtain a single crystal of GaSb contg. alloy additions. Seed crystallisation is undertaken from a melt of GaSb with a Ga addn. of 0.04-0.k wt.% in excess of the stoichiometric amt. of Ga in the GaSb, and with the addn. of 0.001-0.01 wt.% of sulphur. The object is to obtain n-type GaSb (S) which exhibits relaxation of conductivity. Esp. used for the mfr. of tunnel diodes, and other electronic devices. When GaSb is cooled, e.g. to 90 degrees K, its specific electric resistance alters immediately to the equilibrium value at that temp. By using the invention, this alteration is delayed.
Patent FR-2269297-A1 (FR)
Title: Agricultural bale stacking machine - has support lifting bales into rows and tying mechanism for predetermined numbers
IPC: A01D85/00
Filed: 1974-05-02
Abstract: The machine assembles a large number of bales into a stack of predetermined size, and incorporates a support receiving the individual bales in succession from the baler. This lifts the bale to a position where a holding mechanism retains it, and if necessary others above it, until the support lifts another one beneath it. When a vertical row in the prescribed numbers has been formed, it slides or is thrust over a surface to the side. A mechanism is provided to bind the bales in a row together by wire or string etc., and also to tie a predetermined number of rows together. The support can be raised by a hydraulic ram, also used to discharge the bale rows along the side surface.
Patent FR-2270822-A1 (FR)
Title: Drawing table with hollow sheet metal board - has board controls extending into board core containing stiffening
IPC: A47B13/08
Filed: 1974-05-14
Abstract: The top face and bottom face of the board are made from sheet steel. Each is identical, forming a flat rectangular surface with the four edges folded at 90 deg. to form sides. One face is slightly smaller overall to fit inside the larger face. The space between is filled with a cellular construction, made from steel to form a honeycomb. This is held in place by an adhesive to form an integrated assembly. Magnets are used to retain work and the controls for manoeuvring the board can pass throug its thickness. External stiffeners are not required and the individual cells have excellent sound absorbing properties.
Patent FR-2272813-A1 (FR)
Title: Embossing roll for embossing plastic film - e.g. to be fibrillated, has profiled fluorocarbon surface
IPC: B29C69/02
Filed: 1974-05-29
Abstract: An embossing roll comprises pref. a metal cone covered with a rubber compsn. (e.g. nitrile rubber) which itself is coated with a layer of fluorocarbon (e.g. polytetrafluoromethylene), whereby the fluorocarbon layer constitutes the outer surface of the roll; this outer surface having a profiled pattern. The embossing roll is based particularly for embossing longitudinal grooves in an extruded plastic film, whereby the film can be ripped along the grooves and fibrillated to produce fibres. The fluorocarbon surface layer prevents the plastic film from sticking to the roller.
Patent FR-2234981-A1 (FR)
Title: Moulding with foam core - injected between gradually closing half moulds with closure regulating mechanism
IPC: B29C35/00
Filed: 1974-06-25
Abstract: An injection moulding appts. comprises a mould constituted of two or more parts which can be brought in motion one relative to the others to define a mould chamber; the mould closure mechanism is constructed to enable the half-moulds to be brought continuously and gradually together during injection, the mould being supplied successively from two separate injection units via a single multi-way valve which permits only one unit to inject at one time; thus it is possible for a component having a foam core but a dense outer skin to be moulded with a continuous closure of the mould squeezing the material laterally as it is introduced into the mould. A control mechanism actuates the multiway valve to ensure switching over from the skin material to the core material while the half-moulds are still in relative motion. Pref. a number of limit switches actuated by the position of the half-moulds and also the positions of the two separate injection units controls the sequence of mould closure restraint, first injection, second injection and return to first injection to close the sprue.
Patent FR-2234864-A1 (FR)
Title: Wettable water-insol. biocidal powders - contg. a sulphosuccinate for good dispersibility and wetting with little foaming
IPC: A01N25/14
Filed: 1974-07-01
Abstract: Biocidal wettable powders are wetted more satisfactorily by including a sulphosuccinate of formula (I): (where R = a methylenic branched 10-13C hydrocarbon in end-posn.; M = alkali metal atom or ammonium ion; and R1 = as for M or R). Pref. (I) is i-C10H21 -O-CO-CH2-CH(SO3Na)-COONa.
Patent FR-2261989-A1 (FR)
Title: Decorating glass articles - by heating and then locally quenching with coloured solvent
IPC: C03B31/00
Filed: 1974-07-12
Abstract: Method of decorating glass comprises heating it gradually to a uniform high temp. throughout its mass, then locally quenching it with a solvent liquid contg. dissolved colouring matter, along lines forming a predetermined pattern. The local tension set up by the sudden cooling produces surface cracks into which the colouring matter deposits as the solvent evaporates.
Patent FR-2287067-A1 (FR)
Title: Data buffer between processor and principal memory - permits addressing of principal memory with cycle loss by central processing unit
Inventor: VINOT DANIEL RENE
IPC: G06F12/0855
Filed: 1974-10-04
Abstract: The data processing system has a buffer reading memory. It has a buffer writing memory and a data input/output buffer memory for the peripheral units arranged between the principal memory and control unit. Each buffer memory has means for exchanging data with the central unit so that the number of bits transferred by writing or reading cycles are the same whatever buffer is read or written. Each buffer memory exchanges data with the principal memory so that the number of bits transferred is a multiple of the number of bits transferred between the buffers and the central unit.
Patent FR-2281470-A1 (FR)
Title: Composite sheet for flat roof - has support sheet insulation covered with bitumen felt; waterproof layer
IPC: E04D3/35
Filed: 1974-12-09
Abstract: The supporting sheet has perpendicular side rims bent upwards, in which rests the foam insulating layer which in turn is covered by an impermeable layer of roofing felt, or a synthetic layer. Spaced along one of the lengthwise edges of the composite sheet are cavities in the insulating layer extending down to the supporting sheet. The two adjacent sheets are interlocked along the lengthwise or crosswise rims by means of cups placed over the adjacent rims and possessing U-shaped hooks placed inside the cavities. An insulating strip covered by an elastic strip is placed in the join between two composite sheets. Reinforcement slats made of wood or synthetic material or metal may be positioned along the longitudinal edges of the composite sheets.
Patent FR-2295603-A1 (FR)
Title: Automatic selector switch operating in response to supply voltage - using two switching means with given threshold voltages
IPC: H02P4/00
Filed: 1974-12-20
Abstract: The automatic selector switch is used for a device which can be supplied from several different voltage sources, e.g. AC or DC, and operates in response to the supply voltage to provide the correct voltage for the device. It employs two electronic or electromechanical switching means, which each operate a given threshold voltage level an each control an inverter (1, 2) which is brought into the working position when the respective switching means operates. The selector switch may be used for a motor (M), with the inverters (1, 2) used to select the correct transformer coil for supplying the operating voltage to the motor, in dependence on the mains voltage from which the device is supplied.
Patent FR-2297162-A1 (FR)
Title: Self centering vehicle steering system - has spring loaded drum which is tightened by steering shaft movement
IPC: B62D1/16
Filed: 1975-01-10
Abstract: The steering shaft (2) is provided with an arm (4) which is firmly clamped to it and able to pull an inextendable steel wire anchored to a spring loaded drum (7) able to turn on an axis parallel and at a radial distance from that of the steering shaft axis. The drum (9) contains a strong spiral spring (11) whose inner end is fixed to the drum spindle and (10) outer end to the drum periphery. The drum radius is exactly chosen to correspond with the pull wire length to allow a complete revolution of the steering shaft in both directions. The arm is of a greater radius than the shaft, so that the largest torque tends to keep the wheel centred with a lower torque at either side.
Patent FR-2324841-A1 (FR)
Title: Double headed sprung telescopic catch - has truncated cone latch ends and locating dowels in door mounted yoke
IPC: E05D11/10
Filed: 1975-06-24
Abstract: The double headed sprung telescopic catch is for use in holding automobile doors in the open position. The catches comprise axially aligned cowels (5a,5b) which are coupled by an intermediary coil spring (C). The spring forces the cowel heads (10) to project beyond fixed guidage sleeves (4a,4b), and they engage aligned holes (11a,11b) in a pivoting yoke (2). The cowel heads (10) are of truncated cone form obtg. a robust hard wearing detail. The yoke (2) is mounted on the door and also locates the door hinge pin. The hinge pin is mounted on a plate which cantilevers from the door post, and this plate also supports the catch.
Patent FR-2319707-A1 (FR)
Title: Low alcohol content beer from 54 to 56 percent fermented wort - by adding aq. soln. of hops
IPC: C12G3/08
Filed: 1975-08-01
Abstract: Process comprises using a wort used in normal beer making and fermenting until the sugar conversion is 54-56% and adding an aq. soln. contg. hops in sufficient quantity to obtain a beer having an alcoholic degree =1 degree. Previous processes for obtaining weak beer have had the disadvantages of either giving an inferior flavour or being costly or requiring very careful control. The above process is well adapted to normal brewing, is simple, gives a good flavour without any malt taste.
Patent FR-2333265-A1 (FR)
Title: Shutter with optically controlled aperture - uses 2-mirror interferometer with body whose absorption may be saturated
IPC: G02F1/21
Filed: 1975-11-28
Abstract: The shutter has an optically controlled aperture and comprises a two-mirror interferometer (2, 4) which is transparent at a known wavelength, a body (8) placed between the two mirrors whose absorption may be saturated at this particular wavelength, and an optical system (10) which sends an optical pulse into the body at a selected instant. This pulse is able to saturate the body's absorption. The obturator is thus transparent at the given wavelength when the body's absorption is saturated during the light pulse duration, and is reflecting when the absorption is not saturated outside the duration of the light pulse. The interferometer may be of the Fabry-Perot type with two plane parallel mirrors (2, 4). The device may be used in the extraction of optical energy from a laser tube.
Patent FR-2340065-A1 (FR)
Title: Fitted waistband for slacks, etc. - by sewing with twin-needle machine that stretches one edge of the band as it sews
IPC: D05B35/06
Filed: 1976-02-04
Abstract: A waistband for (esp. women's) slacks, etc., made of a straight piece of cloth which is folded over, hemmed to the garment and top sewn along the folded edge, is fitted by making the hemmed edge (pref. 1-10%) longer than the folded edge; this is effected by cutting out the band in a direction which allows the cloth to stretch, blocking the stretching at the folded edge and applying it to the hemmed edge.