baber/WOPTO huggingface dataset:
Patent DE-2640881-A1 (DE)
Title: Prepn. of (N)-phenyl-(2)-naphthylamine and opt. (2)-naphthol - by reacting (2)-naphthalene-sulphonic acid with aniline in presence of alkali metal cpds.
Inventor: SCHEIN SAMUIL MOISEJEVITSCH
IPC: C07C209/22
Filed: 1976-09-10
Abstract: N-phenyl-2-naphthylamine, spt. mixed with 2 naphthol, is prepd. by reacting a Na salt of 2-naphthalenesulphoric acid (1) with aniline at 180-400 degrees C for 0.5-60 hrs. in the presence of >=1 hydroxide and/or salt of an alkali metal. The resulting reaction water is simultaneously sepd. Pref. excess aniline is used. Pref. hydroxides are KoH and NaOH, and pref. salts are K2CO3, Na2CO3, KCl and KF. The reaction temp. is 180-290 degrees C if 2-naphthol is not required and is 290-400 degrees C if it is required. By itself, the amine is used as an antioxidant for rubbers. Mixed with 2-naphthol, it is used as a dye intermediate. The reaction is short and the ratio of prods. can be adjusted by varying the temp. In an example N-phenyl-2-naphthylamine and 2-naphthol were prepd. in yields of 22 wt. % and 76 wt. % respectively, by conducting the reaction at 310 degrees C for 40 hrs.
Patent DE-2646506-A1 (DE)
Title: Oil extraction by flooding with nonionic surfactants - based on glycol-lipid dispersions resistant to salt ions
Inventor: WAGNER FRITZ PROF DR
IPC: C09K23/00
Filed: 1976-10-15
Abstract: Extraction of oil by flooding with aq. dispersions of nonionic surfactants consisting of glycol-lipids of formula (I) or (II) In the formula, R1 to R4 are in cis or trans configuration, and are OH, alkoxy, alkylcarbonyloxy, alkyl carbonamido, or NH2; R5 is -CH2OH, -CH2NH2, alkoxy-, alkylcarbonyloxy-or alkyl carbonamide N-methyl, COOH, CONH2, alkoxycarbonyl or N-alkyl carbonamide the alkyl gps. are 8-60C. No deposit causing blocking of the pores is formed with Ca, Mg or Fe ions in the formation water, giving increased oil yields. Little or no increase in viscosity, requiring excess injection pressure, is caused. The dispersions are easily prepd. and micro-emulsion additives are not needed. The glycol-lipids are readily prepd. by bio-or chemical synthesis, or extracted from biological material.
Patent DE-2647484-A1 (DE)
Title: Herbicides for selective control of wild oats - contg. methyl chloro-phenyl chloropropionate, surfactant and mineral oil
Inventor: KIRFEL HANSKARL DR
Filed: 1976-10-21
Abstract: Herbicides for selective control of wild oats (Avena fatua) in cereal crops contain (a) methyl 3-(p-chlorophenyl)-2-chloropropionate (I); (b) surfactant; and (c) paraffinic mineral oil. The application rate required for effective control is up to 30% lower than when (I) is used without components (b) and/or (c). The application rate is 0.5-20 (beta ref. 2-15)kg/ha. The wt. ratio of (a) to (b) is pref. 1:0.3-0.8, and the wt. ratio of (a) to (c) is pref. 1-0.5-1.75. Component (b) can be an opt. polyoxyethylated sorbitan fatty acid ester, a polyoxyethylated alkyl or alkylaryl ether, an alkyl polyglycol ether or a siloxane oil. Suitable mineral oils are "Actipron" and "BP Energol WT 61" (RTM'S).
Patent DE-2647945-A1 (DE)
Title: Tool changing arm for automatic machine tool - has sliding jaws hinged on opposite sides of rotating shoulder for transfer from indexable tool store
Inventor: PIOTROWSKI TADENSZ WIKTOR
IPC: B23Q3/155
Filed: 1976-10-22
Abstract: The set of tools (16) for an automatic machine tool are mounted in sockets (24) spaced around the edges of the rotatable table (13). The tool changing device (14) is mounted on a rotatable support with its axis inclined at 45 deg. to the axis of the table. The tool changing device has two opposite arms (15) which are hinged about a common central shoulder. Each arm has a pair of jaws. One pair of jaws grips the tool mounted on the table whilst the other pair of jaws grips the tool mounted in the chuck (12). The arms are swung outwards and lift the tools from the table or chuck. The shoulder then rotates through 180 deg. and the arms swing downwards so that the tools are interchanged.
Patent DE-2649252-A1 (DE)
Title: Adjustable electromagnetic clutch and brake system - has ring armature coupled to shaft via torque transmitting springs
Inventor: GROSSMANN FRIEDRICH ING GRAD
IPC: F16D65/14
Filed: 1976-10-29
Abstract: The ring armature can be moved towards the electromagnet against the force of the spring in the axial direction of the shaft. The spring is designed as an annular spring (30, 42) which is connected alternately along its periphery to the ring armature and a driver coupled to the shaft. The part of the electromagnet forming the contact face for the ring armature or or a friction lining on the armature can be adjusted axially by means of an adjusting nut interacting with longitudinal thread. This nut is turned through angles of a certain size. The adjusting nut can have faces for a twool which are reached through a window in the housing.
Patent DE-2649739-A1 (DE)
Title: Transparent polyurethane elastomers prepn. - from poly:isocyanate, aromatic di:amine, poly:ol and poly:ol or aminoalcohol with urethane bond
Inventor: TAKAHASHI AKIO
IPC: C08G18/38
Filed: 1976-10-29
Abstract: Urethane elastomers are made by reacting an organic polyisocyanate simultaneously with (1) a linear polyol of mol. wt. 400-5000, (2) an aromatic diamine and (3) a polyol with >=1 urethane bond and/or an aminoalcohol with >= 1 urethane bond. The amt. of (3) used is 5-40 mol. % of (1) + (3). The component (3) is made by reacting a cpd. with an isocyanate gp. with excess polyl and/or aminoalcohol. Specific (3) are 4,4'-methylene-bis (2 chloroaniline), 4,4'-diaminodiphenyldisulphide, 4,4'-methylene bis(2-methoxyaniline), toluene-2,4-diamine, 1,5-naphalenediamine, 1,3-phenylenediamine, benzidine, 2,2'-dimethylbenzidine, bis (4-amino 3 chlorophenyl) oxide, bis (4-amino-3-methoxyphenyl)-decane etc. The polyol (1) may be a known polyester or polyether polyol such as condens. prod. of aliphatic glycol with a dicarboxylic acid chain lengthened in the usual way, polyalkylene ether glycols made by ring opening of ethylene oxide, propylene oxide, THF, etc. polyester glycols e.g. obtg. by ring opening polymerisation of epsilon-caprolactone, long chain diols, OH-terminated polybutadiene, condens prods of ethylene oxide propylene oxide or THF with a starter such as glycerine or trimethylolpropane etc. Suitable polyisocyanates e.g. TDI, m-phenylenediisocyanate, TDI dimers, 4,4'-diphenylmethanediisocyanate, 1,5-naphthalene diisocyanate etc, used at 0.9-1.3 NCO equivs. per total NH2 or OH gps. in all components. The reaction may be carried out using catalysts such as (in)organic zinc cpds. tert amines cyclic amides or quat. ammonium salts. The elastomer forming compsns. having low viscosity and good casting properties. After gelling they rapidly acquire a high initial strength and can be removed from the mould after a short time. They have good pot life and reduced tendency to phase sepn. The cured prods. have good physical properties, ageing resistance and chemical resistance. The prods exhibit reduced fluctuations in demoulding time with casting temp. than prior art systems and the prods have a consistently high transparency. The residues from the casting appts. can be washed out with excess polyol and reacted with an isocyanate cpd. to form component (3).
Patent DE-2650918-A1 (DE)
Title: Anticancer (N-2)-furanidyl-(5)-fluoro-uracil prepn. - by reacting bis-trialkylsilyl (5)-fluoro uracil with (2,3)-dihydro-furan
Inventor: SUZUKI NOBUYUKI
IPC: C07D405/04
Filed: 1976-11-06
Abstract: In a new process for the prepn. of N'-(2-furanidyl)-5-fluorouracil (I), a 2,4-bis (trialkylsilyl)-5-fluorouracil of formula (II) (where R is lower alkyl) is reacted with 2,3-dihydrofuran (III) in the presence of a catalyst (pref. a Lewis acid acid, a halogen and/or an alkali metal iodide) and of a proton donor (pref. water, and alcohol and/or an organic acid). (I) is used as an antileukaemic and antitumour agent. Because its side-effects on digestive organs are much less than those of 5-fluorouracil, it can be used for oral administration. In addn. the action of (I) is long-lasting. (I) is obtd. in high purity and good yield. In an example, (I) was obtd. in 78% yield by treating a soln. of (II; R=Me) and (III) is acetonitrile with anhydrous SnCl4 in acetonitrile followed by water in acetonitrile and reacting 5 hrs. at 40 degrees C.
Patent DE-2658126-A1 (DE)
Title: Firing control for launcher on armoured vehicle - feeds signal from limit switch on aiming handle to control system
Inventor: HESSE GUENTHER
IPC: F41G5/24
Filed: 1976-12-22
Abstract: The firing control equipment for a launcher is for an armoured fighting vehicle. The directing movement of the firearm and the combined optical and electronic aiming instruments are provided with motorised drives. An electrical control arrangement can be connected if increased aiming speeds are required which are higher than the max. values adjustable for the motorised drive system. The firearm which is linked to the aiming instrument is arranged so that the condition with increased aiming speed is electrically blocked within the electrical control arrangement. The adjustment of the aiming speed is ensured by the movement of the aiming handle. The range with higher aiming speed is connected by a limit switch arranged on the handle.
Patent DE-2701452-A1 (DE)
Title: Scrap recovery method - recovers e.g. tin and aluminium alloy or platinum contg. bearing lining material, from multilayered bearing material having steel backing
Inventor: MICHAEL ANTHONY DENNIS
IPC: C22B7/00
Filed: 1977-01-14
Abstract: The multi-layer material is heated to a temp. at which the different amts. of expansion of the components causes the bond to be severed. The material is then supplied to partially fill a container in which repeated shocks are automatically given to the material. The parted pieces are removed from the container and separated by a magnetic field or a gravitational method. Method enables the components to be sepd. economically. The recovered component can be recycled without the need for continuous supervision of the sepn. plant.
Patent DE-2716885-A1 (DE)
Title: Carburettor for vehicle IC engine - has tapered fuel regulating needle connected to air control butterfly via bevel gear (SW 16.5.77)
Inventor: HENNING ERIK
IPC: F02M7/18
Filed: 1977-04-16
Abstract: The carburettor has a cylindrical housing and a connecting collar in which the shaft bearing the throttle butterfly plate is rotatably located. To control the fuel feed a cylinder (9) with radial holes (10, 11, 12) is provided, which contains a displaceable piston (16), to which a needle valve (15) working in conjunction with a jet (14) is attached. The piston is connected to the throttle valve to synchronise their movements. The transmission component is a shaft (21) driven by the throttle valve (5), and the end of which facing the piston (16) has a worm wheel (23) engaging in a rack (18) on the piston rod (17).
Patent DE-2716911-A1 (DE)
Title: Automatically controlled electromechanical machine - uses rotation monitors and three decades of control switches and includes magnetic coupling system
Inventor: ROJAN WILLI AUGUST
IPC: G05B19/14
Filed: 1977-04-16
Abstract: The electromechanical machine has fully automatic operation and used rotating parts designed for accurate rapid and economical adjustment between operating ranges. Automatic setting up and multiple applications are facilitated. The rotating parts may consist of drive nuts or spindles, gear wheels, racks and pinions, magnetic couplings, and sensors for rotation direction and amt. of rotation. Thirty switches for three decades control the automatic machine by applying drive current until they are switched off. If an intended stopping point is exceeded the motor is reversed. Adjustment of the desired process is achieved by setting the switches after the previously operated switches are reset. Automatic control is achieved by using punched tape.
Patent DE-2721899-A1 (DE)
Title: Pneumatic ring conveyor separator - has inlet union tangential to cylindrical top part and angled outlet in cover
Inventor: BRANDAUER OTTO ING GRAD
IPC: B65G53/60
Filed: 1977-05-14
Abstract: The separator is for a pneumatic ring conveyor handling granular or powder material. It has a vertical housing with a cylindrical top part closed by a cover and a conical bottom one with a central outlet for the material. The inlet union from a conveyor tube discharges into the top part in the transverse direction, and there is an outlet union in the cover. The inlet union (20) discharges tangentially into the top part (16), while the outlet union (23) leads from the cover (22) in the direction of the swirl current thus induced, but at an angle not greater than 30 deg. to a plane perpendicular to the separator centre line (15). The centre distance from the latter to the outlet union in the radial direction is from 20 to 30% of the clear diameter (D) of the upper part (16) of the housing.
Patent DE-2725330-A1 (DE)
Title: Backflushing filter for domestic water systems - with rotatable filter element and backflushing valve
Inventor: JUX HANS
IPC: B01D29/11
Filed: 1977-06-04
Abstract: Filter, e.g. for domestic water installations, is fitted with a cylindrical filter element which can be turned around its axis in a casing. A section of the casing, which communicates with the outlet for the filtered solid particles., is thereby connected in turn with the inflow side of the filter element. The outflow side is permanently connected to the outlet for the filtered water. This creates a back-flushing filter which is simpler and cheaper than conventional designs because it does not require two elements. The whole filter are is cleaned more thoroughly because the whole backflushing water flow now acts on only a section of the whole filter element.
Patent DE-2732970-A1 (DE)
Title: N-Alkyl-carboxamide prepd. from nitrile and alkyl bromide or iodide - used as pharmaceutical and plant protection agent intermediate
Inventor: LINKE SIEGFRIED DIPL CHEM DR
IPC: C07C233/00
Filed: 1977-07-21
Abstract: Prepn. of N-alkyl-carboxyamides of formula (I): R1CONHR2 (where R1 si opt. substd. alkyl, aralkyl or aryl, R2 is opt. substd. alkyl) is carried out by reacting the corresp. nitrile R1CN (II) with a strong base and then with an alkyl bromide or iodide R2X (III); X = Br or I) in an inert solvent at 40-120 degrees C (pref. 60-90 degrees). Cpds. (I) are useful as intermediates for pharmaceuticals and plant protection agents; they also have biological activity (see e.g. DT 2218097). The process gives high yields (e.g. up to 96%) in a single reaction step without formation of dialkyl derivs. In an example, N-(n-hexyl) benzamide is prepd. from benzonitrile and n-hexyl iodide.
Patent DE-2735074-A1 (DE)
Title: Rotational friction welding appts. - has mating conical ends to align two workpieces being butt welded together
Inventor: ILLNER JOERG
IPC: B23K20/12
Filed: 1977-08-04
Abstract: Two workpieces (a, b) with different dias. and/or different lengths are joined together via rotational and axial pressure. Prior to welding, the joint surfaces of the pieces are provided with mating profiles so that the thinner and possibly longer workpiece is not displaced radially during the heating and upsetting operations. The thinner workpiece or bar is pref. provided with a pointed conical end fitting in an axial hole in the other piece; and hole pref. has a chamfered end locating the cone on the bar. The bar may also have a minor dia. or peg on its end, the peg entering the hole so that the bar cannot move away from the centreline during welding. The method is used, e.g. in mfg. pistons for hydraulic pumps, and is inexpensive.
Patent DE-2737003-A1 (DE)
Title: Workpiece grab for machine tool - has two mirror-image pivoting cranks with jaws at free ends
Inventor: SPRANG PETER DIPL ING
IPC: B23Q7/04
Filed: 1977-08-17
Abstract: The grab mechanism is particularly for a workpiece in a machine tool. It has two pivoting cranks (10, 11, 12) which are mirror-images of each other, each with a grab jaw (17) at the free end (12). Each crank can be supported at its pivot (13) and crank axes (14) by a plate at right angles to these axes.
Patent DE-2740856-A1 (DE)
Title: Demagnetising circuit for electromagnet contg. ferromagnetic material - passes current in opposite direction at switch off using common change-over contacts
Inventor: WAGNER ROBERT
IPC: H01F7/18
Filed: 1977-09-10
Abstract: The demagnetising circuit, for electromagnets containing ferromagnetic material, switches off the d.c. supply to the electromagnet (13, 14) and at the same time initiates another switching process that passes current in the opposite direction through the electromagnet. Both switching operations are accomplished with change-over contacts (12). When the electromagnet is on, the contacts connect it in parallel with a resistor (17). When the electromagnet is off, the contacts connect it in parallel with a diode (18). The resistor and diode are in series across the d.c. supply.
Patent DE-2745889-A1 (DE)
Title: Frame component assembly method - by applying pressure to force rib into groove and produce cold deformation
Inventor: FAHLBUSCH HEINZ DR ING
IPC: F16B4/00
Filed: 1977-10-12
Abstract: One of the pieces to be assembled is fitted with a groove while the other has a rib. The two components are pressed together with a force applied at the point (S). A number of different shapes may be assembled using the same groove and ring system, such as a double assembly on two sides of a beam. The elements may also be joined axially to form an extension. The material must have some elasticity and flexibility on one of the pieces.
Patent DE-2753179-A1 (DE)
Title: Delamination resistant leather imitation webs - are mfd. from matted fibre webs impregnated with plastics agents foamed and dried at elevated temp. before lamination
Inventor: WIRTH CHRISTIAN
IPC: D04H1/4334
Filed: 1977-11-29
Abstract: Leather imitation webs are mfd. (i) impregnating webs made from matted natural or synthetic fibres with bonding agent mixts. contg. one or more foamable polymers or copolymers, at least a blowing agent, and, if necessary, a plasticiser, organic solvents, pigments and known fillers and additives, (ii) expelling excess bonding agent by squeezing, (iii) foaming and drying the webs at elevated temp. and (iv) finally laminating using heat and pressure. Bulky webs having low bulk density, improved mechanical strength and permeability are also laminated permanently without danger of separation of layers in that the carrier webs and bonding agents are bonded integrally to one another.
Patent DE-2800800-A1 (DE)
Title: Cylindrical bale-press mounted on fore loader arms - has forming chamber in which crop is rolled on ground for compression and cutting into small units
Inventor: BOLLMANN HEINRICH
IPC: A01F15/07
Filed: 1978-01-10
Abstract: The bale rolling implement is mounted on a tractor front-end loader. For easy transport, the material is rolled up on the ground, compressed and cut into small units convenient in size for the end user. These are then bound together into a larger unit, easily parted by hand, and loaded by the same implement onto a trailer etc. The collector mechanism can be driven by wheels (14) also supporting it, so that it always works at a speed matching that of the vehicle on which it is mounted.
Patent DE-2805657-A1 (DE)
Title: Thermosetting aq. coating compsn. - comprises epoxy! resin and alkylated amine aldehyde resin, partic. for coating food cans
Inventor: SOMMERFELD EUGENE GARY
IPC: C08G59/64
Filed: 1978-02-10
Abstract: Thermosetting aqs. coating compsn. comprises (A) 50-97 (65-65) pts. wt. (based on A+B) of (1) an epoxy polymer contg. either (a) 2 terminal 1,2-epoxy groups per mol. and of molecular wt. 1000-5000 (1000-2500), determined by gel permeation chromatography with a polystyrene standard as reference, or (b) 10-150 randomly distributed 1,2-epoxy groups per mol. and of molecular wt. 25000-75000; the polymer having reacted until complete consumption of the epoxy groups with (2) an aqs. soln. of 1-1.25 equiv., per equiv. epoxy group of the epoxy polymer, of a tert. amine comprising cpds. R1R2R3N (where R1 and R2 are opt. hydroxylated 1-2C alkyl, and R3 is opt. hydroxylated 1-4C alkyl, pyridine, N-methyl pyrrole, N-methyl pyrrolidine and/or N-methylmorpholine); (B) 3-50 (15-35) pts. wt. (based on A+B) of a (partly) alkylated amine-aldehyde resin(s). (A) and (B) comprise pref. 0.1-50 wt.% of the coating compsn., the rest comprising water and one or more org. liquid(s) in the ratio 70:30 - 90:10 and the compsn. having a pH of 7.5-12 and opt. contg. an acid (e.g. H3PO4 or its mono- or diesters with (cyclo)aliphatic and aromatic alcohols, citric acid and/or p-toluene sulphonic acids). Used for coating metals e.g. automobiles and coils but partic. for coating cans for food and beverages. The compsn. can also be used for coating paper. It has excellent wetting properties and forms glossy coatings which are resistant to solvents, salt water, detergents and other chemicals.
Patent DE-2806824-A1 (DE)
Title: Trigger device for box trap - has spring released by trigger plate to actuate striker rods for closing trap
Inventor: BOCK ERNST
IPC: A01M23/16
Filed: 1978-02-17
Abstract: The device is for initiating the action of a base trap and uses spring rods in the inside of the trap. Spring steel can be used to clamp in a free step board. On release of the board, when the animal steps off it, striker rods strike onto columns and thus close the trap via a lever system. The spring steel can be bent into a hoop or can be a straight bar.
Patent DE-2807030-A1 (DE)
Title: Compact conveyor for empty pallets - uses endless horizontal belt swivelable about axis parallel to movement direction to carry pallets on sides
Inventor: HELZEL KURT
IPC: B65G47/248
Filed: 1978-02-18
Abstract: The empty pallets (2) are conveyed in an upright position with their narrow edges on the one (upper) strand of the endless conveyor (8) of an edge-on conveyor (13). The complete unit can swivel about a horizontal axis (20) between a horizontal position (17a) and the largely upright position so that the pallets can be discharged or placed on the conveyor. The pallets are conveyed between the edge-on conveyor and equidirectional roller conveyors. The swivel unit engages between the rollers of these conveyors. The pallets are transported between the edge-on conveyor and chain conveyors at right angles to this.
Patent DE-2807704-A1 (DE)
Inventor: KELLER HANS W DIPL PHYS
IPC: G01L9/00
Filed: 1978-02-23
Abstract: The pressure element subassembly for absolute pressure comprises a pressure element (17) which is held elastically and centred with respect to the base disc (10), and which is decoupled with respect to any mechanical stresses acting on the base disc. This avoids any corruptions of measured values which could be produced in the case of the pressure element being rigidly cemented to the base disc. This is achieved by constructing base pins (13) extending through the base disc as centering elements which resemble collared chucks, and surrounding the circumferential surface of the pressure element with an elastic insulating hose (101). <IMAGE>
Patent DE-2808179-A1 (DE)
Title: Satellite power generating source - comprises two white reflecting and two black absorbing plates fitted to rotor shaft, which revolve when contacted by light
Inventor: HILL STEFAN
IPC: F03G6/00
Filed: 1978-02-25
Abstract: The electrical current generation involves light reflecting vanes to provide motive power for generators. These vanes are attached to the shaft of a rotor, with two white reflecting radior plates on one side, and two black absorption plates on the other. As ligh hits the plates so they being to turn. The installation is located in the cosmos, and will revolve continuously, with frictional froces overcome by the energy produced and may be used as a source of energy for satellites. The available power may be transmitted to Earth from the satellite.