Patents Represented by Law Firm Millen and White
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Patent number: 4835196Abstract: A process for the production of a free flowing filled elastomer powder by combining an elastomer latex with a filler suspension is disclosed wherein the combining of elastomer latex and filler suspension takes place in the presence of about 0.1-15 parts by weight--calculated per 100 parts by weight of elastomer solid in the elastomer latex--of a high-molecular-weight amine with quaternary nitrogen functions and with an average molecular weight of about 10.sup.4 to 10.sup.8.Type: GrantFiled: March 2, 1987Date of Patent: May 30, 1989Assignee: Huels AktiengesellschaftInventors: Michael Mueller, Walter Kleinert
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Patent number: 4744832Abstract: The application relates to a pearlescent pigments based on platelet-like substrates, such as mica, which are coated with metal oxides, the metal oxide layer containing titanium and also iron, wherein the pigment has a multi-layer structure in which a first layer of TiO.sub.2 in the rutile form is followed by a layer of pseudobrookite and an iron oxide layer.Type: GrantFiled: August 7, 1986Date of Patent: May 17, 1988Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Klaus D. Franz, Klaus Ambrosius
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Patent number: 4708986Abstract: The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degredation at high temperature in the presence of H.sub.2 O, to which is admixed a second synthetic resin, present as an aqueous latex, at temperatures in the range of 150.degree.-300.degree. C. and under a pressure in the range of 1-100 bar under the effect of high shear forces, for a time sufficient to provide the desired molding composition without substantially degrading the polycondensation resin.Type: GrantFiled: September 13, 1985Date of Patent: November 24, 1987Assignee: Huels AktiengesellschaftInventors: Christian Gerth, Michael Droscher
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Patent number: 4606845Abstract: New bicyclohexylethanes of formula IR.sup.1 --Cy--Cy--CH.sub.2 CH.sub.2 --A--(Cy).sub.n --R.sup.2 (I)wherein R.sup.1 is alkyl; R.sup.2 is alkyl, in which one or two non-adjacent CH.sub.2 groups can be replaced by O atoms, or is F, Cl, Br, CN, --COOalkyl or --O--CO-alkyl; or one of the radicals R.sup.1 and R.sup.2 can also be H; A is Cy, or 1,4-phenylene which is unsubstituted or substituted by one or two F and/or Cl atoms and/or CH.sub.3 groups or by a CN group; Cy is 1,4-cyclohexylene and n is 0 or 1; the alkyl groups in each case containing 1-10 C atoms, with the proviso that n is 1 if A is Cy and R.sup.2 is CN,can be used as constituents of dielectrics for electrooptical display elements.Type: GrantFiled: May 14, 1984Date of Patent: August 19, 1986Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Michael Romer, Rudolf Eidenschink, Joachim Krause, Bernhard Scheuble, Georg Weber
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Patent number: 4592759Abstract: Coarse coal particles are pulverized to at least 70% passing through a standard 200 mesh screen in the presence of water in an amount to form aqueous coal slurries having a coal concentration from 60 to 80% by weight. The pulverization is carried out also in the presence of polyether typed polyoxyalkylene adducts having a high molecular weight with polyols having at least three active hydrogen atoms, phenol/aldehyde condensates of polyalkyleneimines, or derivatives of these adducts.Type: GrantFiled: February 17, 1984Date of Patent: June 3, 1986Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.Inventors: Akihiro Naka, Tominobu Mayuzumi, Hiroshi Sugiyama
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Patent number: 4570709Abstract: A method for effecting logging or servicing operations in a predetermined zone of a well, following an initial portion thereof, comprising fastening a logging or servicing tool body at the end of a string of rods lowered into the well, said tool body being provided with an electric male connector, lowering at the end of an electric transmission cable, from the surface, a female connector adapted to fit the male connector, coupling said female and male connectors by the action of a force generated at least partly by the pressure of a fluid pumped through the string of rods, supplying electric power, through said transmission cable and said connectors, to said logging or servicing tool for its operation in said predetermined zone, and with rotating means located between the string of rods and said tool, rotating the tool without rotating the whole string of rods.Type: GrantFiled: April 5, 1984Date of Patent: February 18, 1986Assignee: Institut Francais du PetroleInventor: Christian Wittrisch
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Patent number: 4498999Abstract: Buildings are advantageously heated or heat-conditioned with a heat pump operated with a non-azeotropic mixture consisting essentially of two working fluids, with the mixture comprising a major component of monochlorodifluoromethane (R 22) and a minor component of trifluoromethane (R 23).Type: GrantFiled: November 2, 1982Date of Patent: February 12, 1985Assignee: Institut Francais du PetroleInventors: Claude Ramet, Alexandre Rojey
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Patent number: 4460553Abstract: Process for hydrodesulfurizing a gas comprising together methane, at least one organic sulfur compound and oxygen, characterized by the step of passing a mixture of said gas with a hydrogen containing gas on a palladium catalyst at a temperature of 300.degree. to 450.degree. C.The gas usually comprises at least 2 mg/Nm.sup.3 of sulfur as organic sulfur and 0.05 to 2% by volume of oxygen.Type: GrantFiled: February 15, 1983Date of Patent: July 17, 1984Assignee: Institut Francais du PetroleInventors: Andre Deschamps, Jean Cosyns, Jean-Francois Le Page
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Patent number: 4253539Abstract: Device for generating acoustic waves by implosion in a fluid medium comprising fluid-operated means to move a piston, having one end face in contact with said fluid, from a retracted position in the enclosure to a spaced apart position of maximum extension towards the exterior of the enclosure or vice versa and intermittent locking means for maintaining the piston at its spaced apart position, said fluid-operated means being actuated by two sources of fluid at different pressures, one of which is said fluid medium and the other a source of lower pressure.Type: GrantFiled: February 2, 1979Date of Patent: March 3, 1981Assignee: Institut Francais du PetroleInventor: Pierre Magneville
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Patent number: 4080446Abstract: 2-(4,5-BIS-P-CHLOROPHENYLOXAZOL-2-YL-MERCAPTO)-PROPIONIC ACID AND ITS PHYSIOLOGICALLY ACCEPTABLE SALTS IS USEFUL FOR SUPPRESSING AGGREGATION OF THROMBOCYTES, PARTICULARLY WHEN ADMINISTERED IN COMBINATION WITH ASPIRIN.Type: GrantFiled: November 4, 1976Date of Patent: March 21, 1978Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Gotz Leopold, Reinhard Lissner, Jurgen Maisenbacher, Werner Mehrhof, Joachim Gante
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Patent number: 4005047Abstract: New catalytic composition of improved activity in the process of polymerizing cycloolefins, comprising a carbonyl compound or a carbonyl-metal-carbenic compound of molybdenum or tungsten and titanium tetrachloride, said composition being preferably subjected to an irradiation with rays of a wave length from 180 to 700 nanometers during or before use.Type: GrantFiled: February 4, 1975Date of Patent: January 25, 1977Assignee: Institut Francais du PetroleInventors: Yves Chauvin, Dominique Commereuc, Daniel Cruypelinck, Jean-Pierre Soufflet
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Patent number: 4004020Abstract: Prostaglandins of the formula ##STR1## wherein R.sub.1 is hydroxymethyl, carboxy, aryloxycarbonyl, alkoxycarbonyl of 1-8 carbon atoms in the alkoxy group, or the group -COO-CH.sub.2 -U-V wherein U is a direct C-C bond, carbonyl or carbonyloxy and V is phenyl substituted by phenyl, alkoxy of 1-2 carbon atoms or halogen; R.sub.2 is hydroxy and R.sub.3 is a hydrogen atom or R.sub.2 and R.sub.3 collectively are an oxygen atom; A is -CH.sub.2 -CH.sub.2 or trans-CH=CH; B is -CH.sub.2 -CH.sub.2 or CH=CH; one of R.sub.4 and R.sub.5 is hydroxy and the other is a hydrogen atom; R.sub.6 and R.sub.7 each are alkyl of 1-10 carbon atoms or collectively are alkylene of up to 7 carbon atoms and with 2-3 carbon atoms in the chain, phenylene or naphthylene; R.sub.8 is a hydrogen atom or alkyl of 1-5 carbon atoms; ##STR2## when R.sub.2 is hydroxy and R.sub.3 is a hydrogen atom or is ##STR3## or -CH=CH- when R.sub.2 and R.sub.3 collectively are an oxygen atom; or, when R.sub.Type: GrantFiled: December 19, 1974Date of Patent: January 18, 1977Assignee: Schering AktiengesellschaftInventors: Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Wolfgang Losert, Olaf Loge
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Patent number: 4002670Abstract: Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R.sub.1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R.sub.2 is straight-chain alkyl or alkoxy of 1-7 carbon atoms with the proviso that when n is 0, R.sub.1 and R.sub.2 together contain at least 4 carbon atoms, which form nematic phases, can be produced by reacting a phenol of the general formula ##STR2## wherein R.sub.2 has the values given above, and p is 0, 1 or 2 or a corresponding phenolate, with an aromatic carboxylic acid of the general formula ##STR3## wherein R.sub.1 has the values given above, and q is 0, 1 or 2, and the sum p + q is n, or with a reactive derivative of this acid.Type: GrantFiled: August 3, 1972Date of Patent: January 11, 1977Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventor: Ralf Steinstrasser
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Patent number: 4001302Abstract: 9,10-Secoestranes, useful as intermediates in the total synthesis of steroids, of the formula ##STR1## WHEREIN N IS 1 OR 2, R.sub.1 is lower alkyl, R.sub.2, R.sub.3 and R.sub.4 are hydrogen, alkoxy or acyloxy, X is free or ketalized carbonyl or free, esterified or etherified hydroxymethylene, and Y is carbonyl or dialkoxymethylene are produced by condensing, in the presence of a basic catalyst, ##STR2## WHEREIN X, n, R.sub.1, R.sub.2, R.sub.3, R.sub.4 have the values given above, and Z is Cl, Br or I, to produce a 9,10-secoestrane of the above formula wherein Y is a free carbonyl group, which can then, if desired, be ketalized to a corresponding compound wherein Y is dialkoxymethylene or like ketal group.Type: GrantFiled: April 21, 1975Date of Patent: January 4, 1977Assignee: Schering AktiengesellschaftInventors: Ulrich Eder, Gregor Haffer, Jurgen Ruppert, Gerhard Sauer, Rudolf Wiechert
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Patent number: 4001411Abstract: 2-Acyl-4-oxo-hexahydro-4H-pyrazino[2,1-a]isoquinoline derivatives of the formula ##STR1## wherein COR is the acyl radical of an up to 26 carbon atom acid and their physiologically acceptable acid addition and quaternary ammonium salts, are anthelmintics and can be produced by reacting 4-oxo-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinoline with an acid or a reactive functional derivative thereof.Type: GrantFiled: December 16, 1974Date of Patent: January 4, 1977Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Jurgen Seubert, Herbert Thomas, Peter Andrews
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Patent number: 4001343Abstract: Process for manufacturing dicyclohexanol propane by hydrogenating, with molecular hydrogen, in the presence of a hydrogenation catalyst, diphenol propane dissolved in 2 ethyl-hexanol, adding water at the end of the reaction, distilling the reaction product and separating from the distillate an aqueous phase and a 2 ethyl-hexanol phase, the latter being reused as solvent for the reaction.Type: GrantFiled: May 9, 1975Date of Patent: January 4, 1977Assignee: Institut Francais du PetroleInventors: Jean Gaillard, Christian Lassau
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Patent number: 4001298Abstract: Triiodized N-methyldicarboxylic acid anilides of the Formula ##STR1## wherein R.sub.1 is hydrogen, halogen, carboxyl, N-monoacylamino, N-monoalkoxyacylamino, N-alkyl-N-acylamino, N-alkyl-N-alkoxyacylamino, N,N-diacylamino, N-acylaminomethyl, ##STR2## wherein A is alkylene of 2 or 3 carbon atoms which can be interrupted by an oxygen atom, and R.sub.3 and R.sub.4 are each hydrogen, lower alkyl or hydroxyalkyl, or R.sub.3 and R.sub.4 together with the nitrogen atom form a 5 to 7 member heterocyclic ring which can contain a further oxygen, nitrogen, or sulfur hetero atom; R.sub.2 is halogen, hydroxy, lower alkoxy, hydroxyalkoxy or alkoxyalkoxy; and X is straight or branched alkylene of 2-14 carbon atoms interrupted by one or more oxygen or sulfur atoms, and the salts of these compounds with physiologically compatible bases are valuable radiopaque agents.Type: GrantFiled: August 17, 1972Date of Patent: January 4, 1977Assignee: Schering AktiengesellschaftInventors: Heinz Gries, Heinrich Pfeiffer
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Patent number: 4001741Abstract: A glass having a softening temperature (E.sub.W) between 596.degree. and 634.degree. C. and a working temperature (V.sub.A) between 792.degree. and 863.degree. C., said glass being produced from a melt having a composition expressed in percentages by weight as follows:______________________________________ SiO.sub.2 50.9 to 60.4, B.sub.2 O.sub.3 1.5 to 11.5, Al.sub.2 O.sub.3 2.5 to 5.3, Li.sub.2 O 0.75 to 3.0, Na.sub.2 O 6.0 to 15.0, K.sub.2 O 0 to 3.8, Li.sub.2 O + Na.sub.2 O 8.0 to 17.3, Li.sub.2 O + Na.sub.2 O + K.sub.2 O 11.0 to 19.7, CaO 0 to 1.5, BaO 0 to 12.9, ZnO 0 to 7.3, PbO 0 to 17.5, BaO + PbO 7.0 to 17.8, Fe.sub.3 O.sub.4 3.3 to 5.0, F.sub.2 0 to 0.7, Sb.sub.2 O.sub.3 0.05 to 0.1, Sugar 0.05 to 0.1.Type: GrantFiled: January 28, 1976Date of Patent: January 4, 1977Assignee: Jenaer Glaswerk Schott & Gen.Inventors: Otto Lindig, Werner Sack
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Patent number: 4001137Abstract: Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R.sub.1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R.sub.2 is straight-chain alkyl or alkoxy of 1-7 carbon atoms with the proviso that when n is 0, R.sub.1 and R.sub.2 together contain at least 4 carbon atoms, which form nematic phases, can be produced by reacting a phenol of the general formula ##STR2## WHEREIN R.sub.2 has the values given above, and p is 0, 1 or 2 or a corresponding phenolate, with an aromatic carboxylic acid of the general formula ##STR3## WHEREIN R.sub.1 has the values given above, and q is 0, 1 or 2, and the sum p + q is n, or with a reactive derivative of this acid.Type: GrantFiled: June 24, 1975Date of Patent: January 4, 1977Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventor: Ralf Steinstrasser
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Patent number: 4000332Abstract: High protein, low calorie dairy spread water-in-oil emulsions having a 20-65% aqueous phase are produced employing as the aqueous phase a protein concentrate having a 13-20% protein content and obtained as a by-product in the manufacture of butter from sour buttermilk, buffered at 6-7 with citrate and phosphate buffering salts, and as the fat phase butter oil optionally mixed with a polyunsaturated vegetable oil, emulsifying the aqueous phase into the fat phase at 38.degree.-50.degree. C., flash pasteurizing the emulsion, optionally adding flavoring agents before or after emulsifying and pasteurization, and then cooling the emulsion, first to 20.degree.-14.degree. while working the emulsion as it solidifies, and then to storage temperature, e.g., 12.degree.-8.degree. C.Type: GrantFiled: April 10, 1975Date of Patent: December 28, 1976Assignee: Mjolkcentralen, Ekonomisk ForeningInventors: Olof Bo Sven Strinning, Karl-Erik Thurell