Patents Represented by Law Firm Millen and White
  • Patent number: 4835196
    Abstract: 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: Grant
    Filed: March 2, 1987
    Date of Patent: May 30, 1989
    Assignee: Huels Aktiengesellschaft
    Inventors: Michael Mueller, Walter Kleinert
  • Patent number: 4744832
    Abstract: 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: Grant
    Filed: August 7, 1986
    Date of Patent: May 17, 1988
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Klaus D. Franz, Klaus Ambrosius
  • Patent number: 4708986
    Abstract: 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: Grant
    Filed: September 13, 1985
    Date of Patent: November 24, 1987
    Assignee: Huels Aktiengesellschaft
    Inventors: Christian Gerth, Michael Droscher
  • Patent number: 4606845
    Abstract: 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: Grant
    Filed: May 14, 1984
    Date of Patent: August 19, 1986
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Michael Romer, Rudolf Eidenschink, Joachim Krause, Bernhard Scheuble, Georg Weber
  • Patent number: 4592759
    Abstract: 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: Grant
    Filed: February 17, 1984
    Date of Patent: June 3, 1986
    Assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.
    Inventors: Akihiro Naka, Tominobu Mayuzumi, Hiroshi Sugiyama
  • Patent number: 4570709
    Abstract: 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: Grant
    Filed: April 5, 1984
    Date of Patent: February 18, 1986
    Assignee: Institut Francais du Petrole
    Inventor: Christian Wittrisch
  • Patent number: 4498999
    Abstract: 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: Grant
    Filed: November 2, 1982
    Date of Patent: February 12, 1985
    Assignee: Institut Francais du Petrole
    Inventors: Claude Ramet, Alexandre Rojey
  • Patent number: 4460553
    Abstract: 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: Grant
    Filed: February 15, 1983
    Date of Patent: July 17, 1984
    Assignee: Institut Francais du Petrole
    Inventors: Andre Deschamps, Jean Cosyns, Jean-Francois Le Page
  • Patent number: 4253539
    Abstract: 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: Grant
    Filed: February 2, 1979
    Date of Patent: March 3, 1981
    Assignee: Institut Francais du Petrole
    Inventor: Pierre Magneville
  • Patent number: 4080446
    Abstract: 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: Grant
    Filed: November 4, 1976
    Date of Patent: March 21, 1978
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gotz Leopold, Reinhard Lissner, Jurgen Maisenbacher, Werner Mehrhof, Joachim Gante
  • Patent number: 4005047
    Abstract: 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: Grant
    Filed: February 4, 1975
    Date of Patent: January 25, 1977
    Assignee: Institut Francais du Petrole
    Inventors: Yves Chauvin, Dominique Commereuc, Daniel Cruypelinck, Jean-Pierre Soufflet
  • Patent number: 4004020
    Abstract: 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: Grant
    Filed: December 19, 1974
    Date of Patent: January 18, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Wolfgang Losert, Olaf Loge
  • Patent number: 4002670
    Abstract: 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: Grant
    Filed: August 3, 1972
    Date of Patent: January 11, 1977
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventor: Ralf Steinstrasser
  • Patent number: 4001302
    Abstract: 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: Grant
    Filed: April 21, 1975
    Date of Patent: January 4, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Eder, Gregor Haffer, Jurgen Ruppert, Gerhard Sauer, Rudolf Wiechert
  • Patent number: 4001411
    Abstract: 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: Grant
    Filed: December 16, 1974
    Date of Patent: January 4, 1977
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Jurgen Seubert, Herbert Thomas, Peter Andrews
  • Patent number: 4001343
    Abstract: 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: Grant
    Filed: May 9, 1975
    Date of Patent: January 4, 1977
    Assignee: Institut Francais du Petrole
    Inventors: Jean Gaillard, Christian Lassau
  • Patent number: 4001298
    Abstract: 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: Grant
    Filed: August 17, 1972
    Date of Patent: January 4, 1977
    Assignee: Schering Aktiengesellschaft
    Inventors: Heinz Gries, Heinrich Pfeiffer
  • Patent number: 4001741
    Abstract: 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: Grant
    Filed: January 28, 1976
    Date of Patent: January 4, 1977
    Assignee: Jenaer Glaswerk Schott & Gen.
    Inventors: Otto Lindig, Werner Sack
  • Patent number: 4001137
    Abstract: 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: Grant
    Filed: June 24, 1975
    Date of Patent: January 4, 1977
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventor: Ralf Steinstrasser
  • Patent number: 4000332
    Abstract: 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: Grant
    Filed: April 10, 1975
    Date of Patent: December 28, 1976
    Assignee: Mjolkcentralen, Ekonomisk Forening
    Inventors: Olof Bo Sven Strinning, Karl-Erik Thurell