Patents Assigned to BASF
  • Patent number: 5552487
    Abstract: The present invention relates to a thermoset powder coating composition and method of application. The coating includes a copolymer having a reactive functionality selected from the group consisting of epoxy, carboxy, and hydroxy functionalities and mixtures thereof, a suitable crosslinking agent capable of reaction with the reactive functionality on the copolymer, and an aliphatic or aromatic crystalline, hydroxyl containing compound having a melting point of between 30.degree. C. and 150.degree. C. and a flow control agent. The powder coating is a pigmented or clear coat powder composition applied over a primer layer.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: September 3, 1996
    Assignee: BASF Corporation
    Inventors: Peter D. Clark, Cynthia A. Stants, Richard J. Foukes
  • Patent number: 5552458
    Abstract: The present invention is a composition comprising an optically variable pigment modified with a silane functional compound and a copolymer which is a polymeric backbone having a reactive functionality thereon to react with the silane functional compound. The invention also includes a process for treating the optically variable pigment, and a coating composition containing the treated optically variable pigment.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: September 3, 1996
    Assignee: BASF Corporation
    Inventors: Jon R. Hall, Clint W. Carpenter, Stuart K. Scott
  • Patent number: 5549198
    Abstract: The invention relates to parallelepipedal packaging containers for recording media in tape form which are wound up onto hubs provided with internal bores and are stacked one on top of the other, comprising a bottom part, a top part and side parts, which are joined to one another by means of molded-on film hinges, and it being possible for a hub support to be pushed through the internal bores of the hubs.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: August 27, 1996
    Assignee: BASF Magnetics GmbH
    Inventors: Hartmut Thiele, Hermann Brandstetter, Jose Toral, Rainald Hiller, Bernd Scholtysik, Gottfried Lutz, August Liepold
  • Patent number: 5549853
    Abstract: Azo dyes of the formulaW(--X--Y--Chr).sub.n,wheren is 2 to 6,y is C.sub.1 -C.sub.6 -alkylene,Chr is the radical of a mono- or polyazo dye,X is a radical of the formula CO--O or O--CO andW is an n-valent radical which is derived from an unsubstituted or substituted C.sub.2 -C.sub.20 -alkane, an unsubstituted or substituted C.sub.4 -C.sub.7 -cycloalkane, an unsubstituted or substituted benzene or an unsubstituted or substituted naphthalene, or, if n is 4, is also silicon,and their use in nonlinear optics or for dyeing or printing textile materials are described.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: August 27, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Beckmann, Karl-Heinz Etzbach, Karl Siemensmeyer, Ruediger Sens
  • Patent number: 5547998
    Abstract: There is now provided storage stable polyol compositions and polyisocyanate based rigid dosed cell foam made by reacting an organic isocyanate with polyol compositions in the presence of a blowing agent, where the polyol composition contains at least:a) an aromatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;b) an aliphatic amine initiated polyoxyalkylene polyether polyol having an hydroxyl number of 200 meq polyol/g KOH or more;and the blowing agent is at least cyclopentane in an amount of 7 weight percent or more based on the weight of the polyol composition; and further, the cyclopentane blowing agent is soluble in the polyol composition, and the amount of the aliphatic amine initiated polyoxyalkylene polyether polyol is 10 weight percent or less based on the weight of the polyol composition.
    Type: Grant
    Filed: November 1, 1995
    Date of Patent: August 20, 1996
    Assignee: BASF Corporation
    Inventors: Walter R. White, III, James A. Mullins
  • Patent number: 5548036
    Abstract: Process for the preparation of polymers of aspartic acid by reacting (a) maleic anhydride and (b) ammonia and/or primary or secondary amines without diluent in the (a):(b) molar ratio of 1:0.1 to 1:3 to give monoamides of maleic acid, fumaric acid or their ammonium salts at up to 100.degree. C. and subsequent condensation of the reaction products, with or without compounds capable of cocondensation, at above 100.degree. C. and, where appropriate, hydrolysis of the condensates and use of the polymers as scale inhibitor, as dispersants for pigments and as additive to detergents and cleaners.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: August 20, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Kroner, Heinrich Hartmann, Gunnar Schornick, Richard Baur, Birgit Potthoff-Karl, Volker Schwendemann, Alexander Kud
  • Patent number: 5547608
    Abstract: The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular weight from 100 to about 10,000 and an effective amount of internal mold release composition (B) having a silicon-containing polymer (a) and an epoxidized ester (b). The invention further provides an SRIM polyurethane composition useful in the preparation of molded polyurethane articles having internal mold release properties, the composition comprising an isocyanate component (I) and the isocyanate reactive polyol composition (component (II)) disclosed above. In another aspect of the invention, the invention provides methods of using the claimed compositions as well as the rigid cellular polyurethane SRIM articles resulting from such processes.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: August 20, 1996
    Assignee: BASF Corporation
    Inventors: Richard P. Harrison, Bari W. Brown, Richard C. Rossio, Gladys M. Aviles, Edward M. Dexheimer, David Ho
  • Patent number: 5547477
    Abstract: Dye mixtures useful for dyeing or printing textile fibers or fabrics contain from 40 to 75% by weight, based on the weight of the dyes, of a dye of the formula ##STR1## where R is C.sub.1 -C.sub.4 -alkyl and n is 1 and from 25 to 60% by weight, based on the weight of the dyes, of a dye of the abovementioned formula where R is C.sub.1 -C.sub.4 -alkyl and n is 2.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: August 20, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Arno Lange, Helmut Degen, Gunther Lamm, Helmut Reichelt, Dieter Wegerle
  • Patent number: 5548037
    Abstract: A process for preparing melt spun polymeric fiber made from polymerized amide monomers includes the steps of pigmenting the polymer, incorporating within the polymer sufficient SO.sub.3 H groups or salts thereof to give the polymer a sulphur content of between about 10 and about 160 equivalents per 10.sup.6 grams polymer and thereafter chemically blocking with a chemical blocking agent a portion of amino end groups present in the sulphonated polymer.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: August 20, 1996
    Assignee: BASF Corporation
    Inventors: Matthew B. Hoyt, Andrew M. Coons, III, David N. Dickson
  • Patent number: 5545235
    Abstract: A process for transferring dyes from a transfer to plastic-coated paper by diffusion or sublimation with the aid of an energy source comprises using a transfer on which there is or are one or more pyridone dyes of the formula ##STR1## where X is nitrogen or CH,R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or substituted or unsubstituted phenyl, or R.sup.1 and R.sup.2 are together with the nitrogen atom joining them together a heterocyclic radical,R.sup.3 is C.sub.3 -C.sub.10 -alkyl or C.sub.5 -C.sub.7 -cycloalkyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl,R.sup.5 is cyano, substituted or unsubstituted carbamoyl, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or benzimidazolyl, andR.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: August 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Rudiger Sens, Karl-Heinz Etzbach
  • Patent number: 5545757
    Abstract: A process for producing mixtures of mono-, di- and triethanol-amine by reacting ammonia and ethylene oxide in a cooled tubular reactor at temperatures from 110.degree. to 160.degree. C. and pressures from 50 to 120 bar comprises using ammonia and ethylene oxide in a molar ratio from 1:1 to 100:1 and ammonia in the form of a from 60 to 99.99% strength aqueous solution and adding from 1 to 80% of the ethylene oxide in from one to ten aliquots over from 10 to 70% of the total length of the tubular reactor.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: August 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Hammer, Werner Reutemann
  • Patent number: 5545363
    Abstract: A process for preparing melt spun polymeric fiber made from polymerized amide monomers includes the steps of pigmenting the polymer, incorporating within the polymer sufficient SO.sub.3 H groups or salts thereof to give the polymer a sulphur content of between about 10 and about 160 equivalents per 10.sup.6 grams polymer and thereafter chemically blocking with a chemical blocking agent a portion of amino end groups present in the sulphonated polymer.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: August 13, 1996
    Assignee: BASF Corporation
    Inventors: Matthew B. Hoyt, Andrew M. Coons, III, David N. Dickson
  • Patent number: 5545664
    Abstract: Substituted phenoxymethylphenyl derivatives I ##STR1## X is .dbd.CH--OCH.sub.3, .dbd.C--CH.sub.3 or .dbd.N--OCH.sub.3 ; R.sup.1 is, inter alia,R.sup.2 and R.sup.3 are, inter alia,H, halogen, CN, NO.sub.2, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.2 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 --C.sub.2 -haloalkoxy;R.sup.4 is, inter alia,CN, Cl, Dr, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkylthio or C.sub.1 -C.sub.4 -haloalkoxy;R.sup.5 is, inter alia,NO.sub.2, CN, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -haloalkoxy;n is 0-4; Y is --O--, --NH--, --N(CH.sub.3)--; R.sup.6 is H, C.sub.1 -C.sub.4 -alkyl.The compounds are useful for controlling pests and fungi.
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: August 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhard Kirstgen, Klaus Oberdorf, Hubert Sauter, Herbert Bayer, Wassilios Grammenos, Harald Rang, Volker Harries, Gisela Lorenz, Eberhard Ammermann
  • Patent number: 5545677
    Abstract: The present invention is a composition comprising an optically variable pigment modified with a silane functional compound and a copolymer which is a polymeric backbone having a reactive functionality thereon to react with the silane functional compound. The invention also includes a process for treating the optically variable pigment, and a coating composition containing the treated optically variable pigment.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: August 13, 1996
    Assignee: BASF Corporation
    Inventors: Jon R. Hall, Clint W. Carpenter, Stuart K. Scott
  • Patent number: 5543226
    Abstract: Magnetic recording media consist of a nonmagnetic substrate and at least one magnetizable layer bonded thereon and based on a magnetic material dispersed in at least one polyurethane and one polyurethaneurea (meth)acrylate, the polyurethaneurea (meth)acrylate being obtained by reacting a hydroxyl-containing poly(meth)acrylate with a mixture of di- and polyisocyanates and converting the remaining NCO groups with ammonia or primary or secondary amines into urea groups.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: August 6, 1996
    Assignee: BASF Magnetics GmbH
    Inventors: Michael Bobrich, August Lehner, Hermann Roller, Rudolf Suettinger, Ria Kress, Norbert Schneider, Werner Lenz, Peter Engelhardt, Peter Rudolf, Gregor Brodt, Werner Balz, Albert Kohl
  • Patent number: 5543515
    Abstract: A process for preparing tertiary amine oxides with a low nitrosamine content by reacting a tertiary amine with an aqueous solution of hydrogen peroxide, which comprises using as starting material tertiary amines whose total content of primary and secondary amines is not more than 0.05% by weight.
    Type: Grant
    Filed: August 3, 1994
    Date of Patent: August 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Koehler, Hardo Siegel, Guenther Seybold
  • Patent number: 5542821
    Abstract: A plate-type diaphragm pump is composed of an inlet valve member containing two inlet plate structures, an outlet valve member containing two outlet plate structures, and a diaphragm member preferably containing one or two plates, the plate structures being plates or plate sections. A first inlet plate structure has a first inlet channel section and a first valve-seat, a second inlet plate structure has a second inlet channel section and an inlet flexible element, a first outlet plate structure has a first outlet channel section and a second valve-seat, and a second outlet plate structure has a second outlet channel section and an outlet flexible element. The inlet and outlet flexible elements, respectively disposed between the inlet channel sections and the outlet channel sections, have free ends disposed for movement onto and off of the respective first and second valve-seats to respectively prevent or permit fluid flow between the respective inlet and outlet channel sections.
    Type: Grant
    Filed: June 28, 1995
    Date of Patent: August 6, 1996
    Assignee: BASF Corporation
    Inventor: Jeffrey S. Dugan
  • Patent number: 5543459
    Abstract: Graft polymers are obtainable by free radical polymerization of(A) monomers or monomer mixtures of(a) from 10 to 100% by weight of open-chain N-vinylcarboxamides(b) from 0 to 90% by weight of other, carboxyl-free moneothylenically unsaturated monomers which are copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers containing two or more ethylenically unsaturated, non-conjugated double bonds in the molecule,in the presence of(B) natural substances containing saccharide structures, such as mono-, oligo- and polysaccharides,in a weight ratio (A):(B) of from 95:5 to 20:80 and, if required, subsequent hydrolysis of the amido groups of the polymerized monomers (a) of the graft polymer with formation of amino groups, and said polymers are used as dry and wet strength agents for paper, board and cardboard.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: August 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinrich Hartmann, Walter Denzinger, Michael Kroener, Claudia Nilz, Friedrich Linhart, Andreas Stange
  • Patent number: 5543568
    Abstract: A process for the preparation of .alpha.,.beta.-unsaturated .beta.-oxycarboxylic acid chlorides of the formula I ##STR1## where R.sup.1 is a C-organic radical, and R.sup.2 and R.sup.3, independently of one another, are hydrogen or a C-organic radical, comprises carrying out the addition reaction of an enol derivative of the formula II ##STR2## with a compound of the formula IIIa, IIIb or IIIc ##STR3## and converting the resultant acid chloride of the formula ##STR4## into I by elimination of hydrogen chloride (HCl).
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: August 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Jochem Henkelmann, Lutz Tietze
  • Patent number: 5543076
    Abstract: The chiral group of the formula ##STR1## is used as a constituent of liquid-crystalline compounds.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: August 6, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Carsten Tschierske, Fritz Theil, Detley Joachimi