Patents Assigned to BASF
  • Electrodeposition coating composition comprising crosslinked microparticles
    Patent number: 5506284
    Abstract: An electrodeposition coating composition is described comprising:(a) an aqueous dispersion of a water-dispersible, electrically-depositable, at least partially neutralized cationic resin, and(b) polymer microparticles, said polymer particles being prepared by:(1) blending an acid-neutralized tertiary amino-functional acrylic polymer and a polyepoxide,(2) dispersing the blended mixture in an aqueous medium to form a dispersion of microparticles of the blended mixture, and(3) heating the dispersion to crosslink the acrylic and polyepoxide in the microparticles.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: April 9, 1996
    Assignee: BASF Corporation
    Inventor: John McGee
  • Preparation of copolymers of monoethylenically unsaturated monomers containing acid groups and N-vinyllactams
    Patent number: 5506315
    Abstract: Copolymers are prepared from monoethylenically unsaturated monomers containing acid groups and N-vinyllactams and, if required, other monoethylenically unsaturated monomers by copolymerization of monomers in the presence of free radical polymerization initiators by a solution polymerization method in water at a pH of at least 6, by a process in which an alkali metal base or an alkaline earth metal base or a mixture thereof is used for establishing the pH of the aqueous reaction solution.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: April 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Meyer, Walter Denzinger, Axel Sanner, Heinrich Hartmann
  • Process for removing aluminum ions from beer or fruit juice
    Patent number: 5505973
    Abstract: A process for removing aluminum ions from beer or juice, in which the beer or fruit juice is contacted with from 5 to 2500 g per 100 l of a polymer which contains, as copolymerized units, from 50 to 99.5% by weight of at least one basic vinyl heterocycle having a pK.sub.a of at least 3.8 and from 0 to 49.5% by weight of another copolymerizable monomer, and which was prepared in the absence of oxygen and polymerization initiators and in the presence of from 0.5 to 10% by weight, based on the monomers, of a crosslinker.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: April 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Berhard Fussnegger, Juergen Detering
  • 1,1,1,2-tetrafluoroethane as a blowing agent in integral skin polyurethane shoe soles
    Patent number: 5506275
    Abstract: It has been found that 1,1,1,2-tetrafluoroethane (HFC-134a) may be used alone or in combination with water as blowing agents in flexible integral skin foams. Foams prepared using HFC-134a alone or in combination with water exhibit physical characteristics such as resistance to abrasion and cracking on flex comparable to conventional chlorinated fluorocarbon blown foams. The foams of the present invention are suitable for use in shoe sole applications.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: April 9, 1996
    Assignee: BASF Corporation
    Inventor: Valeri L. Valoppi
  • Preparation of polyacetals, use thereof and novel polyacetals
    Patent number: 5506332
    Abstract: A process for preparing polyacetals by copolymerization of glyoxylic esters with other copolymerizable monomers in the presence of anionic or cationic polymerization initiators, with or without the introduction of stable end groups and with or without hydrolysis of the copolymerized units of glyoxylic ester present in the copolymer comprises using as monomers cyclic formals derived from diols, homopolymers of formaldehyde, trioxepane or mixtures thereof, although up to 50% by weight of this group of monomers may be replaced by other customary copolymerizable monomers, and the poly(acetal-carboxylate)s thus obtainable are useful as additives in reduced-phosphate and phosphate-free detergents and cleaners, as water treatment agents and as dispersants for finely divided substances.
    Type: Grant
    Filed: February 2, 1995
    Date of Patent: April 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Angelika Funhoff, Graham E. McKee, Heinrich Hartmann, Richard Baur, Alexander Kud, Volker Schwendemann
  • Benzyl derivatives and pesticides containing them
    Patent number: 5506263
    Abstract: Benzyl derivatives of the formula I ##STR1## where A is CH.sub.2, CHCl, CH-alkyl, CH-alkoxy, CH-alkylthio or N-alkoxy,B is OH, alkylthio, alkoxy or alkylamino,U, V, W are hydrogen, halogen, alkyl or alkoxy,D is ##STR2## where R' is hydrogen or alkyl andR is hydrogen, alkyl, cycloalkyl, haloalkyl, halocycloalkyl, cycloalkylalkyl, alkoxyalkyl, alkylthioalkyl, arylthioalkyl, aryloxyalkyl, aryl, arylalkyl, hetaryl, hetaryl-alkyl, hetaryloxyalkyl or heterocyclyl, and fungicides containing these compounds.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: April 9, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz
  • Preparation of 9-(Z)-retinoic acid
    Patent number: 5504230
    Abstract: A process for preparing 9-(Z)-retinoic acid from mother liquors from the industrial preparation of C.sub.15 -triarylphosphonium salts of the general formula I ##STR1## where R.sup.1 to R.sup.3 are each aryl and X.sup..crclbar. is halogen or (HSO.sub.4).sup..crclbar., in an organic solvent, which comprisesA. increasing the proportion of 9-(Z)-C.sub.15 -triarylphosphonium salt in the C.sub.15 -triarylphosphonium salts isolated from the mother liquor by treatment with isopropanol at elevated temperature, cooling and separating off the all-(E)-C.sub.15 -triarylphosphonium salt which has crystallized out,B. subjecting the resulting C.sub.15 -triarylphosphonium salt to a Wittig reaction with an alkyl .beta.-formylcrotonate of the general formula ##STR2## and C. hydrolyzing the resulting oily retinoic ester mixture in a C.sub.3 -C.sub.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael John, Joachim Paust
  • Peptides, their preparation and use
    Patent number: 5504189
    Abstract: Antitumor peptides of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings stated in the description, and the preparation thereof.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz Emling, Andreas Haupt, Michael Kluge, Matthias Kroner, Gerhard Haas, Ulrich Schmidt, Helmut Griesser, Bernd Riedl
  • Toughened partly aromatic copolyamides
    Patent number: 5504146
    Abstract: Thermoplastic molding materials contain, as essential components,A) 40-95% by weight of a partly aromatic copolyamide having a triamine content of less than 0.5% by weight, consisting essentially ofA.sub.1) 20-90% by weight of units derived from terephthalic acid and hexamethylenediamine,A.sub.2 5-50% by weight of units derived from .epsilon.-caprolactam andA.sub.3) 0-80% by weight of units derived from adipic acid and hexamethylenediamine, andB) 5-60% by weight of fibrous or particulate fillers or mixtures of these.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Goetz, Christoph Plachetta, Uwe Wolf, Gerd Blinne, Horst Reimann
  • Process for the production of a two-coat finish, and aqueous paints suitable for this process
    Patent number: 5503939
    Abstract: The invention relates to a process for the production of two-coat finishes, in which a pigmented aqueous basecoat is applied, the basecoat obtained is coated over with a clearcoat, and basecoat and clearcoat are baked together. The process according to the invention is distinguished in that the aqueous basecoat contains an emulsion polymer which has been prepared in the presence of a reaction product (A), the reaction product (A) being obtained by reacting(i) a butadiene homo- or copolymer,(ii) at least one fatty acid of a drying oil or at least one drying oil or a mixture of at least one fatty acid of a drying oil and at least one drying oil, and(iii) maleic anhydridein a mass ratio of (i):(ii):(iii)=1.0:0.1 to 0.6:0.1 to 0.6 and, after adding a basic aqueous solution, converting the reaction product to an aqueous dispersion.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Lacke + Farben, AG
    Inventors: Heinz P. Rink, Susanne Piontek, Bernhard Lettmann, Stefan Wieditz, Birgit Peitz, Achim Gast
  • Preparation of o-chloromethylbenzoyl chlorides
    Patent number: 5504249
    Abstract: A process for preparing o-chloromethylbenzoyl chlorides of the formula I ##STR1## where m is 0 or an integer from 1 to 4 andX is halogen or C-organic radicals,entails reacting a corresponding lactone of the formula II ##STR2## with thionyl chloride in the presence of a catalyst.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Isak, Herbert Bayer, Michael Keil, Thomas Wettling
  • Processability of hydrocarbon blown, polyisocyanate based foams through use of a compatibilizing agent
    Patent number: 5504125
    Abstract: There is now provided a polyisocyanate-based foam made by reacting an organic polyisocyanate with a polyol solution containing a C.sub.4 -C.sub.7 aliphatic and/or cycloaliphatic hydrocarbon as a blowing agent. The hydrocarbon blowing agent is soluble in the polyol solution having polyols with polyester linkages by using a reacted or unreacted compatibilizing agent represented by the formula: ##STR1## wherein R.sup.1 is preferentially OH, and R.sup.2 is a C.sub.6 -C.sub.24 aliphatic, branched or unbranched, hydrocarbon group.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: April 2, 1996
    Assignee: BASF Corporation
    Inventors: Thomas L. Fishback, Thomas B. Lee
  • Carbodiimides and/or oligomeric polycarbodiimides based on 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, their preparation, and their use as hydrolysis stabilizers
    Patent number: 5504241
    Abstract: There is now provided a carbodiimide or polycarbodiimide of the formula: ##STR1## where the R radicals are identical or different and are selected from the group consisting of --NHCONHR.sup.1 --, --NHCONR.sup.1 R.sup.2 --, and --NHCOOR.sup.3 --, where R.sup.1 and R.sup.2 may be identical or different and are alkyl, cycloalkyl, or aralkyl, and R.sup.3 is identical to R.sup.1 or is alkoxypolyoxyalkylene, and n is an integer from 0 to 10.There is also provided an ester containing plastic which contains this carbodiimide as an anti-hydrolysis agent. The plastics may be a polyurethane cellular or non-cellular elastomer or thermoplastic.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Siegmund Pohl, Friedhelm Lehrich, Manfred Genz, Bernd Bruchmann, Helmut Tesch, Roland Minges, Joachim Streu
  • Preparation of .alpha.-carbonylphosphine oxides
    Patent number: 5504236
    Abstract: The preparation of .alpha.-carbonylphosphine oxides by oxidizing an .alpha.-hydroxyalkyl phosphine oxide with an organic hydroperoxide or of an organic peroxy acid in the presence of a compound of a Group IV to Group VIII metal in the periodic table, and novel .alpha.-hydroxybenzyl phosphine oxides..alpha.-Carbonylphosphine oxides are used as photoinitiators for polymerizable compositions.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Fischer, Eckhard Hickmann, Rudolf Kropp, Jochen Schroeder, Beate Trentmann
  • Polyalkylpiperidinyl-containing .beta.-aminoacrylic ester derivatives
    Patent number: 5504211
    Abstract: A polyalky-piperidinyl-containing .beta.-aminoacrylic ester derivative represented by the formula I ##STR1## is useful in stabilizing plastic and paints against light, oxygen and heat.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Aumueller, Alfred Krause, Hubert Trauth
  • Synthesis of aliphatic C.sub.2 -C.sub.22 carboxylic acids
    Patent number: 5504229
    Abstract: Synthesis of aliphatic C.sub.2 -C.sub.22 carboxylic acids by oxidation of relevant aldehydes with oxygen in the presence of alkali metal compounds or alkaline earth metal compounds in the liquid phase and separation of the reaction mixture by distillation, in which the bottom product formed during distillation and containing an alkali metal salt or alkaline earth metal salt is recycled to the oxidation stage.
    Type: Grant
    Filed: August 3, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Fisher, Gerhard Fritz
  • Fungicidal mixtures
    Patent number: 5504110
    Abstract: A fungicidal mixture containinga) the oxime ether carboxamide of the formula I ##STR1## and either b. 1 the oxime ether carboxylic acid ester of the formula II ##STR2## or b.2 the methoxyacrylic acid ester of the formula III ##STR3## in a synergistically active amount is described.
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: April 2, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Horst Wingert, Bernd Muller, Hubert Sauter, Eberhard Ammermann, Gisela Lorenz, Reinhold Saur, Klaus Schelberger, Manfred Hampel
  • Production of almost colorless solutions of n-methylmorpholine oxide
    Patent number: 5502188
    Abstract: Aqueous solutions of N-methylmorpholine N-oxide having color numbers below 200 APHA, based on an N-methylmorpholine N-oxide content of 50% by weight, are produced by reacting aqueous hydrogen peroxide solutions with aqueous solutions of N-methylmorpholine having a water content of at least 35% by weight.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 26, 1996
    Assignee: BASF Corporation
    Inventors: Klemens Massonne, Gerd Konrad, Mark D. Sandison, Gregory E. Moffitt, Lawrence E. James, John Banger
  • Carbon-containing luster pigments
    Patent number: 5501731
    Abstract: Luster pigments comprising coated, plateletlike, silicatic substrates wherein the coating comprises a layer consisting essentially of carbon and aluminum oxide, chromium oxide, cerium oxide, zirconium oxide, antimony oxide or mixtures thereof, are obtainable by applying carbon-containing compounds of the metals aluminum, chromium, cerium, zirconium, antimony or mixtures thereof with or without further carbon-containing compounds of the molecular formula (CH.sub.2 O).sub.n, where n is from 1 to 6 for one monomeric unit, to the substrate particles and then thermally decomposing the carbon-containing compounds on the surface of the substrate particles under oxygen-excluding conditions.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: March 26, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Raimund Schmid, Norbert Mronga, Werner Ostertag, Helmut Schmidt
  • Azo dyes with an acetalized diazo component of the thiophene or thiazole series
    Patent number: 5502170
    Abstract: Azo dyes of the formula ##STR1## where L.sup.1, L.sup.2, L.sup.3, L.sup.4, X and K are as defined in the specification, and crystal forms of thienylazobenzene dyes are useful for dyeing or printing textile materials such as polyesters, fibers or fabrics made of cellulose esters or polyamides or blend fabrics from polyester and cellulose fibers with high color strength, good fastness properties and brilliant hues.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: March 26, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Sabine Gruettner-Merten, Helmut Reichelt, Arno Lange, Helmut Degen