Patents by Inventor Alexander Kud

Alexander Kud has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5399286
    Abstract: Polyacetals useful as detergent additives contain units of the formula ##STR1## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group, andm is from 0 to 9,have K values (determined by the method of H. Fikentscher on the sodium salt in 1% strength by weight aqueous solution at 25.degree. C. and pH 7) of at least 8.5, and are prepared by polymerizing compounds of the formula ##STR2## where R is hydrogen, C.sub.1 -C.sub.4 -alkyl or COOM,M is C.sub.1 -C.sub.4 -alkyl or an alkali metal, ammonium or alkanolamine group,R.sup.2 is C.sub.1 -C.sub.4 -alkyl, andm is from 0 to 9,in the presence of initiators and optionally comonomers with or without hydrolysis of the ester groups.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: March 21, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Angelika Funhoff, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Richard Baur, Volker Schwendemann, Alexander Kud, Werner Bertleff
  • Patent number: 5273676
    Abstract: Copolymers useful in amounts of from 0.1 to 15% by weight as grayness inhibiting and primary detergency boosting additives in pulverulent liquid detergents have K values of from 10 to 80 (determined by Fikentscher in dimethylformamide at 25.degree. C. with a polymer concentration of 2% by weight) and are obtainable by copolymerizing monomer mixtures of(a) from 10 to 60% by weight of water-soluble monomers obtainable from (A) water-soluble polyalkylene glycols or (B) water-soluble alkoxylated C.sub.1 -C.sub.25 -alcohols, for example by esterification with C.sub.3 -C.sub.6 -carboxylic acids, by vinylation with acetylene or by allylation with alkenyl ethers, or by reaction with ammonia to give the corresponding end group aminated compounds (A) or (B) and by reaction with monoethylenically unsaturated C.sub.3 -C.sub.6 -carboxylic acids to form the amides, and(b) from 40 to 90% by weight of vinyl esters of saturated monocarboxylic acids and/or alkyl esters of monoethylenically unsaturated C.sub.3 -C.sub.
    Type: Grant
    Filed: October 24, 1991
    Date of Patent: December 28, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Alexander Kud, Wolfgang Trieselt
  • Patent number: 5227446
    Abstract: Graft copolymers obtainable by free radical-initiated copolymerization of(A) a monomer mixture comprising(a) a monoethylenically unsaturated C.sub.4 - to C.sub.8 -dicarboxylic acid, or an anhydride, alkali metal salt or ammonium salt thereof,(b) a monoethylenically unsaturated C.sub.3 - to C.sub.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: July 13, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Denzinger, Heinrich Hartmann, Alexander Kud, Richard Baur, John Feldmann, Hans-Juergen Raubenheimer
  • Patent number: 5217642
    Abstract: Water-soluble or water-dispersible polyesters obtainable by condensation of tartaric acid or derivatives thereof alone or by condensation of mixtures of tartaric acid or derivatives thereof and citric acid with or without alcohols, water-soluble polyalkylene glycols or water-soluble polyaddition products of alkylene oxides with alcohols, fatty acids, alkylphenols or alkylamines and with or without at least dibasic carboxylic acids are suitable for use as detergent additives.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: June 8, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Richard Baur, Dieter Boeckh, Heinrich Hartmann
  • Patent number: 5179201
    Abstract: Alkyl (poly)glucoside ether carboxylates of the formula ##STR1## where R is C.sub.1 - to C.sub.24 -alkyl, C.sub.1 - to C.sub.24 -alkylphenyl, hydroxy-C.sub.2 - to C.sub.6 -alkyl, hydroxy-C.sub.1 - to C.sub.24 -alkylphenyl, ##STR2## or H, R.sup.1 is H or methyl,R.sup.2 is ##STR3## X is a hydrogen, alkali metal, ammonium and/or substituted ammonium equivalent,x is from 1 to 10, y is from 0 to 10, z is from 1 to 4,a process for the preparation of the compounds of the formula I and the use of these compounds as an additive to phosphate-free and low-phosphate detergents, are described.
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: January 12, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Alfred Oftring, Elisabeth Kappes, Richard Baur, Alexander Kud
  • Patent number: 5142020
    Abstract: Polyesters obtainable by condensation of(a) an at least dicarboxylic acid, or an ester or anhydride or a mixture thereof,(b) an at least dihydric alcohol or an addition product of from 1 to 5 mol of at least one alkylene oxide of 2 or 3 carbon atoms with 1 mol of an at least dihydric alcohol, or a mixture thereof, and(c) a water-soluble addition product of from 5 to 80 mol of at least one alkylene oxide with 1 mol of a C.sub.8 -C.sub.24 -alcohol, a C.sub.8 -C.sub.18 -alkylphenol or a C.sub.8 -C.sub.24 -alkylaminein a molar ratio of (a):(b):(c) of 100:(25-2500):(5-110) at not less than 120.degree. C. up to a weight average molecular weight of from 2000 to 50000, are used in amounts of from 0.05 to 15% by weight as grayness inhibitors and soil release promoters in detergents.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: August 25, 1992
    Assignee: Basf Aktiengesellschaft
    Inventors: Alexander Kud, Dieter Boeckh, Wolfgang Trieselt, Hans-Ulrich Jaeger, Heinrich Hartmann
  • Patent number: 5126069
    Abstract: A detergent composition contains as essential ingredients surfactants and from 0.1 to 15% by weight of water-soluble or -dispersible polymers obtainable by oxidation of polymers containing not less than 10 mol % of carboxyl-containing monoethylenically unsaturated monomers as copolymerized units and having Fikentscher K values of from 8 to 300.
    Type: Grant
    Filed: October 12, 1990
    Date of Patent: June 30, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Richard Baur, Angelika Funhoff, Walter Denzinger, Heinrich Hartmann, Hans-Juergen Raubenheimer
  • Patent number: 5025103
    Abstract: Glycerol aminocarboxylates of the formula ##STR1## where n is from 0 to 10 andR is ##STR2## where L is iminodiacetate, aspartate, glutamate, sarcosinate, glycinate, serinate, hydroxyaspartate, ethanolaminoacetate, diethanolamino, alanate or taurinate andX is hydrogen, an alkali metal, ammonium or substituted ammonium,are prepared by esterifying glycerol or polyglycerols which contain up to 10 glycerol units with maleic anhydride or itaconic anhydride and addition of compound L-H where L is as defined above to the double bonds of the esters, and are used as complexing agents.
    Type: Grant
    Filed: January 19, 1990
    Date of Patent: June 18, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Alfred Oftring, Stefan Birnbach, Rolf Fikentscher, Richard Baur, Alexander Kud, Ulrich Goeckel, Johannes Perner
  • Patent number: 4980088
    Abstract: Pulverulent and liquid detergents contain (1) one or more anionic surfactants, one or more nonionic surfactants or mixtures thereof and (2) copolymers in amounts of from 0.1 to 15% by weight preparable by copolymerization of(a) from 10 to 55 mol % of a 1,2-di-C.sub.1 -C.sub.4 -alkoxyethylene,(b) from 10 to 60 mol % of a monoethylenically unsaturated dicarboxylic anhydride of from 4 to 8 carbon atoms,(c) from 0 to 60 mol % of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid and(d) from 0 to 20 mol % of another monoethylenically unsaturated monomerand subsequent hydrolysis of the anhydride groups of the copolymerized monomer (b) or reaction of these groups with an alcohol or an amine.Preferred copolymers contain 1,2 dimethoxyethylene as the (a) monomer, maleic acid as the (b) monomer, and acrylic acid as the (c) monomer.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: December 25, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Hans-Peter Seelmann-Eggebert, Heinrich Hartmann, Dieter Koeffer, Wolfgang Trieselt, Alexander Kud, Richard Baur
  • Patent number: 4952655
    Abstract: Water-soluble copolymers having a K value of from 15 to 120 (determined on the sodium salt according to H. Fikentscher in aqueous solution at 25.degree. C., a pH of 7 and a polymer concentration of the Na salt of 1% by weight) contain, in the polymerized form,(a) from 99.5 to 80 mol % of one or more monoethylenically unsaturated C.sub.3 -C.sub.6 -monocarboxylic acids and(b) from 0.5 to 20 mol % of one or more comonomers which possess two or more ethylenically unsaturated, non-conjugated double bonds, are derived from esters and are obtainable by esterification of(b1) monoethylenically unsaturated C.sub.3 -C.sub.6 -monocarboxylic acids with(b2) polyhydric alcohols of 2 to 6 carbon atoms, polyalkylene glycols, polyglycerols, polyvinyl alcohol and monohydric, monoethylenically unsaturated C.sub.3 -C.sub.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: August 28, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Peter Seelmann-Eggebert, Dieter Boeckh, Heinrich Hartmann, Wolfgang Trieselt, Alexander Kud
  • Patent number: 4904408
    Abstract: A detergent contains as a grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers a graft polymer obtainable by grafting(a) a polyalkylene oxide which has a number average molecular weight of from 300 to 100,000 and is based on ethylene oxide, propylene oxide and/or butylene oxide with(b) N-vinlypyrrolidone and(c) a vinyl ester derived from a saturated monocarboxylic acid containing from 1 to 6 carbon atoms and/or a methyl or ethyl ester of acrylic or methacrylic acid in a weight ratio (a):(b):(c) of from 1:0.3:1 to 1:5:30, the order of the addition of (b) and (c) in the graft copolymerization being immaterial and it being possible for up to 1 mole % of the grafted-on monomers (c) to be hydrolyzed.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: February 27, 1990
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4849126
    Abstract: Detergents contain graft polymers obtainable by grafting(a) polycondensates based on polyesters, polyester urethanes and polyester amides and having in each case a number average molecular weight from 500 to 100,000 with(b) from 0.2 to 10 parts by weight, based on 1 part by weight of the polycondensates, of vinyl esters of saturated C.sub.1 - to C.sub.6 -carboxylic acids, acrylic and/or methacrylic esters of saturated monohydric alcohols containing 1 to 4 carbon atoms.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: July 18, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4846995
    Abstract: A detergent containing as grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers graft polymers obtainable by grafting(a) a polyalkylene oxide which has a number average molecular weight of from 300 to 100,000, is based on ethylene oxide, propylene oxide and/or butylene oxide, and is end group capped at at least one end, with(b) at least on vinyl ester derived from a saturated monocarboxylic acid containing 1 to 6 carbon atoms and/or a methyl or ethyl ester of acrylic or methacrylic acid in a weight ratio (a):(b) of from 1:0.2 to 1:10.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4846994
    Abstract: A detergent containing as grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers graft polymers obtainable by grafting(a) polyalkylene oxides which have a number average molecular weight of from 300 to 100,000 and are based on ethylene oxide, propylene oxide and/or butylene oxide, with(b) at least one vinyl ester derived from a saturated monocarboxylic acid containing 3 to 6 carbon atoms, a methyl or ethyl ester of (meth)acrylic acid and optionally mixtures of at least one of the monomers mentioned and up to 95% by weight of vinyl acetate in a weight ratio (a):(b) of from 1:02 to 1:10.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: July 11, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Kud, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4746456
    Abstract: Detergents contain added graft copolymers which have an antiredeposition action and are obtainable by grafting polyalkylene oxides having a number average molecular weight of from 2000 to 100,000 with vinyl acetate in a weight ratio of from 1:0.2 to 1:10, and up to 15% of whose acetate groups may be hydrolyzed.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: May 24, 1988
    Assignee: Basf Aktiengesellschaft
    Inventors: Alexander Kud, Guenther Schulz, Wolfgang Trieselt, Heinrich Hartmann
  • Patent number: 4654432
    Abstract: 2-(hydroxymethyl)-acrylonitrile and 2-(hydroxymethyl)-acrylates of the formula ##STR1## where X is --CN or ##STR2## and R is unsubstituted or substituted alkyl, are prepared by reacting acrylonitrile or an acrylate with hydrated formaldehyde or a hemiacetal of formaldehyde in the presence of a tertiary amine as a catalyst.
    Type: Grant
    Filed: December 3, 1985
    Date of Patent: March 31, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fikentscher, Erwin Hahn, Alexander Kud, Alfred Oftring
  • Patent number: 4652669
    Abstract: 2-(1-Hydroxycarbalkoxymethyl)-acrylonitriles and 2-(1-hydroxycarbalkoxymethyl)-acrylates are prepared by a process in which an acrylonitrile or an acrylate is reacted with a glyoxylate in an aqueous medium at a pH greater than or equal to 6, in the presence of a tertiary amine as a catalyst.
    Type: Grant
    Filed: December 3, 1985
    Date of Patent: March 24, 1987
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fikentscher, Erwin Hahn, Alexander Kud, Alfred Oftring
  • Patent number: 4314922
    Abstract: A process for preparing aqueous polyurethane dispersions has been discovered which comprises(a) forming a polyurethane solution by reacting an organic polyisocyanate in the presence of a solvent with(i) an acrylic ester diol having a molecular weight of between 146 and 3,000;(ii) an organic polyhydroxyl compound other than (i) having a molecular weight between 400 and 5,000 selected from the group consisting of polyester polyols, polyether polyols, polycarbonates, polylactones, and mixtures thereof; and(iii) a chain extender having a molecular weight between 62 and 400 selected from the group consisting of diols, triols, diamines, aminoalcohols, and mixtures thereof;(b) forming an anionic polyurethane addition product by reacting said polyurethane solution with a mercaptocarboxylic acid salt in the presence of a solvent;(c) adding water; and(d) removing the solvent.The dispersions can be used in a variety of applications. For instance, they can be used to prepare films, coating, and binders.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: February 9, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: August Lehner, Alexander Kud, Heinrich Hartmann