Patents by Inventor Angelika Funhoff

Angelika Funhoff 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: 6300304
    Abstract: The present invention relates to an alkoxylated polyalkyleneimine soil dispersant having the formula: wherein R is C2-C6 linear alkylene, C3-C6 branched alkylene, and mixtures thereof; B is a continuation by branching; E is an alkyleneoxy unit having the formula: —(R1O)m(R2O)nR3 wherein R1 is 1,2-propylene, 1,2-butylene, and mixtures thereof; R2 is ethylene; R3 is hydrogen, C1-C4 alkyl, and mixtures thereof; m is from about 1 to about 10; n is from about 10 to about 40; w, x and y are each independently from about 4 to about 200; provided at least one —(R1O) unit is attached to the backbone prior to attachment of an —(R2O) unit and further provided m+n is at least 12.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: October 9, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Michael Ehle, Angelika Funhoff, Jürgen Mohr, James A. Cleary, Shulin Zhang, Eugene Paul Gosselink
  • Patent number: 6172027
    Abstract: The use of water-soluble copolymers which comprise (a) 5-20 mol % of N-vinylimidazole or 4-vinylpyridine N-oxide units, (b) 95-50 mol % of N-vinylpyrrolidone, N-vinyloxazolidone, methyl-N-vinylimidazole units or mixtures thereof and (c) 0-30 mol % of other monoethylenically unsaturated monomer units, and have an average molecular weight Mw of more than 50,000 as color transfer inhibitors in detergents.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: January 9, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Stefan Stein, Angelika Funhoff, J{umlaut over (u)}rgen Alfred Lux, Hans-Ulrich J{umlaut over (a)}ger
  • Patent number: 6156720
    Abstract: The present invention relates to an alkoxylated polyalkyleneimine soil dispersant having the formula: ##STR1## wherein R is C.sub.2 -C.sub.6 linear alkylene, C.sub.3 -C.sub.6 branched alkylene, and mixtures thereof; B is a continuation by branching; E is an alkyleneoxy unit having the formula:--(R.sup.1 O).sub.m (R.sup.2 O).sub.n R.sup.3wherein R.sup.1 is 1,2-propylene, 1,2-butylene, and mixtures thereof; R.sup.2 is ethylene; R.sup.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, and mixtures thereof; m is from about 1 to about 10; n is from about 10 to about 40; w, x and y are each independently from about 4 to about 200; provided at least one --(R.sup.1 O) unit is attached to the backbone prior to attachment of an --(R.sup.2 O) unit and further provided m+n is at least 12.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: December 5, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Michael Ehle, Angelika Funhoff, Jurgen Mohr, James A. Cleary, Shulin Zhang, Eugene Paul Gosselink
  • Patent number: 6001798
    Abstract: The use of modified polyaspartic acids which are obtainable by polycondensation of aspartic acid in the presence of, in each case based on the aspartic acid employed,(a) 2.5 to 25 mol % of amines with at least 6 carbon atoms(b) at least 2% by weight of phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids,at temperatures of at least 120.degree. C. and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of from 0.5 to 10% by weight, as additive to detergents, and detergents which contain the modified polyaspartic acids in amounts of from 0.1 to 20% by weight.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: December 14, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Richard Baur, Werner Bertleff, Hans-Ulrich Jager, Angelika Funhoff, Matthias Kroner, Gunnar Schornick
  • Patent number: 5994290
    Abstract: A solid textile detergent formulation, comprising(A) 1-60% by weight of inorganic builders based on crystalline or amorphous aluminosilicates, crystalline or amorphous silicates, carbonates and/or phosphates,(B) 0.1-25% by weight of one or more glycine-N,N'-diacetic acid derivatives I ##STR1## where R is an organic radical and M is hydrogen or a cation, as organic cobuilders,(C) 1-40% by weight of anionic surfactants and(D) 0.5-30% by weight of nonionic surfactants.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: November 30, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Birgit Potthoff-Karl, Beate Ehle, Angelika Funhoff, Dieter Kiessling, Richard Baur, Thomas Greindl
  • Patent number: 5773541
    Abstract: A process for preparing copolymers of vinyl esters and monoethylenically unsaturated carboxylic acids by free-radical copolymerization of(a) 20 to 80 mol % of vinyl esters of aliphatic monocarboxylic acids having at least 2 carbon atoms and(b) 80-20 mol % of monoethylenically unsaturated carboxylic acids, with or without(c) 0-30 mol % of other copolymerizable monoethylenically unsaturated monomers and/or(d) 0-10 mol % of monomers which contain at least two non-conjugated ethylenic double bonds in the molecule,in the presence of at least one sulfur, phosphorus and/or nitrogen compound with a reducing action and of 0.05-30% by weight, based on the monomers, of at least one surface-active agent in aqueous medium in the presence of initiators and in the presence or absence of regulators, and the use of the copolymers or of the copolymers which are obtainable therefrom by hydrolysis and/or oxidation and have vinyl alcohol units as additive to detergents and cleaners.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: June 30, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Axel Kistenmacher, Walter Denzinger, Iris Rau, Angelika Funhoff, Richard Baur, Alexander Kud, Volker Schwendemann
  • Patent number: 5756594
    Abstract: Polymers which contain polyacetal blocks are obtainable by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the polymers with at least bifunctional crosslinking agents in the presence of acids or Lewis acids and, if required hydrolyzing the ester groups present as polymerized units, process for the preparation of the polymers containing polyacetal blocks by polymerizing carboxylates containing aldehyde groups in the presence of initiators and reacting the resulting polyacetals containing terminal hydroxyl groups with at least bifunctional crosslinking agents in the presence of acids or Lewis acids, and the use of the resulting polymers as additives in phosphate-free and reduced phosphate detergents and cleaning agents, as scale inhibitors and as dispersants for pigments.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: May 26, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Angelika Funhoff, Dieter Boeckh, Matthias Kroner, Richard Baur, Alexander Kud, Gunnar Schornick, Volker Schwendemann
  • Patent number: 5747635
    Abstract: Modified polyaspartic acids useful as detergent and cleaner additives, as water treatment agents and as scale inhibitors in the evaporation of sugar juice are obtainable by polycondensation of(a) from 1 to 99.9 mol % of aspartic acid with(b) from 99 to 0.1 mol % of fatty acids, polybasic carboxylic acids, anhydrides of polybasic carboxylic acids, polybasic hydroxycarboxylic acids, monobasic polyhydroxycarboxylic acids, alcohols, amines, alkoxylated alcohols and amines, amino sugars, carbohydrates, sugarcarboxylic acids and/or non-proteinogenic aminocarboxylic acidsor by polymerizing monoethylenically unsaturated monomers in the presence of polyaspartic acids in the manner of a free-radically initiated graft polymerization.
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: May 5, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Kroner, Heinrich Hartmann, Dieter Boeckh, Angelika Funhoff, Richard Baur, Alexander Kud, Volker Schwendemann, Birgit Potthoff-Karl, Karl-Heinz Buechner
  • Patent number: 5739241
    Abstract: Copolymers containing(a) from 5 to 90 mol % of vinyl formate units,(b) from 10 to 95 mol % of units of monoethylenically unsaturated carboxylic acids,(c) from 0 to 70 mol % of units of monoethylenically unsaturated dicarboxylic acids, and(d) from 0 to 30 mol % of units of other monoethylenically unsaturated monomersin copolymerized form and having K values of at least 8 (determined by the method of H. Fikentscher in 1% strength by weight aqueous solution on the sodium salt of the copolymers at pH 7 and 25.degree. C.
    Type: Grant
    Filed: December 16, 1996
    Date of Patent: April 14, 1998
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Axel Kistenmacher, Walter Denzinger, Thomas Ruhl, Angelika Funhoff, Richard Baur, Alexander Kud, Volker Schwendemann
  • Patent number: 5658993
    Abstract: A water-soluble or water-dispersible graft copolymer obtainable by free-radical graft copolymerization of(I) at least one monoethylenically unsaturated monomer onto(II) polymers with a molecular weight of 200-5000 of monoethylenically unsaturated dicarboxylic acids or anhydrides thereofusing from 5 to 2,000 parts by weight of the monomers (I) per 100 parts by weight of grafting base, a process for preparing the graft copolymers and the use of the graft copolymers as additive to phosphate-free or reduced phosphate textile detergents, as dispersants and preventers of deposits in cleaners for hard surfaces and as water-treatment agents for reducing the deposition of scale and the separation out of water hardness in water-conveying systems.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: August 19, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter Denzinger, Axel Kistenmacher, Johannes Perner, Angelika Funhoff, Birgit Potthoff-Karl, Hans-Jurgen Raubenheimer
  • Patent number: 5652330
    Abstract: Process for preparing polycondensates of citric acid and/or isocitric acid, by converting(a) citric acid, isocitric acid or mixtures thereof in an organic solvent in the presence of a water-withdrawing agent at least partially into the anhydride form and then condensing the reaction mixture, if desired after addition of two cocondensable compounds selected from the group consisting of(b) other hydroxycarboxylic acids and/or(c) amino acids, alcohols, amines and/or at least dibasic carboxylic acids other than carboxylic acids (a) and (b), at temperatures of at least 80.degree. C. to form polycarboxylates which have an average molecular weight of at least 500, polycondensates of citric acid and/or isocitric acid obtainable thereby, anduse of said polycondensates as ingredients in phosphate-free and reduced-phosphate detergents and cleaners, and also detergents and cleaners which contain at least one surfactant and optionally builders and other customary constituents with from 0.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: July 29, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Boeckh, Angelika Funhoff, Alexander Kud, Richard Baur, Volker Schwendemann, Gunnar Schornick
  • 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
  • Patent number: 5470907
    Abstract: Aqueous polyurethane dispersions contain, at a pH of the dispersing medium of .gtoreq.6, an anionically stabilized polyurethane present in disperse form as well as an added polymer having acidic functions and intended for reducing the flow resistance.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: November 28, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Alexander Wallon, Gerhard Auchter, Ulrike Licht, Karl Haeberle, Angelika Funhoff
  • 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: 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