Patents by Inventor Axel Sanner

Axel Sanner 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: 6319909
    Abstract: A process for preparing liquid iodophores with poly-N-vinyllactams and dextrins as carrier materials, which comprises heating a mixture of the carrier materials, iodine and iodide ions or, in place of the iodide ions, a reducing agent in aqueous medium in the presence of a monohydric or polyhydric alcohol having 1 to 6 carbon atoms at from 40 to 100° C.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: November 20, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Ernst, Jörg Breitenbach, Axel Sanner
  • Publication number: 20010036471
    Abstract: The present invention relates to hard capsules comprising
    Type: Application
    Filed: March 20, 2001
    Publication date: November 1, 2001
    Inventors: Maximilian Angel, Karl Kolter, Axel Sanner, Michael Gotsche
  • Patent number: 6290990
    Abstract: Slow-release matrix pellets with a spherical or lenticular shape and uniform maximum diameters in the range from 0.5 to 4 mm, composed of a) 0.1-87% by weight of at least one biologically active compound, b) 5-50% by weight of at least one water-insoluble polymer, c) 5-45% by weight of at least one lipophilic component as plasticizer for polymer b), d) 3-40% by weight of a natural or semisynthetic gel former, e) 0-50% by weight of one or more conventional formulation aids.
    Type: Grant
    Filed: October 17, 1996
    Date of Patent: September 18, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Sven Grabowski, Joerg Rosenberg, Axel Sanner
  • Patent number: 6277386
    Abstract: A cosmetic or pharmaceutical composition which comprises at least one water-soluble or water-dispersible polyurethane of a) at least one polymer having two active hydrogen atoms per molecule which is selected from polytetrahydrofurans, polysiloxanes and mixtures thereof, b) at least one polyesterdiol, c) at least one compound comprising two active hydrogens per molecule and having a molecular weight of 56-300, d) at least one compound which contains two active hydrogen atoms and at least one anionogenic or anionic group per molecule, e) at least one diisocyanate, or a salt thereof, said polyurethane not comprising any unit which originates from a primary or secondary amine having an ionogenic or ionic group.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: August 21, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Son Nguyen Kim, Axel Sanner, Wilma M Dausch, Volker Schehlmann
  • Patent number: 6262176
    Abstract: The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: July 17, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Son Nguyen Kim, Axel Sanner, Peter Hössel, Volker Schehlmann
  • Patent number: 6231876
    Abstract: A cosmetic composition comprising water-soluble copolymer, which as characteristic structural elements comprises a) vinylcarboxamide units of the general formula I where R1 and R2 independently of one another are H, alkyl, cycloalkyl, aryl or aralkyl, and b) units of the general formula II where A is a chemical bond or an alkylene group, the radicals R3 independently of one another are H, alkyl, cycloalkyl, aryl or aralkyl, or together with the nitrogen atom to which they are bonded, form an unsubstituted, mono- or polysubstituted, five- to seven-membered, heterocyclic, aromatic or nonaromatic ring, which if appropriate contains one or two further heteroatoms, selected from among O, N and S, it being possible for the heterocyclic ring to be fused to a further five- or six-membered, aromatic or nonaromatic ring, R4 is H, alkyl or aralkyl.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Niessner, Claudia Nilz, Peter Hössel, Stephan Kothrade, Axel Sanner
  • Patent number: 6187884
    Abstract: A process for preparing highly concentrated aqueous solutions of low molecular mass homopolymers of N-vinylpyrrolidone by free-radical solution polymerization in an aqueous medium with H2O2 as initiator comprises carrying out the polymerization in the presence of from 0.1 to 30% by weight, based on N-vinylpyrrolidone, of a polymerization regulator which is selected from the group consisting of C1-C6-alkanols, hydroxylamine salts and water-soluble compounds containing sulfur in bonded form.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: February 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Kothrade, Rainer Blankenburg, Iris Peters, Axel Sanner
  • Patent number: 6171583
    Abstract: Complexes in powder form of iodine and a crosslinked polymer based on N-vinyl compounds are obtainable by dry heating of iodine and a polymer which is obtained by polymerization of monovinyl compounds (monomers A) whose vinyl group is bonded to a nitrogen atom of a nitrogen-containing heterocycle, in the presence of from 0.5 to 10% by weight, based on the monomers (A), of a compound (B) of the formula I; where A is —CH— or a nitrogen atom, and n is 2 or 3. The complexes are suitable for producing antidiarrheals.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: January 9, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Jörg Breitenbach, Axel Sanner, Walter Denzinger, Siegfried Lang
  • Patent number: 6153179
    Abstract: Hair setting lotion which are not subject to hydrolysis and which are made up ofA) 0.5-20% by weight of a nonionic or anionic homo- or copolymer of at least 70% by weight of N-vinylcaprolactam (polymer A), andB) 0.5-20% by weight of a further film-forming polymer (polymer B), selected from the group consisting of polyamides, polyurethanes, and homo- and copolymers of monoolefinically unsaturated monomers.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: November 28, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Blankenburg, Karin Sperling, Axel Sanner
  • Patent number: 6132705
    Abstract: A cosmetic or pharmaceutical composition which comprises at least one polymer or copolymer which is obtainable by free-radical emulsion or suspension polymerization in the presence of at least one chain-transfer reagent, has a glass transition temperature above -35.degree. C. and a content of organic volatile constituents .ltoreq.0.5% by weight, and is at least 20% by weight composed of a (meth)acrylic ester.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: October 17, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Schehlmann, Christian Schade, Axel Sanner, Karin Sperling, Hans-Ulrich Wekel
  • Patent number: 6123963
    Abstract: The use of water-soluble or water-dispersible polyurethanes which consists ofa) 0.1-30% by weight of at least one polyol,b) 20-45% by weight of at least one polyetherpolyol,c) 10-45% by weight of at least one diamine comprising an ionic group,d) 30-50% by weight of at least one polyisocyanate with or withoute) further additives as coatings or binders for pharmaceutical presentations.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: September 26, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Son Nguyen Kim, Axel Sanner, Karl Kolter
  • Patent number: 6103820
    Abstract: The present invention relates to a novel process for preparing water-soluble copolymers of at least one water-soluble N-vinyllactam of the formula I ##STR1## where n=1 or 2, and at least one hydrophobic comonomer having a water-solubility of 1 to 85 g/l, by free-radical polymerization in aqueous solution.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: August 15, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Blankenburg, Stephan Kothrade, Axel Sanner
  • Patent number: 6080811
    Abstract: Adhesives for dental prostheses, comprisinga) as active adhesive ingredient partially or completely neutralized copolymers offrom 5 to 95% by weight, based on the copolymer, of one or more acrylic esters of the formula ICH.sub.2 .dbd.CR'--COOR I (monomer A),where R' is hydrogen or methyl and R is alkyl of 1 to 30 C atoms, andfrom 95 to 5% by weight of methacrylic and/or acrylic acid (monomer B), andb) a vehicle which is customary in adhesives for dental prostheses.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: June 27, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Schehlmann, Reinhold Dieing, Axel Sanner
  • Patent number: 6075107
    Abstract: The use of copolymers ofA) 60-99 mol % of N-vinylpyrrolidone, andB) 1-40 mol % of a monomer selected from the group ofb1) C.sub.8 -C.sub.30 -alkyl esters of monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acids,b2) N-alkyl- or N,N-dialkyl-substituted amides of acrylic acid or of methacrylic acid with C.sub.8 -C.sub.18 -alkyl radicals, orb3) vinyl esters of aliphatic C.sub.8 -C.sub.30 -carboxylic acids, or mixtures of these monomers,as surface-active substances in preparations of water-insoluble substances.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: June 13, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Kothrade, Helmut Meffert, Gunther Berndl, Axel Sanner, Stefan Stein, Volker Schehlmann, Folker Ruchatz
  • Patent number: 6063821
    Abstract: Transparent rapid release active substance compositions obtainable by extrusion of melts, containing non-steroidal analgesics, homopolymers of N-vinylpyrrolidone, saccharides or sugar alcohols and sodium or potassium salts.
    Type: Grant
    Filed: September 16, 1997
    Date of Patent: May 16, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Jorg Breitenbach, Axel Sanner, Joerg Rosenberg
  • Patent number: 6036962
    Abstract: The present invention relates to the use of polyamides in cosmetics which carry sulfonate groups and are obtainable fromA.sub.1) from 0 to 19.9 mol-% of at least one monoaminocarboxylic acid having 2 to 12 carbon atoms, its lactam, or monoaminocarboxylic acid/lactam mixtures,A.sub.2) from 40.05 to 50 mol-% of at least one diamine having 2 to 18 carbon atoms,A.sub.3) from 0.5 to 49.5 mol-% of at least one dicarboxylic acid having 4 to 12 carbon atoms which carries sulfonate groups, andA.sub.4) from 0.5 to 49.5 mol-% of at least one further dicarboxylic acid having 2 to 16 carbon atoms, and cosmetic compositions containing said polyamides.
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: March 14, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Muller, Stefan Stein, Jorg Breitenbach, Axel Sanner, Karin Sperling
  • Patent number: 6015551
    Abstract: The disclosure relates to a copolymer obtainable by radically initiated polymerization of the following: A) 70-99.9 wt. % an olefinically unsaturated C.sub.3 -C.sub.5 monocarboxylic acid, an olefinically unsaturated C.sub.4 -C.sub.8 dicarboxylic acid or its anhydride, or a mixture of such carboxylic acids; with B) 0.1-30 wt. % one or more multiply olefinically unsaturated carboxylic acid derivatives of formula (I)Z--Y--(CHR.sup.3 --CH.sub.2 --X).sub.n --R.sup.4 (I)in which Z is a vinyl or allyl group or structure (a), ##STR1## R.sup.1, R.sup.2 are hydrogen or methyl, R.sup.3 is hydrogen, methyl or ethyl, R.sup.4 is a singly or multiply olefinically unsaturated alkenyl or cycloalkenyl group or a singly or doubly olefinically unsaturated arylalkylene group, X is oxygen or NH, Y is oxygen, NH or N-alkyl, n is a number between 0 and 50; and C) 0-29.9 wt. % other copolymerizable monomers. The proposed copolymer can be used as a thickener or dispergent for aqueous systems.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: January 18, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Schade, Hans-Ulrich Wekel, Axel Sanner, Karin Sperling
  • Patent number: 6008274
    Abstract: A process for stabilizing a copolymer of maleic acid or maleic anhydride and vinyl alkyl ethers against a reduction in molecular weight in aqueous solution or in the solution of an organic solvent by adding 0.001 to 10% by weight, based on the copolymer, of a reducing agent, a tert-butyl-containing phenol or a mixture thereof.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: December 28, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Harald Meyer, Axel Sanner, Franz Frosch, Hans Richter
  • Patent number: 6004575
    Abstract: (Meth)acrylic acid/maleic acid copolymers for improving mucosal permeability and pharmaceutical compositions containing them are described.
    Type: Grant
    Filed: July 30, 1997
    Date of Patent: December 21, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Henrik L. Luessen, Gerrit Borchard, Albertus G. de Boer, Hans E. Junginger, Karl Kolter, Volker Schehlmann, Axel Sanner
  • Patent number: 5961965
    Abstract: A description is given of water-soluble or water-dispersible polyaspartic acid derivatives, their preparation and their use in cosmetology, especially in hair cosmetology.
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: October 5, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Son Nguyen Kim, Axel Sanner, Peter Hossel, Matthias Kroner