Patents by Inventor Karl Kolter

Karl Kolter 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).

  • Publication number: 20120022079
    Abstract: The invention relates to a process for producing formulations of sparingly water-soluble substances, said sparingly soluble substances being present in amorphous embedded form in a copolymer, and said copolymer being obtained by free-radically initiated polymerization of a mixture of i) 30 to 80% by weight of N-vinyllactam, ii) 10 to 50% by weight of vinyl acetate, and iii) 10 to 50% by weight of a polyether, with the proviso that the sum of components i), ii) and iii) equals 100% by weight, which comprises embedding the sparingly soluble substance into the copolymer at temperatures above the melting point of the sparingly soluble substances.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 26, 2012
    Applicant: BASF SE
    Inventors: Kathrin Meyer-Böehm, Rainer Dobrawa, Stefan Fischer, Karl Kolter
  • Publication number: 20110287066
    Abstract: Process for the production of nanoporous foamed active substance-containing preparations, wherein the active substance is present embedded in a pharmaceutically acceptable polymer, wherein, in stage a) loading of a polymeric molding composition or a polymer melt with a propellant is effected at a pressure and at a temperature at which the propellant is in the supercritical state, in stage b) heating of the laden polymer molding compound or melt is carried out under pressure at a temperature which lies in the range from ?40 to +60° C., preferably ?20 to +55° C., and especially preferably 0 to +50° C. around the glass transition temperature of the unladen (prior to loading) polymeric molding compound and in stage c) a depressurization of the polymeric molding compound or melt laden in stage a) and heated under pressure in stage b) is effected out with a depressurization rate in the range from 15,000 to 200,000 MPa/sec.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 24, 2011
    Applicant: BASF SE
    Inventors: Jan Kurt Walter Sandler, Ingo Bellin, Dejan Djuric, Karl Kolter, Holger Ruckdäschel
  • Publication number: 20110288181
    Abstract: Preparations with enlarged surface comprising an active ingredient and an amphiphilc copolymer, wherein the copolymer comprises at least one polyether-containing graft polymer. The preparations are partially or completely foamed. Processes for producing the preparations are also described, including processes comprising extrusion of a melt impregnated with a physiologically acceptable volatile blowing agent.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 24, 2011
    Applicant: BASF SE
    Inventors: Sebastian Koltzenburg, Karl Kolter, Jan Kurt Walter Sandler, Dejan Djuric, Ingo Bellin
  • Publication number: 20110263786
    Abstract: The present invention relates to a method for producing N-vinyl pyrrolidone/vinyl acetate copolymers that are soluble in water and that at the same time have a relatively high molecular weight, and to the aqueous polymer solutions and copolymers obtained by way of said method.
    Type: Application
    Filed: December 18, 2009
    Publication date: October 27, 2011
    Inventors: Maximilian Angel, Angelika Maschke, Karl Kolter
  • Publication number: 20110256193
    Abstract: Use of water-soluble or water-dispersible copolymers which are obtained by polymerization of vinyl acetate and N-vinyllactams in the presence of a polyether, as stabilizing agents for emulsions.
    Type: Application
    Filed: December 10, 2009
    Publication date: October 20, 2011
    Inventors: Kathrin Meyer-Bohm, Rainer Dobrawa, Karl Kolter
  • Publication number: 20110257339
    Abstract: Process for the preparation of low-peroxide polymer comprising the treatment of the polymer with elemental metal in the presence of a liquid, polymer obtainable by this process, the use thereof, and also drugs comprising this polymer.
    Type: Application
    Filed: December 17, 2009
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Frank Fischer, Ralf Widmaier, Angelika Maschke, Karl Kolter, Antonietta Mauri
  • Publication number: 20110217289
    Abstract: Formulations of sparingly water-soluble active ingredientscomprising carrier particles provided with active ingredient-containing coatings, the sparingly soluble active ingredients being embedded in coatings composed of amphiphilic copolymers, and the coatings being applied in the form of a solvent-free melt.
    Type: Application
    Filed: March 4, 2011
    Publication date: September 8, 2011
    Applicant: BASF SE
    Inventors: Karl Kolter, Dejan Djuric
  • Publication number: 20110195118
    Abstract: A process for producing solid oral dosage forms with controlled active ingredient release, comprising a mixture of a) at least one active ingredient, and b) a preformulated mixture of polyvinyl acetate and polyvinylpyrrolidone, wherein the mixture is obtained by joint processing of components a) and b) in an extruder at temperatures between 50° and 200° C.
    Type: Application
    Filed: October 2, 2009
    Publication date: August 11, 2011
    Applicant: BASF SE
    Inventors: Karl Kolter, Angelika Maschke
  • Publication number: 20110178183
    Abstract: The use of water-soluble or water-dispersible copolymers which are obtained by free radical-initiated polymerization of a mixture of i) 30 to 80% by weight N-vinyllactam, ii) 10 to 50% by weight vinylacetate and iii) 10 to 50% by weight of a polyether, with the proviso that the total of i), ii) and iii) is equal to 100% by weight, as binders for producing solid active ingredient-containing dosage forms.
    Type: Application
    Filed: September 21, 2009
    Publication date: July 21, 2011
    Inventors: Kathrin Meyer-Böhm, Rainer Dobrawa, Angelika Maschke, Karl Kolter
  • Publication number: 20110117142
    Abstract: The present invention relates to a polymeric composition for coating solid substrates (S) consisting of: a) 0.5-90% by weight of polyethylene glycol with a weight-average molecular weight in the range from 1500 to 20 000 g/mol (component A), b) 0.5-20% by weight of a water-soluble polyvinylpyrrolidone with a Fikentscher K value in the range from 12 to 90 (component B), c) 0-95% by weight of a solvent (L), and d) 0-70% by weight of one or more non-polymeric aids (component C).
    Type: Application
    Filed: July 1, 2009
    Publication date: May 19, 2011
    Applicant: BASF SE
    Inventors: Karl Kolter, Nils Rottmann, Maximilian Angel
  • Publication number: 20110033532
    Abstract: The present invention relates to a process for preparing an aqueous polymer dispersion by free-radical emulsion polymerization of a monomer mixture which comprises N,N-diethylaminoethyl methacrylate, to the polymer dispersion obtainable by this process, and to the use thereof.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 10, 2011
    Applicant: BASF SE
    Inventors: Maximilian Angel, Karl Kolter, Hartwig Voss
  • Publication number: 20100283178
    Abstract: A process for producing gelatin-free soft capsule shells based on polyvinyl alcohol-polyether graft copolymers as shell polymers, which comprises heating an aqueous solution comprising at least 45% by weight, based on the total weight of the solution, of a polymer component, where the polymer component consists of a polyvinyl alcohol-polyether graft copolymer or a mixture of polyvinyl alcohol-polyether graft copolymers and polyvinyl alcohol, extruding the solution at a temperature of at least 70° C., and solidifying the resulting film by cooling.
    Type: Application
    Filed: August 31, 2006
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventor: Karl Kolter
  • Publication number: 20100280047
    Abstract: Polymeric water-soluble salts of medicaments that are sparingly soluble in water, consisting of a polymer with anion character that is soluble in water at pH values of 2-13 and a sparingly soluble medicament with cation character.
    Type: Application
    Filed: December 10, 2008
    Publication date: November 4, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Maximilian Angel, Kathrin Meyer-Böhm
  • Publication number: 20100184785
    Abstract: The present invention relates to pharmaceutical formulations for the production of chewable and suckable tablets, comprising agglomerates based on sugar or sugar alcohols and disintegrant and water-insoluble polymers in combination with a viscosity-increasing/gel-forming polymer, and the corresponding chewable and suckable tablets.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 22, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Michael Schönherr, Silke Gebert, Kathrin Meyer-Böhm, Angelika Maschke
  • Publication number: 20100178306
    Abstract: Pharmaceutical formulation in the form of agglomerates comprising A) an excipient content composed of a) 60-97% by weight of sugar or sugar alcohols, b) 1-25% by weight of a disintegrant, selected from the group consisting of croscarmellose, sodium carboxymethylstarch and L-hydroxypropoylcellulose, c) 1-15% by weight of water-insoluble, film-forming polymers d) 0-15% by weight of water-soluble polymers and e) 0-15% by weight of further pharmaceutically customary excipients the total of the components a) to e) being 100% by weight.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 15, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Michael Schönherr, Silke Gebert, Kathrin Meyer-Böhm, Angelika Maschke
  • Publication number: 20100178349
    Abstract: Pharmaceutical formulation in the form of agglomerates comprising A) an excipient content composed of a) 60-97% by weight of sugar or sugar alcohols, b) 1-25% by weight of a disintegrant, c) 1-15% by weight of water-insoluble, film-forming polymers d) 0-15% by weight of water-soluble polymers and e) 0-15% by weight of further pharmaceutically customary excipients the total of the components a) to e) being 100% by weight, and B) at least one active ingredient.
    Type: Application
    Filed: June 3, 2008
    Publication date: July 15, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Michael Schönherr, Silke Gebert, Kathrin Meyer-Böhm, Angelika Maschke
  • Publication number: 20100173859
    Abstract: Pharmaceutical formulation in the form of compacts comprising A) an agglomerated excipient content composed of a1) 60-97% by weight of sugar or sugar alcohols, a2) 1-25% by weight of a disintegrant, selected from the group consisting of crospovidone, croscarmellose, sodium carboxymethylstarch and L-hydroxypropylcellulose, a3) 1-15% by weight of water-insoluble, film-forming polymers a4) 0-15% by weight of water-soluble polymers and a5) 0-15% by weight of further pharmaceutically customary excipients, the total of the components a1) to a5) being 100% by weight, B) at least one active ingredient, C) 0 to 10% by weight, based on the total amount of A) to D), of a lubricant or mold release agent, and D), if appropriate, further pharmaceutical excipients.
    Type: Application
    Filed: June 2, 2008
    Publication date: July 8, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Michael Schönherr, Silke Gebert, Kathrin Meyer-Böhm, Angelika Maschke
  • Publication number: 20100062940
    Abstract: The present invention relates to a method for the production of solid solutions of sparingly soluble pesticides, pulverulent products that are obtained by said method and their use for pesticide formulations.
    Type: Application
    Filed: November 23, 2007
    Publication date: March 11, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Michael Schönherr, Hermann Ascherl, Cedric Dieleman, Torsten Knieriem, Sebastian Koltzenburg, Holger Türk
  • Publication number: 20100048760
    Abstract: Solid particulate film-coating compositions consisting of a) 40-90% by weight, preferably 40 to 70% by weight, of a polyvinyl alcohol-polyether graft copolymer (component A), b) 10 to 60% by weight, preferably 20 to 45% by weight, of a chromatic or achromatic colorant (component B) c) 0 to 30% by weight of further conventional auxiliaries (component C) where the amount of components A to C adds up to 100% by weight, which are obtained by extrusion of a melt of components A) to C) and subsequent shaping.
    Type: Application
    Filed: December 11, 2007
    Publication date: February 25, 2010
    Applicant: BASF SE
    Inventors: Karl Kolter, Angelika Maschke, Franz-Josef Dietzen, Thorsten Schmeller
  • Patent number: 7645419
    Abstract: Described are a method of killing microorganisms in aqueous industrial systems or products for industrial applications based on water by adding from 0.001 to 5% by weight of a water-soluble or water-dispersible polymer containing from 30 to 100 mol % of styrenesulfonic acid, from 0 to 40 mol % of an N-vinyllactam and/or N-vinylamine, and from 0 to 30 mol % of further free-radically polymerizable monomers as biocidal additive, and a method of protecting articles by applying an antimicrobial aqueous composition comprising such an additive.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: January 12, 2010
    Assignee: BASF SE
    Inventors: Frank Dietsche, Nathalie Bouillo, Karl Kolter, Christoph Hamers