Patents by Inventor Dirk Stärke

Dirk Stärke 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).

  • Biologically-degradable polyester mixture
    Patent number: 9447274
    Abstract: The invention relates to biodegradable polyester mixture, comprising i) from 5 to 80% by weight, based on the total weight of components i to ii, of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, and ii) from 20 to 95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polycaprolactone, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and of aliphatic diols, and iii) from 0.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: September 20, 2016
    Assignee: BASF SE
    Inventors: Ursula Seeliger, Gabriel Skupin, Dirk Stärke
  • BIOLOGICALLY-DEGRADABLE POLYESTER MIXTURE
    Publication number: 20110269873
    Abstract: The invention relates to biodegradable polyester mixture, comprising i) from 5 to 80% by weight, based on the total weight of components i to ii, of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, and ii) from 20 to 95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polycaprolactone, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and of aliphatic diols, and iii) from 0.
    Type: Application
    Filed: July 13, 2011
    Publication date: November 3, 2011
    Applicant: BASF SE
    Inventors: Ursula Seeliger, Gabriel Skupin, Dirk Stärke
  • Biologically-degradable polyester mixture
    Patent number: 8003731
    Abstract: The invention relates to biodegradable polyester mixture, comprising i) from 5 to 80% by weight, based on the total weight of components i to ii, of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, and ii) from 20 to 95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polycaprolactone, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and of aliphatic diols, and iii) from 0.
    Type: Grant
    Filed: December 31, 2005
    Date of Patent: August 23, 2011
    Assignee: BASF SE
    Inventors: Ursula Seeliger, Gabriel Skupin, Dirk Stärke
  • Biologically-Degradable Polyester Mixture
    Publication number: 20080281018
    Abstract: The invention relates to biodegradable polyester mixture, comprising i) from 5 to 80% by weight, based on the total weight of components i to ii, of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds, and ii) from 20 to 95% by weight, based on the total weight of components i to ii, of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polycaprolactone, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and of aliphatic diols, and iii) from 0.
    Type: Application
    Filed: December 31, 2005
    Publication date: November 13, 2008
    Applicant: BASF Aktiengesllschaft
    Inventors: Ursula Seeliger, Gabriel Skupin, Dirk Staerke