Patents by Inventor Ursula Seeliger

Ursula Seeliger 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: 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
  • 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
  • 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
  • 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
  • Patent number: 6414108
    Abstract: Biodegradable polyether esters P1 obtainable by the reaction of a mixture consisting essentially of: (a1) a mixture essentiall) of 20 to 95 mol % adipic acid or ester-forming derivatives thereof or mixtures thereof, 5 to 80 mol % terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and 0 to 5 mol % of a sulphonate group-containing compounds In which the sum of the individual mol percentages is 100; and (a2) a mixture of dihydroxy compounds consisting essentially of (a21) 15 to 99 mol % of a dihydroxy compound selected from the group consisting of C2-C6 alkane diols and C5-C10 cycloalkane diols; (a22) 85 to 0.2 mol % of an ether function-containing dihydroxy compound as in formula I HO—[(CH2)n—O]m—H in which n is 2, 3 or 4 and m is a whole number from 2 to 250, or mixtures thereof, in which the molar ratio of (a1) to (a2) is in the range from 0.4:1 to 1.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: July 2, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Bernd Bruchmann, Dieter Boeckh, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6353084
    Abstract: Biodegradable polyesteramides as defined in the specification are obtained by reacting a mixture consisting essentially of a1) a mixture consisting essentially of 35 to 95 mol % of adipic acid or ester-forming derivatives thereof, 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof, and 0 to 5 mol % of a compound containing sulfonate groups, a2) a mixture consisting essentially of 95.5 to 0.5 mol % of a dihydroxy compound, 0.5 to 99.5 mol % of an amino-C2-C12-alkanol or an amino-C5-C10-cycloalkanol, 0 to 50 mol % of a diamino-C1-C8-alkane, and 0 to 50 mol % of a 2,2′-bisoxazoline of the formula I  wherein R1 is as set forth in the specification, and a3) 0 to 5 mol %, based on a1), of a compound D as set forth in the specification; and other biodegradable polymers and thermoplastic molding compositions, their manufacture and their use for producing biodegradable moldings, adhesives, foams, and coatings.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: March 5, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Edwin Baumann, Ursula Seeliger, Motonori Yamamoto, Gerhard Ramlow
  • Patent number: 6303677
    Abstract: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of (a1) a mixture consisting essentially of from 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and from 0 to 5 mol % of a sulfonate compound, the sum of the individual mole percentages being 100 mol %, and (a2) a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and CS-C10-cycloalkanediols, the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1, with the proviso that the polyesters P1 have a molecular weight (Mn) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w o-dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25° C.) and a melting point within the range from 50 to 170° C.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: October 16, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Bernd Bruchmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6297347
    Abstract: Biodegradable polyether esters P1 obtainable by reacting a mixture essentially comprising (a1) a mixture essentially comprising 20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, 5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and 0-5 mol % of a compound containing sulfonate groups, where the total of the individual mole percentages is 100 mol %, and (a2) a mixture of dihydroxy compounds essentially comprising (a21) from 15 to 99.8 mol % of a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, (a22) from 85 to 0.2 mol % of a dihydroxy compound containing ether functionalities of the formula I HO—[(CH2)n—O]m—H  I where n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof, where the molar ratio of (a1) to (a2) is chosen in the range from 0.4:1 to 1.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: October 2, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Bernd Bruchmann, Dieter Boeckh, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6258924
    Abstract: Biodegradable polyether esters P1 obtainable by reacting a mixture essentially comprising: (a1) a mixture essentially comprising: 20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, 5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and 0-5 mol % of a compound containing sulfonate groups, where the total of the individual mole percentages is 100 mol %, and (a2) a mixture of dihydroxy compounds essentially comprising (a21) from 15 to 99.8 mol % of a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, (a22) from 85 to 0.2 mol % of a dihydroxy compound containing ether functionalities of the formula I: HO—[(CH2)n—O]m—H  I where n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof, where the molar ratio of (a1) to (a2) is chosen in the range from 0.4:1 to 1.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: July 10, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Bernd Bruchmann, Dieter Boeckh, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6201034
    Abstract: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of (a1) a mixture consisting essentially of from 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof, from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and from 0 to 5 mol % of a sulfonate compound, the sum of the individual mole percentages being 100 mol %, and (a2) a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1, with the proviso that the polyesters P1 have a molecular weight (Mn) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w o-dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25° C.) and a melting point within the range from 50 to 170° C.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: March 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Bernd Bruchmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6140428
    Abstract: A process for the simultaneous production of dicarboxylic acids and diamines from a) polymers based on polyamides of dicarboxylic acids or their derivatives with diamines, orb) compositions containing essentially such polymers, by splitting these polymers into their monomeric constituents, comprises treating these polymers or compounds with a base in alcoholic medium, and subsequently converting the resulting dicarboxylate salts electrochemically into the corresponding dicarboxylic acids and bases.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: October 31, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Ursula Seeliger, Wolfgang F. Mueller, Frank Heimann, Guenther Huber, Wolfgang Habermann, Hartwig Voss, Hardo Siegel
  • Patent number: 6114042
    Abstract: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of(a1) a mixture consisting essentially offrom 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, andfrom 0 to 5 mol % of a sulfonate compound,the sum of the individual mole percentages being 100 mol %, and(a2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1,with the proviso that the polyesters P1 have a molecular weight (M.sub.n) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25.degree. C.) and a melting point within the range from 50 to 170.degree. C.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: September 5, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Bernd Bruchmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6111058
    Abstract: Biodegradable polyesteramides as defined in the specification obtained by reacting a mixture consisting essentially of(a1) from 95 to 99.9% by weight of a polyesteramide,(a2) from 0.1 to 5% by weight of a divinyl ether, and(a3) from 0 to 5 mol % of compound D as defined in the specification, and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings, and adhesives, biodegradable moldings obtained from the polymers and molding compositions according to the invention.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: August 29, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Matthias Kroner, Jurgen Hofmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 6103858
    Abstract: The aqueous dispersion of a biodegradable aliphatic-aromatic polyester is useful as a binder for nonwovens and for coating paper.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: August 15, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Motonori Yamamoto, Volker Warzelhan, Ursula Seeliger, Son Nguyen Kim, Karl-Heinz Schumacher, Rainer Hummerich, Dieter Bernhard Beimborn, Udo Pagga
  • Patent number: 6048937
    Abstract: Thermoplastic molding materials contain, as essential components,A) from 95 to 99.99% by weight of an ethylene polymer andB) from 0.01 to 5% by weight of a thermoplastic polyester having a maximum melting point of less than or equal to 150.degree. C.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: April 11, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Bauer, Ursula Seeliger, Uwe Faller
  • Patent number: 6046248
    Abstract: Biodegradable polyether esters are obtained by reacting a mixture of(a1) from 95 to 99.9% by weight of polyether ester obtained by reacting(b1) a mixture comprising20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and0-5 mol % of a compound which contains sulfonate groups, and(b2) a mixture of dihydroxy compounds,(a2) from 0.1 to 5% by weight of a divinyl ether C1 and(a3) from 0 to 5 mol %, based on component (b1) from the preparation of P1, of compound D,and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings, and adhesives, biodegradable moldings, foams and blends with starch obtainable from the polymers and molding compositions according to the invention.
    Type: Grant
    Filed: November 20, 1997
    Date of Patent: April 4, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Frank Braun, Matthias Kroner, Ursula Seeliger, Motonori Yamamoto, Rainer Buschl
  • Patent number: 6018004
    Abstract: Biodegradable polyesters P1 obtainable by reaction of a mixture consisting essentially of(a1) a mixture consisting essentially offrom 35 to 95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,from 5 to 65 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, andfrom 0 to 5 mol % of a sulfonate compound, the sum of the individual mole percentages being 100 mol %, and(a2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,the molar ratio of (a1) to (a2) being chosen within the range from 0.4:1 to 1.5:1,with the proviso that the polyesters P1 have a molecular weight (M.sub.n) within the range from 5000 to 50,000 g/mol, a viscosity number within the range from 30 to 350 g/ml (measured in 50:50 w/w o-dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester P1 at 25.degree. C.) and a melting point within the range from 50 to 170.degree. C.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: January 25, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Bernd Bruchmann, Ursula Seeliger, Motonori Yamamoto, Peter Bauer
  • Patent number: 5936045
    Abstract: Biodegradable polymers comprising a polyether ester P1 obtained by reactinga first mixture of20-95 mol% of adipic acid or ester-forming derivatives thereof or mixtures thereof,5-80 mol% of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and0-5 mol% of a compound containing sulfonate groups,and a second mixture of15-99.8 mol% of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,85-0.2 mol% of a dihydroxy compound IHO--?(CH.sub.2).sub.n --O!.sub.m --H(n=2, 3 or 4, m=2-250)with0-5 mol%, based on the first mixture, of a compound D having at least three groups capable of ester formation,and a bisoxazoline C1, their preparation and their use in the manufacture of biodegradable molding materials.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: August 10, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunter Pipper, Ursula Seeliger, Peter Bauer, Dieter Bernhard Beimborn, Motonori Yamamoto
  • Patent number: 5889135
    Abstract: Biodegradable polyesters having a molecular weight (M.sub.n) of from 5000 to 50,000 g/mol (measured by gel permeation chromatography), a viscosity number of from 30 to 350 g/ml (measured in 50:50 by weight of o-dichlorobenzene/phenol at a concentration of 0.5% by weight of polyester at 25.degree. C.), and a melting point of from 50 to 170.degree. C., and having both hydroxyl and carboxyl end groups, the molar ratio of carboxyl end groups to hydroxyl end groups being greater than one, which is obtained by reacting a mixture consisting essentially ofa.sub.1) a mixture consisting essentially offrom 45 to 80 mol % of adipic acid or ester-forming derivatives thereof, or mixtures thereof,from 20 to 55 mol % of terephthalic acid or ester-forming derivatives thereof, or mixtures thereof, andfrom 0 to 5 mol % of a sulfonate compound,where the sum of the individual mole percentages is 100 mol %, anda.sub.2) a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: March 30, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunter Pipper, Ursula Seeliger, Peter Bauer, Udo Pagga, Motonori Yamamoto
  • Patent number: 5880220
    Abstract: Biodegradable polyetheresteramides P1 which are obtained by reacting(a1) a mixture containing20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof and5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and(a2) a mixture of dihydroxy compounds(a21) from 15 to 99.3 mol % of a dihydroxy compound selected from the group consisting of C.sub.2 -C.sub.6 -alkanediols and C.sub.5 -C.sub.10 -cycloalkanediols,(a22) from 0.2 to 85 mol % of a dihydroxy compound containing ether functionalities of the formula IHO--((CH.sub.2).sub.n --O).sub.m --H Iwhere n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof and(a23) from 0.5 to 80 mol % of an amino-C.sub.2 -C.sub.12 -alkanol or amino-C.sub.5 -C.sub.10 -cycloalkanol,where the molar ratio of (a1) to (a2) is from 0.4:1 to 1.5:1, with the proviso, inter alia, that the polyetheresteramides P1 have a molecular weight (M.sub.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: March 9, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Volker Warzelhan, Gunnar Schornick, Frank Braun, Ursula Seeliger, Motonori Yamamoto, Peter Bauer