Patents by Inventor Anton Dotter

Anton Dotter 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: 7105674
    Abstract: Perylene derivatives of the general formula I where X and Y are independently oxygen, —NR1 or —NR2; R1 and R2 are independently hydrogen, C1–C18-alkyl, C5–C7-cycloalkyl, aryl or C1–C6-alkoxy; R3 to R10 are independently hydrogen, hydroxyl or aryl, although radicals conjointly attached to one carbon atom may also be ?O or ?CHR11, R11 is hydrogen or C1–C3-alkyl, with the proviso that said perylene derivative I contains from at least one to not more than three carbonyl groups per molecule.
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: September 12, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Hackmann, Paul Guenthert, Anton Dotter, Peter Blaschka
  • Publication number: 20040200388
    Abstract: Perylene derivatives of the general formula I 1
    Type: Application
    Filed: May 6, 2004
    Publication date: October 14, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Claus Hackmann, Paul Gunthert, Anton Dotter, Peter Blaschka
  • Patent number: 6784301
    Abstract: Perylene derivatives of the general formula I where X and Y are independently oxygen, —NR1 or —NR2; R1 and R2 are independently hydrogen, C1-C18-alkyl, C5-C7-cycloalkyl, aryl or C1-C6-alkoxy; R3 to R10 are independently hydrogen, hydroxyl or aryl, although radicals conjointly attached to one carbon atom may also be ═O or ═CHR11, R11 is hydrogen or C1-C3-alkyl, with the proviso that said perylene derivative I contains from at least one to not more than three carbonyl groups per molecule.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: August 31, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Claus Hackmann, Paul Günthert, Anton Dotter, Peter Blaschka
  • Publication number: 20030106463
    Abstract: Perylene derivatives of the general formula I 1
    Type: Application
    Filed: September 11, 2002
    Publication date: June 12, 2003
    Inventors: Claus Hackman, Paul Gunthert, Anton Dotter, Peter Blaschka
  • Patent number: 6284035
    Abstract: Pigment preparations in granule form comprising as essential constituents from 50 to 99.5% by weight of at least one inorganic pigment and from 0.5 to 50% by weight of at least one organic pigment are prepared and used for coloring polymeric materials.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: September 4, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Hansulrich Reisacher, Anton Dotter, Gerhard Berger, Otmar Pelz, Oliver Seeger