Patents by Inventor Hartmut Laatsch

Hartmut Laatsch 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).

  • Beta-carboline derived guanidine alkaloids, tiruchenduramine
    Patent number: 7626025
    Abstract: A novel ?-carboline guanidine derivative tiruchenduramine (1) and its derivatives are disclosed. These compounds have been isolated from the Indian ascidian Synoicum macroglossum. These compounds are useful in the treatment of diabetic disorder by providing inhibition of ? (alpha)glucosidase.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: December 1, 2009
    Assignees: Council of Scientific and Industrial Research, Department of Ocean Development
    Inventors: Yenamandra Venkateswarlu, Kodela Ravinder, Jhillu S. Yadav, Yandrapu Sarathkumar, Sistla Ramakrishna, Prakash V. Diwan, Janapala V. Rao, Ratnam Ramesh, Hartmut Laatsch
  • Chalcomycin derivatives
    Publication number: 20060111309
    Abstract: The invention relates to novel chalcomycin derivatives, medicaments containing said derivatives or the salts thereof, and the use of chalcomycin derivatives for treating diseases, especially infections. The inventive chalcomycin derivatives are acylated on the sugar esters and derivatives are also acylated on the 9-carbonyl function.
    Type: Application
    Filed: April 15, 2005
    Publication date: May 25, 2006
    Applicant: Biofrontera Discovery GmbH
    Inventors: Werner Simon, Rajendra Maskey, Hartmut Laatsch, Elisabeth Helmke, Friedrich Hansske
  • Beta-carboline derived guanidine alkaloids, tiruchenduramine
    Publication number: 20050222168
    Abstract: A novel ?-carboline guanidine derivative tiruchenduramine (1) and its derivatives are disclosed. These compounds have been isolated from the Indian ascidian Synoicum macroglossum. These compounds are useful in the treatment of diabetic disorder by providing inhibition of ? (alpha)glucosidase.
    Type: Application
    Filed: March 30, 2004
    Publication date: October 6, 2005
    Applicants: Council of Scientific and Industrial Research, Department of Ocean Development
    Inventors: Yenamandra Venkateswarlu, Kodela Ravinder, Jhillu Yadav, Yandrapu Sarathkumar, Sistla Ramakrishna, Prakash Diwan, Janapala Rao, Ratnam Ramesh, Hartmut Laatsch
  • Naphthindazole-4,9-quinones
    Patent number: 5446168
    Abstract: Naphthindazole-4,9-quinones of the formula ##STR1## where R.sup.1 to R.sup.5 have the meanings given in the disclosure, and their use for combating unwanted plant growth.
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: August 29, 1995
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Ditrich, Gerhard Hamprecht, Bruno Wuerzer, Norbert Meyer, Karl-Otto Westphalen, Hartmut Laatsch
  • Naphthindazole-4,9-quinones
    Patent number: 5117005
    Abstract: Naphthindazole-4,9-quinones of the formula ##STR1## where R.sup.1 to R.sup.5 have the meanings given in the disclosure, and their use for combating unwanted plant growth.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: May 26, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Ditrich, Gerhard Hamprecht, Bruno Wuerzer, Norbert Meyer, Karl-Otto Westphalen, Hartmut Laatsch
  • Naphthindazole-4,9-quinones and use thereof for controlling undesirable plant growth
    Patent number: 5074904
    Abstract: Naphthindazole-4,9-quinones of the formula ##STR1## where R.sup.1 to R.sup.5 have the meanings given in the disclosure, and their use for combating unwanted plant growth.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: December 24, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Ditrich, Gerhard Hamprecht, Bruno Wuerzer, Norbert Meyer, Karl-Otto Westphalen, Hartmut Laatsch
  • Controlling undesirable plant growth using naphthindazole-4,9-quinones
    Patent number: 5007954
    Abstract: Naphthindazole-4,9-quinones of the formula ##STR1## where R.sup.1 to R.sup.5 have the meanings given in the disclosure, and their use for combating unwanted plant growth.
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: April 16, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Ditrich, Gerhard Hamprecht, Bruno Wuerzer, Norbert Meyer, Karl-Otto Westphalen, Hartmut Laatsch