Patents by Inventor Rosemarie Wodarsch

Rosemarie Wodarsch 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).

  • N-unsubstituted amidinium salts
    Publication number: 20050043403
    Abstract: The invention relates to N-unsubstituted imidic ester alkyl sulphates, N-unsubstituted amidinium alkyl sulphates and a process for their preparation, which is characterized in that carboxamides are converted with sulphuric diesters into the corresponding imidic ester alkyl sulphates, which are reacted further with ammonia to give the analogous amidinium alkyl sulphates.
    Type: Application
    Filed: October 5, 2004
    Publication date: February 24, 2005
    Inventors: Helmut Kraus, Rosemarie Wodarsch
  • N-unsubstituted amidinium salts
    Patent number: 6841696
    Abstract: The invention relates to N-unsubstituted imidic ester alkyl sulphates, N-unsubstituted amidinium alkyl sulphates and a process for their preparation, which is characterized in that carboxamides are converted with sulphuric diesters into the corresponding imidic ester alkyl sulphates, which are reacted further with ammonia to give the analogous amidinium alkyl sulphates.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: January 11, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Kraus, Rosemarie Wodarsch
  • N-unsubstituted amidinium salts
    Publication number: 20030060653
    Abstract: The invention relates to N-unsubstituted imidic ester alkyl sulphates, N-unsubstituted amidinium alkyl sulphates and a process for their preparation, which is characterized in that carboxamides are converted with sulphuric diesters into the corresponding imidic ester alkyl sulphates, which are reacted further with ammonia to give the analogous amidinium alkyl sulphates.
    Type: Application
    Filed: August 27, 2002
    Publication date: March 27, 2003
    Inventors: Helmut Kraus, Rosemarie Wodarsch