Patents by Inventor Karl Grozinger

Karl Grozinger 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).

  • Cycloalkylaminoacid compounds, processes for making and uses thereof
    Publication number: 20050085545
    Abstract: The invention relates to the field of pharmaceutics and more specifically to compositions useful in the preparation of cycloalkyaminoacids and processes for making cycloaminoacids wherein A is a cycloalkyl optionally partially or fully halogenated and optionally substituted with one or more OH, NH2, SO2, phenyl or CF3; X is C0-8.
    Type: Application
    Filed: August 24, 2004
    Publication date: April 21, 2005
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Carl Busacca, Karl Grozinger
  • Synthesis of 3-amino-2-chloro-4-methylpyridine from acetone and ethyl cyanoacetate
    Patent number: 6136982
    Abstract: A method for making 3-amino-2-chloro-4-methylpyridine from acetone and ethyl cyanoacetate, as depicted in the following reaction scheme.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: October 24, 2000
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventor: Karl Grozinger
  • Synthesis of 3-amino-2-chloro-4-methylpyridine from malononitrile and acetone
    Patent number: 6111112
    Abstract: A method for making 3-amino-2-chloro-4-methylpyridine from malononitrile, as depicted in the following reaction scheme.
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: August 29, 2000
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventor: Karl Grozinger