Patents by Inventor Carl Francis Deering

Carl Francis Deering 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).

  • Process for preparing a cyclic amino acid anticonvulsant compound
    Patent number: 6538148
    Abstract: An improved process for the preparation of a cyclic amino acid by a novel synthesis is described where benzonitrile is treated with an alkali metal and an amine under Birch reduction conditions to generate in situ an anionic intermediate which is alkylated with an &agr;-haloacetic acid moiety which is subsequently converted to the desired product, as well as valuable intermediates used in the process.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: March 25, 2003
    Assignee: Warner-Lambert Company
    Inventors: Carl Francis Deering, Kenneth Earl Mennen, Robert Ramage
  • Process for preparing a cyclic amino acid anticonvulsant compound
    Publication number: 20020010371
    Abstract: An improved process for the preparation of a cyclic amino acid by a novel synthesis is described where benzonitrile is treated with an alkali metal and an amine under Birch reduction conditions to generate in situ an anionic intermediate which is alkylated with an &agr;-haloacetic acid moiety which is subsequently converted to the desired product, as well as valuable intermediates used in the process.
    Type: Application
    Filed: March 16, 2001
    Publication date: January 24, 2002
    Inventors: Carl Francis Deering, Kenneth Earl Mennen, Robert Ramage
  • Process for preparing a cyclic amino acid anticonvulsant compound
    Patent number: 6294690
    Abstract: An improved process for the preparation of a cyclic amino acid by a novel synthesis is described where benzonitrile is treated with an alkali metal and an amine under Birch reduction conditions to generate in situ an anionic intermediate which is alkylated with an &agr;-haloacetic acid moiety which is subsequently converted to the desired product, as well as valuable intermediates used in the process.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: September 25, 2001
    Assignee: Warner-Lambert Company
    Inventors: Carl Francis Deering, Kenneth Earl Mennen, Robert Ramage