Patents by Inventor David Alan Berges

David Alan Berges 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).

  • Substituted indolizino?1,2-b!quinolinones
    Patent number: 5883255
    Abstract: The present invention provides a method of treating viral infections by using antiviral substituted indolizino?1,2-b!quinolinone compounds, antiviral substituted indolizino?1,2-b!quinolinone compounds, and pharmaceutical compositions thereof.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: March 16, 1999
    Assignee: SmithKline Beecham Corporation
    Inventors: David Alan Berges, Robert Philip Hertzberg, Randall Keith Johnson, William Dennis Kingsbury
  • 7-Acylamino-3-[1-[2-(carboxymethylamino]ethyl) tetrazol-5-ylthiomethyl]-3-cephem-4-carboxylic acids
    Patent number: 4117125
    Abstract: Novel cephalosporins having various acyl substituents at the 7-position and a carboxymethylaminoethyl substituted tetrazolylthiomethyl group at the 3-position of the cephem nucleus are prepared. These compounds have antibacterial activity.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: September 26, 1978
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 7-Acylamino-3-[1-(2-sulfamidoethyl)tetrazol-5-ylthiomethyl]-3- cephem-4-carboxylic acids
    Patent number: 4117123
    Abstract: Novel cephalosporins having various acyl substituents at the 7- position and a sulfamidoethyl substituted tetrazolylthiomethyl group at the 3- position of the cephem nucleus are prepared. These compounds have antibacterial activity.
    Type: Grant
    Filed: June 9, 1977
    Date of Patent: September 26, 1978
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 7-Acylamino-3-[[3-(carboxymethyl)thio-1H-1,2,4-triazol-5-yl]thiom ethyl]-3-cephem-4-carboxylic acids
    Patent number: 4117124
    Abstract: Novel cephalosporins having various acyl substituents at the 7-position and a carboxymethylthio substituted triazolylthiomethyl group at the 3-position of the cephem nucleus are prepared. These compounds have antibacterial activity.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: September 26, 1978
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 3-Heterocyclicthiomethylcephalosporins
    Patent number: 4018759
    Abstract: Cephalosporins containing a heterocyclicthiomethyl group at position 3 are prepared. The heterocyclic group is 5-oxo-.DELTA..sup.2 -1,2,4-triazolinyl, 5-thiono-.DELTA..sup.2 -1,2,4-triazolinyl, 5-oxo-.DELTA..sup.2 -1,2,4-thiadiazolinyl or 5-thiono-.DELTA..sup.2 -1,3,4-thiadiazolinyl. The compounds have antibacterial activity.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: April 19, 1977
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 3-Heterocyclicthiomethylcephalosporins
    Patent number: 3957768
    Abstract: Cephalosporins containing a heterocyclicthiomethyl group at position 3 are prepared. The heterocyclic group is 5-oxo-.DELTA..sup.2 -1,2,4-triazolinyl, 5-thiono-.DELTA..sup.2 -1,2,4-triazolinyl, 5-oxo-.DELTA..sup.2 -1,2,4-thiadiazolinyl or 5-thiono-.DELTA..sup.2 -1,3,4-thiadiazolinyl. The compounds have antibacterial activity.
    Type: Grant
    Filed: December 3, 1974
    Date of Patent: May 18, 1976
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 7-Amino-3-(1,2,4-triazolinylthiomethyl)cephalosporins
    Patent number: 3946005
    Abstract: Cephalosporins containing a heterocyclicthiomethyl group at position 3 are prepared. The heterocyclic group is 5-oxo-.DELTA..sup.2 -1,2,4-triazolinyl, 5-thiono-.DELTA..sup.2 -1,2,4-triazolinyl, 5-oxo-.DELTA..sup.2 -1,2,4-thiadiazolinyl or 5-thiono-.DELTA..sup.2 -1,3,4-thiadiazolinyl. The compounds have antibacterial activity.
    Type: Grant
    Filed: December 3, 1974
    Date of Patent: March 23, 1976
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges
  • 7-Amino-3-(1,3,4-thiadiazolinylthio-methyl) cephalosporins
    Patent number: 3943129
    Abstract: Cephalosporins containing a heterocyclicthiomethyl group at position 3 are prepared. The heterocyclic group is 5-oxo-.DELTA..sup.2 -1,2,4-triazolinyl, 5-thiono-.DELTA..sup.2 -1,2,4-triazolinyl, 5-oxo-.DELTA..sup.2 -1,2,4-thiadiazolinyl or 5-thiono-.DELTA..sup.2 -1,3,4-thiadiazolinyl. The compounds have antibacterial activity.
    Type: Grant
    Filed: December 3, 1974
    Date of Patent: March 9, 1976
    Assignee: SmithKline Corporation
    Inventor: David Alan Berges