Patents by Inventor William L. Seibel

William L. Seibel 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).

  • 2-Imidazolinylamino heterocyclic compounds useful as alpha-2 adrenoceptor agonists
    Patent number: 5965595
    Abstract: The subject invention relates to compounds having the structure: ##STR1## wherein (a) n is an integer from 1 to about 3;(b) X and Y are each independently selected from O, S and CH.sub.2, with at least one of X and Y being O or S;(c) R is unsubstituted, straight or branched chain alkanyl or alkanoxy having from 1 to about 3 non-hydrogen atoms; and(d) R' is selected from hydrogen, methyl, cyano, and halo;pharmaceutical compositions containing such compounds; and the use of such compounds for preventing or treating of disorders modulated by alpha-2 adrenoceptors.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: October 12, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Peter J. Maurer, Jeffrey J. Ares, William L. Seibel, Daniel P. Walker, Russell James Sheldon, Raymond T. Henry
  • 2-imidazolinylamino heterocyclic compounds useful as alpha-2 adrenoceptor agonists
    Patent number: 5914342
    Abstract: The subject invention relates to compounds having the structure: ##STR1## wherein (a) n is an integer from 1 to about 3;(b) X and Y are each independently selected from O, S and CH.sub.2, with at least one of X and Y being O or S;(c) R is unsubstituted, straight or branched chain alkanyl or alkanoxy having from 1 to about 3 non-hydrogen atoms; and(d) R' is selected from hydrogen, methyl, cyano, and halo; pharmaceutical compositions containing such compounds; and the use of such compounds for preventing or treating of disorders modulated by alpha-2 adrenoceptors.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: June 22, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Peter J. Maurer, Jeffrey J. Ares, William L. Seibel, Daniel P. Walker, Russell James Sheldon, Raymond T. Henry
  • Halogenated aminohexanoates and aminobutyrates antimicrobial agents
    Patent number: 5096700
    Abstract: The subject invention involves halogenated amino acid derivatives useful as antimicrobial agents having the structure: ##STR1## wherein --R is hydrogen or 2-aminoethyl; --R' is hydroxy, alkoxy, aryloxy, or an amino acid residue bonded at the amino nitrogen; --R" is hydrogen or an amino acid residue bonded at the carbonyl carbon; --X is halogen; and --Y is hydrogen or halogen.
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: March 17, 1992
    Assignee: The Procter & Gamble Company
    Inventors: William L. Seibel, Joseph H. Gardner