Patents by Inventor William Steber

William Steber 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).

  • Patent number: 5213810
    Abstract: The invention relates to certain stable microsphere compositions suitable for parenteral administration containing a fat or wax or mixture thereof; a biologically active protein, peptide or polypeptide; and an oil, semi-soft fat, fatty acid derivative or mixture thereof. The invention also relates to a method of making the microsphere compositions.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: May 25, 1993
    Assignee: American Cyanamid Company
    Inventor: William Steber
  • Patent number: 5178874
    Abstract: Veterinary delayed release dosage forms which remain in the rumeno-reticular sac of an animal over an extended period of time and in which the therapeutically active substance has a predictable and delayed release pattern. The compositions comprise a dense filler, a disintegrant and a therapeutically active substance. The dosage form has a hydrophobic polymer or co-polymer coating and can deliver a plurality of doses of a medicament intermittently at a preset time interval in the rumen.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: January 12, 1993
    Assignee: SmithKline Beechman Corporation
    Inventors: Lilian Kwan, William Steber
  • Patent number: 5110598
    Abstract: Veterinary delayed release dosage forms which remain in the rumeno-reticular sac of an animal over an extended period of time and in which the therapeutically active substance has a predictable and delayed release pattern. The compositions comprise a dense filler, a disintegrant and a therapeutically active substance. The dosage form a hydrophobic polymer or co-polymer coating and can deliver a plurality of doses of a medicant intermittently at a present time interval in the rumen.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: May 5, 1992
    Assignee: SmithKline Beecham Corp.
    Inventors: Lilian Kwan, William Steber
  • Patent number: 4837381
    Abstract: The invention is a microsphere composition of fat or wax or mixture thereof and a biologically active protein, peptide or polypeptide suitable for parenteral administration. The invention is also a slow release composition of fat or wax or mixture thereof and a biologically active protein, peptide or polypeptide suitable for parenteral administration. The invention also relates to methods for increasing and maintaining increased levels of growth hormone in the blood of treated animals for extended periods of time, increasing weight gains in animals, and increasing milk production of lactating animals by the administration of compositions of the invention.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: June 6, 1989
    Assignee: American Cyanamid Company
    Inventors: William Steber, Richard Fishbein, Susan M. Cady