Patents by Inventor Olav E. Trygstad

Olav E. Trygstad 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).

  • Peptides for the treatment of hyperglycaemia
    Patent number: 4596790
    Abstract: Peptides of formula IpGlu-X-Asp-Gly (I)(where X is Glu, Asp or Gln, and Gly, pGlu, Glu, Gln and Asp represent residues of glycine and L-forms of pyroglutamic acid, glutamic acid, glutamine and aspartic acid respectively) and/or physiologically acceptable salts thereof are disclosed together with a process for their preparation. The compounds may be used in the treatment of hyperglycaemia, and pharmaceutical compositions comprising as active ingredient at least one compound of formula I are also disclosed.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: June 24, 1986
    Assignee: Nyegaard & Co. A/S
    Inventors: Olav E. Trygstad, Karl-Ludwig Reichelt, Kirsten Titlestad
  • Chemical compounds
    Patent number: 4260601
    Abstract: The tripeptide L-pyroglutamyl-L-histidyl-glycine is disclosed. The tripeptide possesses anorexic properties. Process for the preparation of the compound and pharmaceutical compositions containing the compound as active ingredient are described and exemplified.
    Type: Grant
    Filed: October 23, 1979
    Date of Patent: April 7, 1981
    Assignee: Nyegaard & Co. A/S
    Inventors: Karl-Ludwig Reichelt, Olav E. Trygstad
  • Chemical compounds
    Patent number: 4186198
    Abstract: The invention relates to L-pyroglutamyl-L-seryl-glycyl-glycine amide which possesses the ability to increase serum testosterone levels and is thus of interest in promoting anabolism and other hormonal effects associated with testosterone. Process for the preparation of the compound and pharmaceutical compositions containing the compound as active ingredient are described and exemplified.
    Type: Grant
    Filed: September 6, 1978
    Date of Patent: January 29, 1980
    Assignee: Nyegaard & Co. A/S
    Inventors: Karl-Ludwig Reichelt, Olav E. Trygstad