Patents by Inventor Fred R. Frank

Fred R. Frank 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: 4310522
    Abstract: The administration of 25-hydroxycholecalciferol, 24,25-dihydroxycholecalciferol, 25,26-dihydroxycholecalciferol, 1,25-dihydroxycholecalciferol, 25-hydroxydihydrotachysterol.sub.3, 25-hydroxyergocalciferol, 1-.alpha.-hydroxycholecalciferol, and their acylates to hens increases the thickness of the egg shells. Compositions and methods are provided.
    Type: Grant
    Filed: April 9, 1980
    Date of Patent: January 12, 1982
    Assignee: The Upjohn Company
    Inventor: Fred R. Frank
  • Patent number: 4012509
    Abstract: The administration of 25-hydroxycholecalciferol, 24,25-dihydroxycholecalciferol, 25,26-dihydroxycholecalciferol, 1,25-dihydroxycholecalciferol, 25-hydroxydihydrotachysterol.sub.3, 25-hydroxyergocalciferol, 1-.alpha.-hydroxycholecalciferol, and their acylates to hens increases the thickness of the egg shells. Composition and methods are provided.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: March 15, 1977
    Assignee: The Upjohn Company
    Inventor: Fred R. Frank