Patents by Inventor John C. Knight

John C. Knight 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).

  • Process for the microbial transformation of steroids
    Patent number: 4304860
    Abstract: Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.
    Type: Grant
    Filed: February 13, 1978
    Date of Patent: December 8, 1981
    Assignee: The Upjohn Company
    Inventors: John C. Knight, Merle G. Wovcha
  • Steroid intermediates
    Patent number: 4176123
    Abstract: Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: November 27, 1979
    Assignee: The Upjohn Company
    Inventors: John C. Knight, Merle G. Wovcha
  • Composition of matter and process
    Patent number: 4098647
    Abstract: Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: July 4, 1978
    Assignee: The Upjohn Company
    Inventors: John C. Knight, Merle G. Wovcha
  • Composition of matter and process
    Patent number: 4042459
    Abstract: Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: August 16, 1977
    Assignee: The Upjohn Company
    Inventors: John C. Knight, Merle G. Wovcha
  • Composition of matter and process
    Patent number: 4039381
    Abstract: Novel compounds prepared by microbial transformation using novel mutants to selectively degrade steroids with or without 17-alkyl side chains of from 2 to 10 carbon atoms, inclusive. These compounds can be used as intermediates to make useful steroids.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: August 2, 1977
    Assignee: The Upjohn Company
    Inventors: John C. Knight, Merle G. Wovcha