Patents by Inventor Rainer Obermeier

Rainer Obermeier 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 manufacture of insulin, analogs and derivatives thereof
    Patent number: 4014861
    Abstract: A process for manufacture of insulin, analogs and derivatives thereof by treating an insulin compound wherein the A- and B-chains are linked by a bis-methionyl-carbonyl-bridge, with cyano bromide.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: March 29, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rolf Geiger, Rainer Obermeier
  • Process for the preparation of insulin, analogs and derivatives thereof
    Patent number: 4013628
    Abstract: A process for the manufacture of insulin and derivatives thereof by treating an insulin derivative, wherein the A-chain is cross-linked with the B-chain by means of a sulfonyl diethyl-bisoxycarbonyl bridge and the B-chain may contain an acyl group in the 1-position, with alkali metal hydroxides or quaternary organic bases having a pH value of more than 13.
    Type: Grant
    Filed: August 14, 1975
    Date of Patent: March 22, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Obermeier, Rolf Geiger