Patents by Inventor John D. Milkowski

John D. Milkowski 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).

  • N-t-butoxycarbonyl-S-lower alkanoylamidomethyl-cysteine and p-nitrophenyl esters
    Patent number: 4038306
    Abstract: Novel protecting groups for peptides containing a cysteine residue. Process for the synthesis of peptides containing a cysteine residue wherein the mercapto function of the cysteine residue is protected by an acetamidomethyl radical or other labile blocking group. Novel intermediates useful in peptide synthesis.
    Type: Grant
    Filed: September 23, 1975
    Date of Patent: July 26, 1977
    Assignee: Merck & Co., Inc.
    Inventors: John D. Milkowski, Daniel F. Veber, Ralph F. Hirschmann