Patents by Inventor Roger M. Weil

Roger M. Weil 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).

  • Desensitizing ink for wet offset printing
    Patent number: 4597793
    Abstract: In a desensitizing ink for the wet offset printing of a given area of the acceptor surface of a duplicating set containing an alkoxylated nucleophilic compound, preferably having a molecular weight lying in the range of from 2000 to 4000 and having a hydrophilic-lipophilic balance (HLB) of from 3 to 6, emulsified water is added to the mass of ink.This rapidly forms a fine stable emulsion of water in the ink which is favorable for continuous wet offset printing.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: July 1, 1986
    Assignee: Sicpa Holding S.A.
    Inventors: Albert Amon, Roger M. Weil