Patents by Inventor William L. Younan

William L. Younan 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: 4870119
    Abstract: Water-soluble cross-linked polyamides are produced by reacting (B) a cross-linking agent with (A) the product of reacting (A.sub.1) a dicarboxylic acid and (A.sub.2) a polyamine, provided that at least one of (A.sub.1) (A.sub.2) and (B) contains an aromatic moiety or that the product of reacting (B) with (A) is further reacted with a compound containing an aromatic moiety. The products are useful as binders for aqueous printing inks.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: September 26, 1989
    Assignee: Sandoz Ltd.
    Inventors: Benjamin K. C. Yee, William L. Younan