Patents by Inventor Richard D. Remaks

Richard D. Remaks 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).

  • Essentially linear polymer having a plurality of amide, imide, and ester groups therein and a method of making the same
    Patent number: 4141886
    Abstract: An essentially linear polymer having a plurality of amide, imide and ester groups therein, which is the condensation product of (1) at least one polycarboxylic acid five member ring forming reactant, (2) at least one ethylenically unsaturated polycarboxylic acid five or six member lactam ring forming reactant, (3) at least one polyfunctional amino five or six member ring forming reactant, (4) at least one glycol, (5) at least one other polyfunctional hydroxyl compound, and (6) at least one other carboxylic acid ester reactant chosen from the group consisting of the acids, esters, anhydrides, and akylesters of terephthalic, isophthalic, and benzophenone dicarboxylic acids. The molar ratio of the functional hydroxyl groups of said glycol and hydroxyl compound to the functional ester forming carboxyl groups of said acid reactants is greater than about 1.3 to 1.
    Type: Grant
    Filed: August 11, 1976
    Date of Patent: February 27, 1979
    Assignee: Phelps Dodge Industries, Inc.
    Inventors: George H. Sollner, Keith D. Bultemeier, Richard D. Remaks