Patents by Inventor Howard H. Frost

Howard H. Frost 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 production of latexes by the selective monomer addition
    Patent number: 5191008
    Abstract: The present invention relates to a free radical emulsion polymerization process. The latex is prepared by polymerizing (a) at least one conjugated diene, (b) at least one non-carboxylic vinyl aromatic or aliphatic comonomer selected from the group consisting of styrene, .alpha.-methyl styrene, p-methyl styrene, vinyl toluene, acrylonitrile, methacrylonitrile, vinylidene chloride, ethyl acrylate, butyl acrylate, vinyl pyridine, methylmethacrylate, hexylacrylate, 2-ethyl hexyl acrylate or mixtures thereof, and (c) at least one ethylenically unsaturated carboxylic acid monomer selected from the group consisting of acrylic acid, methacrylic acid, maleic acid, fumaric acid, .beta.-carboxyethyl acrylate, itaconic acid or mixtures thereof.
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: March 2, 1993
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Howard H. Frost, Pamela S. Graham, Ronald D. Fiedler, Ramesh N. Gujarathi