Patents by Inventor Kantilal D. Patel

Kantilal D. Patel 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: 5616635
    Abstract: The present invention discloses a multicolor paint formulation which is comprised of:(1) from about 5 to about 30 weight percent of a neutralized latex made by a method which comprises (A) free radical aqueous emulsion polymerizing at a pH of less than about 3.5 a monomer mixture which comprises, based on 100 weight percent monomers: (a) from about 45 to about 85 weight percent vinyl aromatic monomers, (b) from about 15 to about 50 weight percent of at least one alkyl acrylate monomer, and (c) from about 1 to about 6 weight percent of at least one unsaturated carbonyl compound; in the presence of about 0.5 to 4.0 phm at least one phosphate ester surfactant and in the presence of about 0.5 to 4.0 phm of at least one water insoluble nonionic surface active agent to produce a latex, and (B) neutralizing the latex with ammonia to a pH which is within the range of about 7 to about 10.5 to produce the neutralized latex;(2) from about 0.5 to about 10 weight percent of hectorite clay;(3) from about 0.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: April 1, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Kantilal D. Patel