Patents by Inventor Robin L. Hunt

Robin L. Hunt 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).

  • Abrasion resistant coating composition and coated articles
    Publication number: 20020061407
    Abstract: Describes a coating composition for the preparation of abrasion resistant coatings comprising:
    Type: Application
    Filed: December 10, 2001
    Publication date: May 23, 2002
    Inventors: James P. Colton, Randy E. Daughenbaugh, Robin L. Hunt, Vidhu J. Nagpal
  • Method of preparing a shaped article having a photochromic coating thereon
    Patent number: 6068797
    Abstract: A method of preparing a shaped article having a photochromic coating thereon, and curable photochromic powder coating compositions are described. The method includes: applying at least one curable powder coating composition to at least a portion of the interior of a mold, e.g., a lens mold, wherein at least one of the applied powder coating compositions includes a photochromic amount of photochromic material; curing at least partially the applied photochromic powder coating; charging a polymerizable organic casting composition into the mold; polymerizing the casting composition; and removing a shaped article having a photochromic coating on at least a portion of its surface from the mold.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: May 30, 2000
    Assignee: PPG Industries Ohio, Inc.
    Inventor: Robin L. Hunt
  • Isophorone-free fluorocarbon coating composition
    Patent number: 5281444
    Abstract: A coating composition containing fluoropolymer adapted for roll coating is provided with a solvent system that is free of isophorone. The solvent system comprises an ester of an aromatic acid, a high molecular weight ketone, a high molecular weight alcohol, a glycol ether ester, and a hydrocarbon solvent having a high evaporation rate.
    Type: Grant
    Filed: January 2, 1992
    Date of Patent: January 25, 1994
    Assignee: PPG Industries, Inc.
    Inventor: Robin L. Hunt
  • Organopolysiloxane containing coating compositions
    Patent number: 4795783
    Abstract: A coating composition contains a blend of(a) from about 5 percent by weight to about 35 percent by weight of a hydroxyl functional vinyl polymer having at least 2 percent by weight of hydroxyl groups based on the total weight of the vinyl polymer; and(b) from about 65 percent by weight to about 95 percent by weight of an organopolysiloxane containing hydrolyzable groups prepared by the partial hydrolysis of a compound or mixture of compounds represented by the structural formula R.sub.a SiX.sub.(4-a) wherein:R is hydrogen, alkyl, aryl, alkylaryl, arylalkyl, aryloxyalkyl or haloalkyl;X is halogen, OR.sup.1, ##STR1## or the monohydroxy or cyclic C.sub.2 to C.sub.3 residue of a 1,2- or 1,3-glycol, wherein:R.sup.1 is C.sub.1 -C.sub.3 alkyl,R.sup.2 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.3 and R.sup.4 independently are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.6 -C.sub.8 aryl,R.sup.5 is C.sub.4 -C.sub.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: January 3, 1989
    Assignee: PPG Industries, Inc.
    Inventor: Robin L. Hunt