Patents by Inventor Roy B. Clemens

Roy B. Clemens 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).

  • Acrylate-modified aspartates and gel coat compositions made therefrom
    Patent number: 8178204
    Abstract: A coating composition is provided. The composition comprises as component I, a) a polyaspartic acid ester comprising the reaction product of one more diamines, one or more difunctional acrylate-containing compounds and one or more maleic/fumaric acid esters; b) at least one moisture scavenger; c) at least one deaerator; d) at least one plasticizer; and e) optionally additives; and as component II, one or more polyisocyanates. Methods of making and applying the composition to a substrate are also provided. The coating is particularly suitable for use as a gel coat.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: May 15, 2012
    Assignee: Bayer MaterialScience LLC
    Inventors: Myron W. Shaffer, John P. Forsythe, Leone Hermans-Blackburn, Amy S. Wylie, Aaron A. Lockhart, Emery Yuhas, Roy B. Clemens
  • Acrylate-modified aspartates and gel coat compositions made therefrom
    Publication number: 20090226645
    Abstract: A coating composition is provided. The composition comprises as component I, a) a polyaspartic acid ester comprising the reaction product of one more diamines, one or more difunctional acrylate-containing compounds and one or more maleic/fumaric acid esters; b) at least one moisture scavenger; c) at least one deaerator; d) at least one plasticizer; and e) optionally additives; and as component II, one or more polyisocyanates. Methods of making and applying the composition to a substrate are also provided. The coating is particularly suitable for use as a gel coat.
    Type: Application
    Filed: June 2, 2008
    Publication date: September 10, 2009
    Inventors: Myron W. Shaffer, Jack Forsythe, Leone Hermans-Blackburn, Amy S. Wylie, Aaron A. Lockhart, Emery Yuhas, Roy B. Clemens
  • Gel coat compositions from acrylate-modified aspartates
    Publication number: 20090226644
    Abstract: A coating composition is provided. The composition comprises as component I, a) a polyaspartic acid ester comprising the reaction product of one more diamines, one or more difunctional acrylate-containing compounds and one or more maleic/fumaric acid esters; b) at least one moisture scavenger; c) at least one deaerator; d) at least one plasticizer; and e) optionally additives; and as component II, one or more polyisocyanates. Methods of making and applying the composition to a substrate are also provided. The coating is particularly suitable for use as a gel coat.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 10, 2009
    Inventors: Amy S. Wylie, Aaron A. Lockhart, Emery Yuhas, Roy B. Clemens
  • Radiation curable compositions
    Patent number: 7268172
    Abstract: The present invention is directed to a composition curable by radiation having a wavelength of 300 nm or more, a method of producing a coated substrate using such composition and the coated product so-produced. More particularly, the composition of the present invention comprises A) from about 1 to about 99% by weight of an unsaturated polymer or oligomer, B) from about 1 to about 99% by weight of an unsaturated epoxy acrylate, C) one or more photoinitiators, and, optionally, D) one or more solvents.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: September 11, 2007
    Assignee: Bayer MaterialScience LLC
    Inventors: Hermann Bach, Roy B. Clemens, Larry Galeza, Charles A. Gambino, Scott A. Grace, Michael Dvorchak, Ramesh Subramanian