Patents by Inventor Matthew John Kryger

Matthew John Kryger 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).

  • Polyurethane urea-containing compositions and optical articles and methods for preparing them
    Patent number: 9568643
    Abstract: A composition for the preparation of a transparent, non-elastomeric optical article is provided, the composition including: (1) a polyisocyanate component containing one or more different polyisocyanates; and (2) a component that is reactive with isocyanates, including: (a) optionally at least one polyol having a number average molecular weight greater than 500; (b) (i) at least one polyol and/or polythiol and (ii) at least one compound containing both amine and hydroxyl functional groups, wherein the compound (ii) has a number average molecular weight less than 500; and optionally (3) a urethanation catalyst. Multi-step and one-pot methods of preparing a cured, non-elastomeric polyurethane-containing optical article are also provided.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: February 14, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Nina Vassileva Bojkova, Marvin Jerome Graham, Matthew John Kryger, Federico Menta
  • POLYURETHANE UREA-CONTAINING COMPOSITIONS AND OPTICAL ARTICLES AND METHODS FOR PREPARING THEM
    Publication number: 20140171612
    Abstract: A composition for the preparation of a transparent, non-elastomeric optical article is provided, the composition including: (1) a polyisocyanate component containing one or more different polyisocyanates; and (2) a component that is reactive with isocyanates, including: (a) optionally at least one polyol having a number average molecular weight greater than 500; (b) (i) at least one polyol and/or polythiol and (ii) at least one compound containing both amine and hydroxyl functional groups, wherein the compound (ii) has a number average molecular weight less than 500; and optionally (3) a urethanation catalyst. Multi-step and one-pot methods of preparing a cured, non-elastomeric polyurethane-containing optical article are also provided.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 19, 2014
    Inventors: Nina Vassileva Bojkova, Marvin Jerome Graham, Matthew John Kryger, Federico Menta