Patents by Inventor Steve Postle

Steve Postle 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).

  • Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants
    Patent number: 8211333
    Abstract: Certain poly(oxyalkylene) colorants are disclosed along with method of preparation thereof. A method of using these colorants as fluorescent security taggants is also disclosed.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: July 3, 2012
    Assignee: Sun Chemical Corp.
    Inventors: Russell Schwartz, Don DeRussy, Dan Gloster, Steve Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova