Patents by Inventor Don DeRussy

Don DeRussy 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
  • Poly(oxyalkylene)ated Colorants and Their Use as Fluorescent Security Taggants
    Publication number: 20110226155
    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: Application
    Filed: February 22, 2011
    Publication date: September 22, 2011
    Applicant: Sun Chemical Corporation
    Inventors: Russell Schwartz, Don DeRussy, Daniel F. Gloster, Stephen Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova
  • Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants
    Patent number: 7914703
    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: November 29, 2007
    Date of Patent: March 29, 2011
    Assignee: Sun Chemical Corporation
    Inventors: Russell Schwartz, Don DeRussy, Daniel F. Gloster, Stephen Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova
  • Poly(oxyalkylene)ated Colorants and Their Use as Fluorescent Security Taggants
    Publication number: 20080178763
    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: Application
    Filed: November 29, 2007
    Publication date: July 31, 2008
    Applicant: Sun Chemical Corporation
    Inventors: Russell Schwartz, Don DeRussy, Daniel F. Gloster, Stephen Postle, Rakesh Vig, Ewell Cook, Tatiana Romanova