Patents by Inventor Gurudas Zingde

Gurudas Zingde 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).

  • Oligomeric flame retardant additive
    Patent number: 6008283
    Abstract: Flame retardants comprising oligomeric bromine-containing compounds comprising aryl groups that are connected by aliphatic chains are described. Flame retardant compositions comprising the flame retardants of the present invention and flame retardant aids are also described. Polymeric compositions comprising the flame retardants of the present invention optionally combined with a flame retardant aid, along with a method of fireproofing a material, are further described.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: December 28, 1999
    Assignee: Great Lakes Chemical Corporation
    Inventors: Richard S. Rose, Gurudas Zingde, David M. Hemmerly
  • Dibromostyrene-glycidyl(meth)acrylate copolymers
    Patent number: 5565538
    Abstract: Flame retardant additive for plastics, compositions containing the additive, and methods for preparing the additives and compositions. The additives include a halostyrene-glycidyl (meth)acrylate copolymer. The compositions include a thermoplastic substrate requiring flame retardancy and copolymers of a halostyrene and glycidyl (meth)acrylate.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: October 15, 1996
    Assignee: Great Lakes Chemical Corporation
    Inventors: Gurudas Zingde, Nicolai A. Favstritsky, Ray W. Atwell