Patents by Inventor Thomas T. Zwolak

Thomas T. Zwolak 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).

  • Bio-based flame resistant thermosetting binders with improved wet resistance
    Patent number: 9487642
    Abstract: The invention provides aqueous thermosetting binder compositions exhibiting both of improved flame retardation and wet tensile strength comprising a reducing sugar, a diprimary diamine or a polyprimary diamine, a phosphorus acid salt and from 3 to 20 wt. %, based on total solids, of an aqueous polymeric polyacid solution polymer containing phosphorus or its salt, wherein the aqueous thermosetting binder composition comprises from 0.7% P (s/s) to 5% P (s/s).
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: November 8, 2016
    Assignee: Rohm and Haas Company
    Inventors: Haksu Lee, Charles J. Rand, Barry Weinstein, Thomas T. Zwolak
  • BIO-BASED FLAME RESISTANT THERMOSETTING BINDERS WITH IMPROVED WET RESISTANCE
    Publication number: 20130323493
    Abstract: The invention provides aqueous thermosetting binder compositions exhibiting both of improved flame retardation and wet tensile strength comprising a reducing sugar, a diprimary diamine or a polyprimary diamine, a phosphorus acid salt and from 3 to 20 wt. %, based on total solids, of an aqueous polymeric polyacid solution polymer containing phosphorus or its salt, wherein the aqueous thermosetting binder composition comprises from 0.7% P (s/s) to 5% P (s/s).
    Type: Application
    Filed: May 24, 2013
    Publication date: December 5, 2013
    Inventors: Haksu Lee, Charles J. Rand, Barry Weinstein, Thomas T. Zwolak