Patents by Inventor Keith Joseph Kunitsky

Keith Joseph Kunitsky 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).

  • Methods for preparing polymers from phenolic materials and compositions relating thereto
    Patent number: 7728082
    Abstract: A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.
    Type: Grant
    Filed: March 16, 2009
    Date of Patent: June 1, 2010
    Assignee: DuPont Electronic Polymers L.P.
    Inventors: Keith Joseph Kunitsky, Michael Thomas Sheehan, James Ralph Sounik, Mark Elliot Wagman
  • Methods for preparing polymers from phenolic materials and compositions relating thereto
    Publication number: 20090176947
    Abstract: A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.
    Type: Application
    Filed: March 16, 2009
    Publication date: July 9, 2009
    Inventors: Keith Joseph Kunitsky, Michael Thomas Sheehan, James Ralph Sounik, Mark Elliot Wagman
  • Methods for preparing polymers from phenolic materials and compositions relating thereto
    Patent number: 7521526
    Abstract: A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.
    Type: Grant
    Filed: July 21, 2007
    Date of Patent: April 21, 2009
    Assignee: Dupont Electronic Polymers L.P.
    Inventors: Keith Joseph Kunitsky, Michael Thomas Sheehan, James Ralph Sounik, Mark Elliot Wagman
  • Methods for preparing polymers from phenolic materials and compositions relating thereto
    Publication number: 20080033126
    Abstract: A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.
    Type: Application
    Filed: July 21, 2007
    Publication date: February 7, 2008
    Inventors: Keith Joseph Kunitsky, Michael Thomas Sheehan, James Ralph Sounik, Mark Elliot Wagman