Patents by Inventor G. Michael Collins

G. Michael Collins 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).

  • Method of coating paper with copolymers of vinyl alcohol and itaconic acid
    Patent number: 7608660
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: October 27, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Water-soluble film from copolymers of vinyl alcohol and itaconic acid, and paper coating articles therefrom
    Patent number: 7608661
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95 % hydrolyzed, and a process for preparing the same.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: October 27, 2009
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
    Patent number: 7608662
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: October 27, 2009
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
    Publication number: 20080176998
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 24, 2008
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
    Publication number: 20080176993
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 24, 2008
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Copolymers of Vinyl alcohol and Itaconic acid for use in paper coatings
    Publication number: 20080171825
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Application
    Filed: March 17, 2008
    Publication date: July 17, 2008
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins
  • Copolymers of vinyl alcohol and itaconic acid for use in paper coatings
    Patent number: 7371796
    Abstract: The present invention is a composition useful for coating the surface of paper wherein the coating composition is an aqueous solution comprising less than 40 wt % water and consisting essentially of a polyvinyl alcohol copolymer that is at least about 95% hydrolyzed, and a process for preparing the same.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: May 13, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Elliott Echt, Peter A. Morken, G. Michael Collins