Patents by Inventor Marc C. Putnam

Marc C. Putnam 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).

  • Surface application of polymers to improve paper strength
    Patent number: 8900412
    Abstract: Stable, coating compositions are disclosed. The compositions comprise an aqueous solution of cationic polymer, starch, and a stabilizing agent. Method of using the coating composition to improve the dry strength of paper is also disclosed.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: December 2, 2014
    Assignee: Solenis Technologies Cayman, L.P.
    Inventors: Sachin Borkar, Marc C. Putnam
  • Surface application of polymers and polymer mixtures to improve paper strength
    Patent number: 8696869
    Abstract: Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch. Method of using the coating composition to improve the dry strength of paper is also disclosed.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: April 15, 2014
    Assignee: Hercules Incorporated
    Inventors: Sachin Borkar, Marc C. Putnam
  • Surface Application of Polymers to Improve Paper Strength
    Publication number: 20120111517
    Abstract: Stable, coating compositions are disclosed. The compositions comprise an aqueous solution of cationic polymer, starch, and a stabilizing agent. Method of using the coating composition to improve the dry strength of paper is also disclosed.
    Type: Application
    Filed: October 31, 2011
    Publication date: May 10, 2012
    Inventors: Sachin Borkar, Marc C. Putnam
  • Surface Application of Polymers and Polymer Mixtures to Improve Paper Strength
    Publication number: 20110112224
    Abstract: Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch. Method of using the coating composition to improve the dry strength of paper is also disclosed.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 12, 2011
    Inventors: Sachin Borkar, Marc C. Putnam