Patents by Inventor Caroline Couvelard

Caroline Couvelard 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 treating articles and methods of making same
    Patent number: 5492550
    Abstract: Surface treating articles having varying degree of smear-resistance and their methods of manufacture are presented. One preferred article is characterized by an organic matrix substantially engulfed by a novel, tough, adherent elastomeric resinous binder system comprising a reaction product of either selected from(1) a polyurethane prepolymer with an amine curative,(2) a polyurethane prepolymer emulsion with an epoxy-functional material and an amine functional material, and(3) a polyurethane polymer emulsion with an epoxy-functional material and an amine-functional material in an aqueous system.
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: February 20, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Subramanian Krishnan, Eugene J. Miller, Mary B. Donovan, Ramona M. Janochoski, Caroline Couvelard
  • Surface treating articles and methods of making same
    Patent number: 5306319
    Abstract: Surface treating articles having varying degree of smear-resistance and their methods of manufacture are presented. One preferred article is characterized by an organic matrix substantially engulfed by a novel, tough, adherent elastomeric resinous binder system comprising the reaction product of either(1) a polyurethane prepolymer, or(2) a polyurethane polymer emulsion with an epoxy-functional material and an amine-functional material in an aqueous system.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: April 26, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Subramanian Krishnan, Eugene J. Miller, Mary B. Donovan, Ramona M. Janochoski, Caroline Couvelard