Patents by Inventor Francis Mark Prince

Francis Mark Prince 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).

  • Metal quenching medium
    Patent number: 7771548
    Abstract: Disclosed is a quenching medium for treating a heated metal part, said medium comprising water and a polyacrylate terpolymer comprising acrylamide and/or methacrylamide monomer units, acrylic acid and/or methacrylic acid monomer units and alkyl alkoxylate allyl ether monomer units where the acid groups are in the form of an alkali metal salt and where the alkyl alkoxylate allyl ether monomers are of the formula where n is an integer from 1 to about 30, R is ethylene, propylene or butylene and G is an alkyl group of 8 to 30 carbon atoms. Also disclosed is a method for quenching a heated metal part, which process comprises immersing said metal part in the quenching medium. Also disclosed are the polyacrylate ternary copolymers.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: August 10, 2010
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Robert Cockcroft, David Petty, Frank J. L. Leroy, Francis Mark Prince, Nils Hoeck, Paul Guedj
  • Metal Quenching Medium
    Publication number: 20100065169
    Abstract: Disclosed is a quenching medium for treating a heated metal part, said medium comprising water and a polyacrylate terpolymer comprising acrylamide and/or methacrylamide monomer units, acrylic acid and/or methacrylic acid monomer units and alkyl alkoxylate allyl ether monomer units where the acid groups are in the form of an alkali metal salt and where the alkyl alkoxylate allyl ether monomers are of the formula where n is an integer from 1 to about 30, R is ethylene, propylene or butylene and G is an alkyl group of 8 to 30 carbon atoms. Also disclosed is a method for quenching a heated metal part, which process comprises immersing said metal part in the quenching medium. Also disclosed are the polyacrylate ternary copolymers.
    Type: Application
    Filed: November 23, 2009
    Publication date: March 18, 2010
    Inventors: Robert Cockcroft, David Petty, Frank J.L. Leroy, Francis Mark Prince, Nils Hoeck, Paul Guedj