Patents by Inventor Sean P. Walsh

Sean P. Walsh 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).

  • Unsaturated ester resin composition, unsaturated ester-cured product, and manufacturing method therefor
    Patent number: 9127159
    Abstract: An object of the present invention is to provide a curable resin composition capable of giving a cured product which is excellent in mechanical properties (such as elastic modulus) and toughness. The curable resin composition contains 60 to 99 parts by mass of an unsaturated ester resin, 0.5 to 20 parts by mass of an epoxy resin, and 0.1 to 20 parts by mass of crosslinked rubber particles having a number average particle diameter of 20 nm to 600 nm. The crosslinked rubber particles are obtained by polymerizing a vinyl monomer in the presence of one or more rubber polymers selected from the group consisting of a butadiene rubber, a butadiene-styrene rubber, a butadiene-butyl acrylate rubber, a butyl acrylate rubber and an organosiloxane rubber.
    Type: Grant
    Filed: August 11, 2009
    Date of Patent: September 8, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Nobuo Miyatake, Sean P. Walsh
  • UNSATURATED ESTER RESIN COMPOSITION, UNSATURATED ESTER-CURED PRODUCT, AND MANUFACTURING METHOD THEREFOR
    Publication number: 20110190449
    Abstract: An object of the present invention is to provide a curable resin composition capable of giving a cured product which is excellent in mechanical properties (such as elastic modulus) and toughness. The curable resin composition contains 60 to 99 parts by mass of an unsaturated ester resin, 0.5 to 20 parts by mass of an epoxy resin, and 0.1 to 20 parts by mass of crosslinked rubber particles having a number average particle diameter of 20 nm to 600 nm. The crosslinked rubber particles are obtained by polymerizing a vinyl monomer in the presence of one or more rubber polymers selected from the group consisting of a butadiene rubber, a butadiene-styrene rubber, a butadiene-butyl acrylate rubber, a butyl acrylate rubber and an organosiloxane rubber.
    Type: Application
    Filed: August 11, 2009
    Publication date: August 4, 2011
    Applicants: KANEKA CORPORATION, KANEKA TEXAS CORPORATION
    Inventors: Nobuo Miyatake, Sean P. Walsh
  • Reinforcing structural rebar and method of making the same
    Patent number: 5763042
    Abstract: The present invention provides a reinforcing structural rebar. The rebar comprises an inner core formed by pultruding reinforcing fibers through a bath of a first resin material, the inner core typically containing at least about 40 percent by weight reinforcing fibers and an outer cladding of a corrosion resistant and reinforced second resin material.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: June 9, 1998
    Assignees: Reichhold Chemicals, Inc., Marshall Industries Composites
    Inventors: Mark A. Kaiser, Sean P. Walsh, Nelson H. Douglass
  • Method of making reinforcing structural rebar
    Patent number: 5650109
    Abstract: The present invention provides a reinforcing structural rebar. The rebar comprises an inner core formed by pultruding reinforcing fibers through a bath of a first resin material, the inner core typically containing at least about 40 percent by weight reinforcing fibers and an outer cladding of a corrosion resistant and reinforced second resin material.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: July 22, 1997
    Assignees: Reichhold Chemicals, Inc., Marshall Industries Composites
    Inventors: Mark A. Kaiser, Sean P. Walsh, Nelson H. Douglass
  • Method of making prepreg
    Patent number: 5609806
    Abstract: A formable prepreg, and a method of making a formable prepreg by a pultrusion process. The method includes (a) impregnating reinforcing fiber with a thermosetting resin matrix, and (b) passing the resin impregnated reinforcing fiber through a die within which the resin impregnated reinforcing fiber is subjected to conditions sufficient to thicken the thermosetting resin matrix, to provide a formable prepreg. The present invention also provides a method of making a molded article using the prepreg of the present invention.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: March 11, 1997
    Assignee: Reichhold Chemicals, Inc.
    Inventors: Sean P. Walsh, Nelson H. Douglass