Patents Assigned to Tohto Resin Products Co Ltd

Curing method to cure epoxy resins in a short time, and a method for absorbing electromagnetic wave through cured epoxy resins obtained by said curing method

Patent number: 6566414

Abstract: The present invention is a short time curing method of epoxy resin compositions composed of epoxy resins with more than 1.8 epoxy groups and curing agents which can react with epoxy groups and cure the epoxy resins at ambient temperatures or under the temperature raising conditions radiating microwave in the range of 300 MHz to 30 GHz frequency.

Type: Grant

Filed: July 6, 2001

Date of Patent: May 20, 2003

Assignees: Nippon Liner Co., Ltd., Tohto Resin Products Co., Ltd.

Inventors: Hideo Takeshima, Takao Yoshino, Hiroshi Nakanishi, Makoto Matsuura, Takashi Shimizu
Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition

Patent number: 6517743

Abstract: An epoxy resin composition which is cured transparent product having high neutron shielding capability, comprised by an epoxy resin without any not transparent inorganic substances and a hardener and characterized by said composition's viscosity at ambient temperatures is below 7000 mPa·s and said composition is curable at said temperatures.

Type: Grant

Filed: March 20, 2001

Date of Patent: February 11, 2003

Assignees: Sanoya Industry Co Ltd, Tohto Resin Products Co Ltd

Inventors: Yoshimasa Anayama, Hiroshi Nakanishi, Kenji Watanabe, Makoto Matsuura
Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition

Publication number: 20010053817

Abstract: An epoxy resin composition which is cured transparent product having high neutron shielding capability, comprised by an epoxy resin without any not transparent inorganic substances and a hardener and characterized by said composition's viscosity at ambient temperatures is below 7000 mPa·s and said composition is curable at said temperatures.

Type: Application

Filed: March 20, 2001

Publication date: December 20, 2001

Applicant: SANOYA INDUSTRY CO., LTD. and TOHTO RESIN PRODUCTS CO., LTD

Inventors: Yoshimasa Anayama, Hiroshi Nakanishi, Kenji Watanabe, Makoto Matsuura

Curing method to cure epoxy resins in a short time, and a method for absorbing electromagnetic wave through cured epoxy resins obtained by said curing method

Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition

Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition