The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2000
Filed:
May. 16, 1997
Applicant:
Inventors:
Yorikazu Tamura, Kawasaki, JP;
Tsuneo Hagiwara, Kawasaki, JP;
Yasushi Ishihama, Wakayama, JP;
Minoru Kayanoki, Wakayama, JP;
Takakuni Ueno, Kawasaki, JP;
Assignee:
Teijin Seiki Company, Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; G03C / ; G03C / ; C08F / ;
U.S. Cl.
CPC ...
522 96 ; 522 97 ; 522 90 ; 430269 ; 4302841 ; 264401 ; 264496 ; 528 59 ; 526301 ;
Abstract
A photocurable resin composition comprising (A) at least one urethane di- or triacrylate, which is a novel compound, (B) a radical polymeriable compound, and (C) a photopolymerization initiator, the weight ratio of the urethane acrylate (A) to the radical polymerizable compound (B) being 65/35 to 25/75; a method of producing a photo-cured object by photo-curing the above composition; a vacuum casting mold obtained by the above method; and a vacuum casting method using the above mold.