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:
Sep. 18, 2007
Filed:
May. 29, 2002
Applicants:
Ken Tamura, Tokyo, JP;
Yoshifusa Hara, Tokyo, JP;
Inventors:
Ken Tamura, Tokyo, JP;
Yoshifusa Hara, Tokyo, JP;
Assignee:
Nippon Chemical Industrial Co., Ltd., Koto-ku, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/38 (2006.01); C08G 59/14 (2006.01); C08L 63/00 (2006.01); C08L 63/02 (2006.01); C08L 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phosphorus-containing epoxy resin has a structural unit derived from a secondary phosphine derivative represented by the following formula: wherein Rrepresents an alkylene group that may have a substituent, Rrepresents a cycloalkylene or arylene group that may have a substituent, and X represents an oxygen or sulfur atom.