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:
Mar. 22, 2011
Filed:
Jul. 21, 2006
Applicants:
Akihiko Tobisawa, Tokyo, JP;
Takayoshi Masaki, Tokyo, JP;
Inventors:
Akihiko Tobisawa, Tokyo, JP;
Takayoshi Masaki, Tokyo, JP;
Assignee:
Sumitomo Bakelite Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B 3/40 (2006.01); C08F 283/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates generally to resin compositions having a generally halogen-free epoxy resin that can encompass a novolak epoxy resin, a curing agent and a non-halogen flame-retardant material. For some embodiments, the curing agent can be dicyandiamide and the flame retardant can be 10-benzyl-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide. Embodiments of the current invention also relate generally to prepregs prepared from such resin compositions; and laminates prepared from such prepregs.