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. 04, 2008
Filed:
Jan. 20, 2004
Applicants:
Hiroaki Kuwahara, Yamaguchi, JP;
Hirotaka Suzuki, Yamaguchi, JP;
Shunichi Matsumura, Yamaguchi, JP;
Inventors:
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 3/00 (2006.01); C08F 118/02 (2006.01); C08F 20/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a carbon fiber precursor polymer which is composed of a polymer comprising 50 wt % or greater of an acrylonitrile component, wherein the isotactic triad proportion of the acrylonitrile structural chain composed of the acrylonitrile component is 35 mole percent or greater based on the total triad proportion of the acrylonitrile structural chain composed of the acrylonitrile component, the carbon fiber precursor polymer allowing flame retardant treatment to be carried out slowly from a low temperature range, and having satisfactory flame retardant properties including low heat generation.