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:
Dec. 02, 2008
Filed:
Aug. 27, 2003
Applicants:
Toru Morita, Nobeoka, JP;
Hitoshi Yamazaki, Nobeoka, JP;
Jinichiro Kato, Nobeoka, JP;
Teruhiko Matsuo, Nobeoka, JP;
Inventors:
Toru Morita, Nobeoka, JP;
Hitoshi Yamazaki, Nobeoka, JP;
Jinichiro Kato, Nobeoka, JP;
Teruhiko Matsuo, Nobeoka, JP;
Assignee:
Asahi Kasei Fibers Corporation, Osaka-Shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 16/00 (2006.01); B60C 9/00 (2006.01); D01F 6/28 (2006.01); D01F 6/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Polyketone fibers comprising, on the basis of the entire repeating units, 95% by mole of a repeating unit of the formula (1) shown below, and showing a minimum value (A(F)) of a UV absorbance of 0.5 or less in a wavelength region of 210 to 240 nm.—CHCH—CO—   (1)