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:
Feb. 19, 2008
Filed:
Mar. 14, 2003
Applicants:
Jinichiro Kato, Nobeoka, JP;
Satoru Yoshida, Nobeoka, JP;
Teruhiko Matsuo, Nobeoka, JP;
Inventors:
Assignee:
Asahi Kasei Fibers Corporation, Osaka-Shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/00 (2006.01); C08G 63/80 (2006.01); C08G 63/183 (2006.01); C02F 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Poly(trimethylene terephthalate) composition particles comprising 80% by weight or more of trimethylene terephthalate units based on the entire repeating units, having an intrinsic viscosity from 0.8 to 2 dl/g, and satisfying the following conditions (a) to (c): (a) the composition particles have a particle size of 3 mm or less and a weight of less than 1 mg/particle; (b) the composition particles have a terminal carboxyl group content of 25 meq/kg or less; and (c) the composition particles have a cyclic dimer content of 1.5% by weight or less.