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:
May. 24, 1983
Filed:
May. 29, 1981
Applicant:
Inventors:
Matsuo Hirami, Yawata, JP;
Kazushige Kudo, Joyo, JP;
Tsutomu Sugie, Nara, JP;
Toshihide Hibino, Uji, JP;
Ryoichi Tsurutani, Uji, JP;
Shigemitsu Murase, Uji, JP;
Assignee:
Unitika Ltd., Amagasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528338 ; 528183 ; 528229 ; 528336 ; 528337 ; 528339 ; 528340 ; 528347 ;
Abstract
A melt-processable copolyamide prepared from diamines and dicarboxylic acids by a melt-polymerization process, wherein said copolyamide contains from about 1 to 20 mol % of an aromatic amide unit having the formula ##STR1## wherein X and Y are aromatic units with extended bonds, such as 1,4-phenylene group. This copolyamide provides fiber with higher stiffness.