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:
Oct. 30, 1979
Filed:
Jun. 13, 1977
Applicant:
Inventors:
Hiroshi Mera, Hino, JP;
Yasuo Nakagawa, Hachioji, JP;
Masahiro Yamaguchi, Hachioji, JP;
Mitsuyuki Ohno, Hino, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528336 ; 528312 ; 528314 ; 528315 ; 528319 ; 528331 ; 528341 ; 528348 ;
Abstract
An aromatic polyamide having a high degree of polymerization is produced by polymerizing
Mera, Hiroshi. (1979). Process for producing polyamides with lactam or urea solvent and cacl.sub.2 (U.S. Patent No. 4172938). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4172938
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile