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. 22, 1977
Filed:
May. 29, 1975
Applicant:
Inventors:
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 65 ; 260 / ; 260 / ;
Abstract
A process for preparing aromatic polyamides which comprising contacting (I) a solution or dispersion consisting of a solution or dispersion in a polar, non-basic and inert organic liquid medium of at least one starting material selected from the group consisting of
Noma, Takashi. (1977). Process for preparing aromatic polyamides with sodium carbonate hydrate (U.S. Patent No. 4009154). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4009154
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile