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. 15, 1977
Filed:
Apr. 16, 1975
Applicant:
Inventors:
Hiroaki Koyama, Osaka, JA;
Isao Kimura, Suita, JA;
Assignee:
Nippon Kynol Incorporated, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264236 ; 81301 ; 264343 ;
Abstract
A process for producing cured phenolic filaments having improved drawability which comprises contacting cured phenolic filaments with a liquid or vapor having a concentration of at least 25 % by weight of a treating reagent selected from the group consisting of an alcohol of from 1 to 6 carbon atoms, acetone and mixture thereof.