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:
Apr. 02, 1996
Filed:
May. 03, 1994
Applicant:
Inventors:
Francis P McCullough, Jr, Lake Jackson, TX (US);
R Vernon Snelgrove, Damon, TX (US);
Bhuvenesh C Goswami, Clemson, SC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
P02G / ;
U.S. Cl.
CPC ...
428364 ; 428357 ; 428359 ; 428375 ; 428408 ; 521149 ;
Abstract
A process for preparing a non-flammable linear non-graphitic carbonaceous polymeric fiber, yarn or tow having improved elongability containing the step of heat treating a linear stabilized polymeric fiber, yarn or tow having an LOI greater than 40 without any substantial tension or stress in an inert non-oxidizing atmosphere at a temperature so as to irreversibly heat set said fiber yarn or tow.