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:
Sep. 18, 1990
Filed:
Nov. 21, 1989
Applicant:
Inventors:
Francis P McCullough, Jr, Lake Jackson, TX (US);
Bhuvenesh C Goswami, Clemson, SC (US);
R Vernon Snelgrove, Damon, TX (US);
David M Hall, Auburn, AL (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428222 ; 428221 ; 428224 ; 428292 ; 428362 ; 428364 ; 428367 ; 428369 ; 428371 ; 428373 ; 428408 ;
Abstract
The invention resides in a nonlinear heat set aromatic polyamide fiber having a reversible deflection of greater than 1.2:1 at ambient temperatures, an aspect ratio of greater than 10:1, and a bending strain value less than 50%, and the method of preparing said fiber.