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. 10, 1991
Filed:
Oct. 23, 1989
Applicant:
Inventors:
Ho J Park, Seoul, KR;
Moo S Rhim, Kumi, KR;
Hak M Kim, Kumi, KR;
Du H Kim, Deagu, KR;
Seog C Yoo, Chunceon, KR;
Sang H Kim, Seoul, KR;
Sa N Park, Gumi, KR;
Ink S Han, Kyungsan, KR;
John T Park, Daegu, KR;
Si M Kim, Daegu, KR;
Assignee:
Kolon Industries, Inc., , KR;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528348 ; 528183 ; 528337 ; 528344 ;
Abstract
A fiber product comprising one or more fibers of aromatic polyamide polymer having a microscopic structure of an extended molecular chain, free of crystal defect layers perpendicular to the fiber axis, a high inherent viscosity of at least 3.0 [dl/g], and a high tensile strength of at least 15 g/d, said inherent viscosity being determined at 30.degree. C. using a concentration of 0.5 grams of said polymer in 100 ml of concentration sulfuric acid.