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:
Jul. 26, 1988
Filed:
Dec. 15, 1986
Applicant:
Inventors:
Akira Sano, Kawasaki, JP;
Tetsujirou Kuroishi, Chiba, JP;
Yasunosuke Miyazaki, Machida, JP;
Shigeki Yokoyama, Yokohama, JP;
Kazuo Matsuura, Tokyo, JP;
Assignee:
Nippon Oil Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 82 ; 526 78 ; 526 87 ; 526124 ; 526125 ; 526352 ; 526904 ; 526905 ; 525242 ; 525244 ; 525245 ; 525338 ; 525339 ; 428402 ;
Abstract
An ultra-high molecular weight polyethylene powder easily soluble in organic solvents and suitable for use in the preparation of fibers or films having a high strength and a high elastic modulus, said polyethylene powder having an intrinsic viscosity in the range of 5 to 30 dl/g in decalin at 135.degree. C. and being obtained by at least two-step polymerization reactions which are: