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:
May. 28, 1991
Filed:
Mar. 01, 1989
Applicant:
Inventors:
Akio Ohdaira, Iwakuni, JP;
Shunji Abe, Tokyo, JP;
Noboru Wakatsuki, Kawasaki, JP;
Akira Tanaka, Kawasaki, JP;
Assignees:
Mitsui Petrochemcial Industries, Ltd., Tokyo, JP;
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; G02B / ;
U.S. Cl.
CPC ...
350 9634 ; 350 9629 ; 428373 ; 428375 ; 428392 ;
Abstract
An optical fiber of heat resistance, low-temperature resistance, flexural resistance, water absorption resistance, chemical resistance, etc., is provided by comprising a composition in which a core component comprises a polycarbonate or a silica type glass, a clad component comprises a graft-modified poly (4-methyl-1-pentene).