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. 15, 1987
Filed:
Feb. 26, 1985
Applicant:
Inventors:
Isao Sasaki, Hiroshima, JP;
Kozi Nishida, Otake, JP;
Masaru Morimoto, Otake, JP;
Takashi Yamamoto, Hiroshima, JP;
Assignee:
Mitsubishi Rayon Company Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
350 9634 ; 350 9629 ;
Abstract
A plastic light-transmitting fiber having a core-sheath structure. A polymer having methacrylimide or N-substituted methacrylimide units is used for the core component. A polymer having a refractive index smaller by at least 1% than that of the polymer of the core component is used for the sheath component. The heat resistance of the light-transmitting fiber is highly improved.
Quick Actions:
Sasaki, Isao. (1987). Light-transmitting fiber (U.S. Patent No. 4693553). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4693553
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile