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:
Oct. 24, 2000
Filed:
Apr. 22, 1998
Applicant:
Inventors:
Paul Eugene Snowwhite, Elgin, IL (US);
Timothy Edward Bishop, Algonquin, IL (US);
David Michael Szum, Elmhurst, IL (US);
Zen Komiya, Tsukuba Ibaraki, JP;
Miyuki Ishikawa, Tsukuba Ibaraki, JP;
Takashi Ukachi, Ushiku Ibaraki, JP;
Assignees:
DSM N.V., Heerlen, NL;
JSR Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
522 64 ; 522 38 ; 522 96 ; 428378 ; 428380 ; 428383 ;
Abstract
A radiation-curable composition for optical fiber coatings comprising about 10 wt. % to about 90 wt. % of at least one radiation-curable oligomer (A), about 10 wt. % to about 90 wt. % of at least one radiation-curable monomer diluent (B), and an effective amount of at least one photoinitiator (C) represented by formula (1): ##STR1## wherein Ar.sup.1 to Ar.sup.3 are aromatic groups which may have one or more substitution groups.