Patent Number: 6,309,747

Title: Liquid curable resin composition for optical fibers

Abstract: A liquid curable resin composition for optical fibers comprising a polymer (a) having a number average molecular weight of 5,000 or more and containing at least two types of recurring ethylenic units, of which one type has a substituent group containing an ethylenically unsaturated group and the second type is substituted by a group --COOR.sup.3 (wherein R.sup.3 is a hydrogen atom or a hydrocarbon group having 1-30 carbon atoms), an aryl group, a cyano group, an alkyl group having 1-10 carbon atoms or by one or more halogen atoms.

Inventors: Suwa; Mitsuhito (Yokkaichi, JP), Komiya; Zen (Tsukuba, JP), Takasugi; Yuji (Kawasaki, JP), Ukachi; Takashi (Ushiku, JP)

Assignee: DSM N.V.

International Classification: C03C 25/24 (20060101); C03C 25/28 (20060101); C03C 25/10 (20060101); C09D 4/06 (20060101); G02B 006/00 (); G02B 006/16 (); G02B 006/44 (); C08F 002/50 (); C08L 033/04 ()

Expiration Date: 10/30/2018