Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate
2005-02-22
2005-02-22
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
C522S090000, C522S097000, C522S182000, C522S120000, C522S121000, C522S028000, C522S173000, C522S174000, C428S379000, C428S380000, C428S388000, C428S426000, C428S441000
Reexamination Certificate
active
06858657
ABSTRACT:
The present invention provides a curable composition, comprising: a (meth)acrylate urethane compound derived from a polypropylene glycol or a propyleneoxide ethyleneoxide copolymer glycol having a molecular weight between 1,000 and 13,000 and an amount of unsaturation less than 0.01 meq/g. The liquid curable resin composition of the present invention has improved liquid stability and can produce cured products having superior mechanical characteristics by polymerization. The composition further comprises preferably a primary or secondary amine. The liquid curable resin composition can be used as a coating material for optical fibers, adhesives, and the like. The composition is particularly suitable as a coating material for optical fibers for which long-term stability is required.
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patent: 874 012 (1998-10-01), None
Abel Adrianus G. M.
Alkema Duurt P. W.
Komiya Zen
Mase Masahito
Ukachi Takashi
DSM IP Assets B.V.
JSR Corporation
Mayer Brown Rowe & Maw LLP
McClendon Sanza L.
Seidleck James J.
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