Stock material or miscellaneous articles – Composite
Reexamination Certificate
2007-05-08
2007-05-08
McClendon, Sanza L. (Department: 1711)
Stock material or miscellaneous articles
Composite
C428S426000, C428S441000, C428S423100, C428S423300, C428S412000, C427S508000, C427S514000, C427S516000, C427S517000, C427S520000, C427S513000, C427S162000, C427S163100, C427S163200, C522S071000, C522S039000, C522S050000, C522S063000, C522S065000, C522S090000, C522S096000, C522S182000, C385S147000
Reexamination Certificate
active
10240559
ABSTRACT:
The invention relates to a liquid curable resin composition capable of forming a ribbon matrix material which can be completely removed from a coloring layer when separating the optical fiber ribbon. A liquid curable resin composition comprising: (1) 30–80 wt. % of a urethane (meth)acrylate produced by reacting (A) a polyol compound, (B) a polyisocyanate compound, and (C) a (meth)acrylate compound containing a hydroxyl group, (2) 0.01–10 wt % of 2-methly-1-[4-(methylthio)phenyl]-2-morpholino-propan-1-one, and (3) 10–70 wt. % of a polymerizable diluent comprising a polymerizable monofunctional vinyl monomer which is copolymerizable with the component (1), wherein a two-layer film, which is obtained by applying the composition to a cured film of a UV-curable resin comprising the compound shown by the above formula (1) and curing the composition, has a T-peel strength of about 1.8 g/cm or less.
REFERENCES:
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patent: 6136880 (2000-10-01), Snowwhite et al.
patent: 6326414 (2001-12-01), Iida
patent: 6359025 (2002-03-01), Snowwhite et al.
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patent: 2003/0100627 (2003-05-01), Bishop et al.
patent: 98 070210 (1998-12-01), None
ASTM Standard search—search results from http://www.astm.org. Aug. 20, 2004 1 page.
Chemical Abstracts, Vo. 104, No. 20, May 19, 1986, Abstract No. 173124 for “Resin Compositions for Coating Optical Fibers”, p. 286.
Chemical Abstracts Vo. 109, No. 10, Sep. 5, 1988, Abstract No. 78490, for “Glass Optical Fibers Coated With Ultraviolet-Curable Resins”, p. 322.
Komiya Zen
Ukachi Takashi
DSM IP Assets B.V.
McClendon Sanza L.
Nixon & Vanderhye P.C.
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