Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-05-01
2007-05-01
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S312000, C568S001000, C568S006000, C568S077000, C556S007000
Reexamination Certificate
active
11157972
ABSTRACT:
An ionic compound comprising a cationic portion having a hydroxyl group and/or a carboxylic acid group and an anionic portion of the formula (1):in-line-formulae description="In-line Formulae" end="lead"?[BR4]− (1)in-line-formulae description="In-line Formulae" end="tail"?wherein R may be the same or different and represents a phenyl group substituted with F or CF3. Preferably, the anionic portion is [B(C6F5)4]−, [B(C6H4CF3)4]−or [B(C6H3F2)4]−. In other aspects, a radiation polymerization initiator and a resin composition comprising the ionic compound are provided. A resin composition prepared by using the radiation polymerization initiator generates a small amount of outgas during reaction and has excellent reactivity and transparency.
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Toba, Yasumasa, “Design of Photoinitiator System with Onion Borates for Polymerization”,Chemical Business HQ's, Color Material R and D Division, Toyo Ink Manufacturing Co., Ltd., Tsukuba, Ibaraki, Japan (2002) 59(8) 449-459 pp. 9-17 (XP-002387673).
Mizuta Yasushi
Yamamoto Yugo
Buchanan & Ingersoll & Rooney PC
Choi Ling-Sui
Mitsui Chemicals Inc.
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