Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2011-03-15
2011-03-15
Bernshteyn, Michael M (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S161000, C428S375000, C525S452000, C525S123000, C524S556000
Reexamination Certificate
active
07906566
ABSTRACT:
The invention relates to a curable liquid resin composition comprising: (A) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 800 g/mol or more, but less than 6,000 g/mol, and (B) a urethane(meth)acrylate having a structure originating from a polyol and a number average molecular weight of 6,000 g/mol or more, but less than 20,000 g/mol, wherein the total amount of the component (A) and component (B) is 20-95 wt % of the curable liquid resin composition and the content of the component (B) is 0.1-30 wt % of the total of the component (A) and component (B).
REFERENCES:
patent: 5093386 (1992-03-01), Bishop et al.
patent: 6323255 (2001-11-01), Snowwhite
patent: 2003/0210879 (2003-11-01), Oshio et al.
patent: 1 361 240 (2003-11-01), None
patent: 1361240 (2003-11-01), None
patent: 63275619 (1988-11-01), None
patent: WO 00/18696 (2000-04-01), None
International Search Report.
Database WPI, Derwent Publications Ltd., London, GB; XP002248773 & JP63275619 (Desoto Inc.) Nov. 14, 1988.
Kamo Satoshi
Komiya Zen
Shigemoto Takeo
Steeman Paulus Antonius Maria
Sugimoto Masanobu
Bernshteyn Michael M
DSM IP Assets B.V.
Nixon & Vanderhye P.C.
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