Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-10-24
2006-10-24
Wu, David W. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C430S270100, C430S330000, C430S907000, C430S910000, C526S242000, C526S346000
Reexamination Certificate
active
07125943
ABSTRACT:
A fluorine-containing compound represented by the formula 1,where R1is a methyl group or trifluoromethyl group,each of R2and R3is independently a hydrogen atom or a group containing (a) a hydrocarbon group having a straight-chain, branched or ring form and having a carbon atom number of 1–25 or (b) an aromatic hydrocarbon group, each of the hydrogen group and the aromatic hydrocarbon group independently optionally containing at least one of a fluorine atom, an oxygen atom and a carbonyl bond,l is an integer of from 0 to 2, each of m and n is independently an integer of 1–5 to satisfy an expression of m+n≦6, andwhen at least one of R1, R2and R3is present in a plural number, the at least one of R1, R2and R3may be identical with or different from each other.
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Farah et al., “Perhalo Ketones VII. Phenolic Derivatives of the Perhaloacetone”, Journal of Organic Chemistry, 30(4), pp. 1003-1005 (1965).
Komoriya Haruhiko
Maeda Kazuhiko
Sumida Shinichi
Central Glass Company Limited
Crowell & Moring LLP
Hu Henry S.
Wu David W.
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