Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2011-08-16
2011-08-16
Boykin, Terressa M (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C428S411100, C428S412000, C528S196000, C528S198000
Reexamination Certificate
active
07999055
ABSTRACT:
The present invention can provide a polycarbonate resin containing a structural unit represented by the following formula (1).wherein R represents one selected from an alkyl group having 1 to 9 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkenyl group having 2 to 5 carbon atoms, an alkoxy group having 1 to 5 carbon atoms, an aralkyl group having 7 to 17 carbon atoms, and halogen; and n represents the number of substituting R's on a benzene ring and is an integer of 0 to 4. Y represents an alkylene group having 1 to 4 carbon atoms; and p is an integer of 0 to 4.
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Datebase CA [On line], Chemical Abstracts Service, Columbus, Ohio, Dec. 31, 1969, XP002579369, “Linear polyesters and polycarbonates from bis(4-hydroxyphenyl) deoxybenzoin and 1, 1-bis(4-hydroxpheny1)-2-oxoacenaphthene”, retrived from STN, Database assession On. 1969:525037 *abstract*, & Revue Roumainne De Chimie, 14(6), 773-9 CODEN: Prchax; ISSN:0035-3930, 1969.
Yamada Toshiaki
Yoshida Shu
Boykin Terressa M
Ladas & Parry LLP
Mitsubishi Gas Chemical Company Inc
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