Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From organic oxygen-containing reactant
Reexamination Certificate
2004-04-30
2009-08-18
Eashoo, Mark (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From organic oxygen-containing reactant
C528S220000, C427S525000, C524S401000, C524S496000
Reexamination Certificate
active
07576172
ABSTRACT:
The present invention discloses a method of synthesizing an aliphatic polymer having a ketone group in the main chain thereof, in which polyhydric alcohol (for example, glycerin) as a raw material is polymerized in the presence of a catalyst, and a method of preparing a composition containing an aliphatic polymer having a ketone group in the main chain thereof, including such a process.
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C. Bianchini et al., “Copolymerization of Carbon Monoxide with Ethene Catalyzed by Palladium(II) Complexes of 1,3-Bis(diphenylphosphino)propane Ligands Bearing Different Substituents on the Carbon Backbone” Macromolecules 32, pp. 4183-4193, 1999.
Hirakata Masaki
Kishi Kentaro
Manabe Chikara
Shigematsu Taishi
Watanabe Hiroyuki
Eashoo Mark
Fuji 'Xerox Co., Ltd.
Heincer Liam J
Oliff & Berridg,e PLC
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