Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-06-21
2005-06-21
Goodrow, John L (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S126200, C528S271000, C528S272000
Reexamination Certificate
active
06908721
ABSTRACT:
A polyhydroxyalkanoate comprises a unit of formula (1): —(O—CH((CH2)mSASO2R)CH2C(═O))— wherein R is selected from the group consisting of OH, a halogen atom, ONa, OK, OCH3and OC2H5; A represents a substituted or unsubstituted aliphatic hydrocarbon structure; m is an integer number selected from 1 to 8; and in the case where a plurality of units exist in the same molecule, R, A and m in one unit can be different from them in another unit respectively. A method of producing the polyhydroxyalkanoate comprises the step of reacting a polyhydroxyalkanoate comprising a unit of formula (18): —(O—CH((CH2)mBr)CH2C(═O))—, wherein m is an integer number selected from 1 to 8, and in the case where a plurality of units exist in the same molecule, m in one unit can be different from that in another unit, with at least one type of compounds of formula (19): HS-A1-SO2R15wherein R15is selected from the group consisting of OH, a halogen atom, ONa, OK, OCH3and OC2H5and A1is a substituted or unsubstituted aliphatic hydrocarbon structure, and in the case where a plurality of types of compounds exist in the same molecule, R15and A1in one unit can be different from them in another unit respectively.
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Fukui Tatsuki
Imamura Takeshi
Kenmoku Takashi
Mihara Chieko
Sugawa Etsuko
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