Polyhydroxyalkanoate copolymer, resin composition, molded...

Details Polyhydroxyalkanoate copolymer, resin composition, molded... Polyhydroxyalkanoate copolymer, resin composition, molded...

2003-10-24

2008-11-18

Jagannathan, Vasu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S363000, C528S364000, C428S108000, C428S110000, C428S127000, C428S137000, C435S130000, C435S132000, C435S136000

Reexamination Certificate

active

07452960

ABSTRACT:
A polyhydroxyalkanoate copolymer comprises one kind of unit ofin-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)x—SOC6H5R)CH2CO]— (n=1-7)  (1)in-line-formulae description="In-line Formulae" end="tail"?(wherein R is any one of H, halogen, CN, NO2, COOR′, SO2R″ (R′ is any one of H, Na, K, CH3and C2H5; R″ is any one of OH, ONa, OK, halogen, OCH3and OC2H5), CH3, C2H5, C3H7, (CH3)2—CH and (CH3)3—C) andin-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)x—SO2C6H5R)CH2CO]— (n=1-7)  (2)in-line-formulae description="In-line Formulae" end="tail"?(wherein R is any one of H, halogen, CN, NO2, COO R′, SO2R″ (R′ is any one of H, Na, K, CH3and C2H5; R″ is any one of OH, ONa, OK, halogen, OCH3and OC2H5), CH3, C2H5, C3H7, (CH3)2—CH and (CH3)3—C) and at least one unit of chemical formulae (3) to (6):in-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)m—Rz)CH2CO]— (n=1-8)   (3)in-line-formulae description="In-line Formulae" end="tail"?(wherein Rz comprises a residue having either a phenyl structure or a thienyl structure),in-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)k—C6H11Ra)CH2CO]— (n=1-8)  (4)in-line-formulae description="In-line Formulae" end="tail"?(wherein Rais any one of H, CN, NO2, halogen, CH3, C2H5, C3H7, CF3, C2F5and C3F7)in-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)n—CH═CH2)CH2CO]— (n=1-8), and  (5)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—[OCH((CH2)n—COORb)CH2CO]— (n=1-8)  (6)in-line-formulae description="In-line Formulae" end="tail"?(wherein Rbis any one of H, Na and K).

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