Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From aluminum- or heavy metal-containing reactant
Reexamination Certificate
2005-08-16
2005-08-16
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From aluminum- or heavy metal-containing reactant
C528S397000
Reexamination Certificate
active
06930166
ABSTRACT:
A polymer compound which is a polyphenylene co-condensation polymer consisting substantially of paraphenylene group and metaphenylene group and improved in forming ability and functions, wherein the ratio of metaphenylene group is in the range of 60 to 95%.
REFERENCES:
patent: 9-309945 (1997-12-01), None
Japan Science and Technology Agency
Sherman & Shalloway
Truong Duc
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