Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-11-21
2006-11-21
Wu, David W. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S366000, C525S367000, C525S368000, C528S480000
Reexamination Certificate
active
07138461
ABSTRACT:
A molding material consisting of a fluorine-containing copolymer, which has a metal elution index η of at most 10 as the total amount in ng of metals of Na, Mg, Cu, Cr, Ni, K, Ca and Fe per 1 g of the molding material, as obtained by elution analysis of the molding material with nitric acid.
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Funaki Atushi
Sumi Naoko
Takakura Teruo
Asahi Glass Company Limited
Hu Henry S.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Wu David W.
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