Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-04-17
2007-04-17
Choi, Ling-Sui (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S242000, C526S317100, C526S323000, C526S303100, C428S036900, C428S036910
Reexamination Certificate
active
11023486
ABSTRACT:
A fluorocopolymer which comprises (a) polymerized units based on tetrafluoroethylene and/or chlorotrifluoroethylene, (b) polymerized units based on a fluorinated monomer (excluding tetrafluoroethylene and chlorotrifluoroethylene) and (c) polymerized units based on at least one member selected from the group consisting of itaconic acid, itaconic anhydride, citraconic acid and citraconic anhydride, wherein (a) is from 50 to 99.8 mol %, (b) is from 0.1 to 49.99 mol %, and (c) is from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and which has a volume flow rate of from 0.1 to 1000 mm3/sec.
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Funaki Atsushi
Nishi Eiichi
Sumi Naoko
Asahi Glass Company Limited
Choi Ling-Sui
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
UBE Industries Ltd.
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