Fluorocopolymer

Details Fluorocopolymer Fluorocopolymer

2006-07-18

2006-07-18

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...

C526S323000, C526S317100

Reexamination Certificate

active

07078470

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.

REFERENCES:
patent: 3445434 (1969-05-01), Stilmar
patent: 1 401 599 (1965-04-01), None
patent: 1 460 137 (1966-10-01), None
patent: 1460137 (1966-10-01), None
patent: 1072615 (1967-06-01), None
patent: 11-193312 (1999-07-01), None

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