Stable tetrafluoroethylene copolymers

Details Stable tetrafluoroethylene copolymers Stable tetrafluoroethylene copolymers

1985-10-21

1988-05-10

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253262, 525355, 525356, 526247, 264 83, C08F 820, C08F 1624

Patent

active

047436581

ABSTRACT:
A tetrafluoroethylene/perfluoro(alkyl vinyl)ether copolymer substantially free of unstable end groups and extractable fluoride that cause corrosion of metal surfaces.

REFERENCES:
patent: 3085083 (1963-04-01), Schreyer
patent: 3354135 (1967-11-01), Scarso et al.
patent: 4294943 (1981-10-01), Onoue et al.
patent: 4499249 (1985-02-01), Nakagawa et al.
patent: 4599386 (1986-07-01), Carlson et al.
patent: 4626587 (1986-12-01), Morgan et al.
U.S. Ser. No. 752,174, filed Jun. 28, 1985, to Morgan & Sloan.
U.S. Ser. No. 608,862, filed May 10, 1984, to Buckmaster, Foss & Morgan.
U.S. Ser. No. 791,432, filed Oct. 25, 1985, to Buckmaster & Morgan.

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