Process for producing fluoromonomer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...

Reexamination Certificate

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C422S131000, C570S164000, C570S165000, C570S166000, C570S167000

Reexamination Certificate

active

07317071

ABSTRACT:
Processes for producing a fluoromonomer from a fluoropolymer, among which one that can be carried out more simply is a process wherein thermal decomposition of a fluoropolymer is preformed by means of a rotary kiln (5) so as to produce a fluoromonomer, the process comprising feeding a fluoropolymer and steam (3) into a rotary kiln and heating the fluoropolymer.

REFERENCES:
patent: 3832411 (1974-08-01), Arkles et al.
patent: 4391763 (1983-07-01), Ueno et al.
patent: 5432259 (1995-07-01), Schottle et al.
patent: 5705719 (1998-01-01), Bloos et al.
patent: 5902912 (1999-05-01), Tung et al.
patent: 40-24026 (1965-10-01), None
patent: 47-16405 (1972-09-01), None
patent: 54-154710 (1979-06-01), None
patent: 54-154710 (1979-12-01), None
patent: 7-188073 (1995-07-01), None
Przemysl Chemiczny 66/7 (1987) p. 333 to 335.

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