Method for preparing unsaturated compound by pyrolysis reaction

Details Method for preparing unsaturated compound by pyrolysis reaction Method for preparing unsaturated compound by pyrolysis reaction

2006-07-04

2006-07-04

Wu, David W. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S242000, C526S252000, C526S253000, C562S852000, C205S430000

Reexamination Certificate

active

07071272

ABSTRACT:
The present invention provides a method for preparing a compound of CF3CF2CF2OCF═CF2by pyrolyzing a compound expressed by CF3CF2CF2OCF(CF3)COOCF2CF(CF3)OCF2CF2CF3in a gas phase at a temperature of from 200° C. to 500° C.

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