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US 3,975,448 AGranted
Halogenated aralkyl ethers
AssigneeTessenderlo Chemie S.A.
InventorsYvon Delaunois, Claude Wilante
Life of this patent
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Abstract
The invention relates to novel halogenated alkylaryl ethers having at least one fluoroalkyl grouping, which have very good thermal stability and chemical resistance, and to a process for producing the ethers.
Claims5
An ether selected from the group consisting of 1',1'-dimethyl-2',2',3',3'-tetrafluoropropyl-2,4-dichlorobenzyl ether;
- 1',1'-dimethyl-2',2',3',3'-tetrafluoropropyl-3,4-dichlorobenzyl ether;
- 1',1'-dimethyl-2',2',3',3'-tetrafluoropropyl-2,6-dichlorobenzyl ether;
- and .alpha.,.alpha.'-di(1',1'-dimethyl-2',2',3',3'-tetrafluoropropyl)-m-xylene diether.
Dependencies are inferred from the claim text.