The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 1994
Filed:
Jun. 04, 1993
Antonio Marraccini, Novara, IT;
Giovanni Gustalla, Novara, IT;
Alessandro Malacrida, Milan, IT;
Giorgio Guglielmo, Venice, IT;
Ausimont S.p.A., , IT;
Abstract
Process for the preparation of halogenated polyethers of the general formula: ##STR1## wherein X=Cl or F, R.sub.F and R'.sub.F either equal to or different from each other, are selected from fluorinated alkyl radicals with from 1 to 20 carbon atoms, cycloalkyl, heterocyclic, alkylcycloalkyl or cycloalkylalkyl radicals, having from 5 to 20 carbon atoms, said radicals possibly containing also other halogen atoms different from fluorine and possibly ethereal oxygen atoms, by reaction with a fluoroxy or chloroxy compound of the formula: R'.sub.F OX with a fluorovinylether of the general formula: R.sub.F O--CF.dbd.CF.sub.2.