C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/646.1, 260/3
C07C 43/12 (2006.01) C07C 41/06 (2006.01) C07C 41/54 (2006.01) C07C 43/192 (2006.01) C07C 43/313 (2006.01)
Patent
CA 1339539
Process for the preparation of halogenated polyethers of the general formula: RFO CFX - CF2 - OR'F and (see fig.I) wherein X = Cl or F, RF and R'F, either equal to or different from each other, selected from fluorinated alkyl radicals with from 1 to 20 carbon atoms; cycloalkylic, 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 generak formula: RFO-CF = CF2.
551812
Guastalla Giovanni
Guglielmo Giorgio
Malacrida Alessandro
Marraccini Antonio
Ausimont S.p.a.
Robic
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