Fluorocarbon ethers having substituted halogen site(s) and process to prepare
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United States of America Patent
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Jun 29, 1982
Grant Date -
N/A
app pub date -
Jun 11, 1980
filing date -
Jun 11, 1980
priority date (Note) -
Expired
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Abstract
Novel perhalofluoro ethers and methods for preparing the same having generic formula, ##STR1## wherein a=0 or an integer greater than O; b=0 or an integer greater than O; n=zero or an integer greater than zero; R.sub.f and R'.sub.f are each independently selected from the group consisting of F, perfluoroalkyl and fluorochloroalkyl; X=F, Cl or Br; X'=Cl or Br; Y is an acid group or a group easily convertible to an acid group; Z=F, Cl, Br, OH, NRR' or OA; R and R' are independently selected from the group consisting of hydrogen, an alkyl having one or more than one carbon atom and aryl; A=alkali metal, quaternary nitrogen, or R.
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