Colloid systems and wetting agents; subcombinations thereof; pro – Continuous liquid or supercritical phase: colloid systems;... – Having discontinuous gas or vapor phase – e.g. – foam:
Patent
1998-03-16
2000-08-29
Lovering, Richard D.
Colloid systems and wetting agents; subcombinations thereof; pro
Continuous liquid or supercritical phase: colloid systems;...
Having discontinuous gas or vapor phase, e.g., foam:
516203, 252 3, 562849, 562867, 564142, B01F 1722, A62D 104, C07C 6108, C07C23540
Patent
active
061109762
ABSTRACT:
This invention provides perfluoro(alkoxycycloalkane) carbonyl fluoride compounds wherein, pendant from the fluorinated ring, are from 2 to 5 perfluoroalkoxy groups having from 1 to 4, preferably 1 to 2, carbon atoms with the proviso that when one or more of the perfluoroalkoxy groups contain from 3 to 4 carbon atoms, there are no more than 3 pendant groups. Also described are amidoamine intermediates prepared from the carbonyl fluoride compounds as precursors for surfactants used in aqueous film-forming foam (AFFF) compositions.
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Hansen John C.
Moore George G. I.
Polson Stephen D.
Savu Patricia M.
Stern Richard M.
3M Innovative Properties Company
Burtis John A.
Lovering Richard D.
Metzmaier Daniel S.
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