Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2003-03-10
2008-12-30
Keys, Rosalynd (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S620000, C208S014000, C208S015000, C208S016000, C044S443000
Reexamination Certificate
active
07470823
ABSTRACT:
The present invention relates to polyethers which are obtainable from 1 -butene oxide and an alcohol using a double metal cyanide compound as a catalyst and have a content of unsaturated components of 6 mol% or more, to a process for preparing such a polyether and also to the use of a polyether according to the invention as a carrier oil or in a carrier oil formulation, in particular in additive packages for gasoline fuels, and furthermore also to carrier oil formulations and also to fuels comprising a polyether according to the invention.
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Bohres Edward
Grosch Georg Heinrich
Sager Wilfried
Stoesser Michael
Walter Marc
BASF - Aktiengesellschaft
Keys Rosalynd
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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