Method for producing polyether alcohols

Details Method for producing polyether alcohols Method for producing polyether alcohols

2007-07-10

2007-07-10

Keys, Rosalynd (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S618000, C568S679000, C502S175000, C502S200000, C502S150000, C502S154000, C502S155000, C502S156000, C502S172000

Reexamination Certificate

active

10493608

ABSTRACT:
A process for preparing polyether alcohols by addition of alkylene oxides onto H-functional starter substances in the presence of multimetal cyanide catalysts, wherein the multimetal cyanide catalysts are microporous and have a specific surface area of more than 100 m2/g, determined by nitrogen adsorption at 77 K.

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Richard J. Lewis, Sr., Hawley's Condensed Chemical Dictionary, 1993, p. 1108.

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