Method for the production of polyetherols

Details Method for the production of polyetherols Method for the production of polyetherols

2003-09-11

2008-03-11

Nazario-Gonzalez, Porfirio (Department: 1621)

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

Organic compounds

Oxygen containing

C568S619000, C568S620000

Reexamination Certificate

active

07342140

ABSTRACT:
The present invention relates to a process for preparing a polyetherol which comprises reacting at least one alkylene oxide with at least one starter compound in the presence of a catalyst of the formula I:in-line-formulae description="In-line Formulae" end="lead"?M1p[M2qOn(OH)2(3-n)]x,  (I)in-line-formulae description="In-line Formulae" end="tail"?and to the polyetherols prepared by such a process and to their use for the synthesis of polyurethanes, as fuel additive or as surfactant.

REFERENCES:
patent: 6429342 (2002-08-01), Clement et al.
patent: 0 516 017 (1992-12-01), None
patent: 1 002 821 (2000-05-01), None
patent: 99/44739 (1999-09-01), None

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