Ytterbium(III) acetylacetonate as a catalyst for the...

Details Ytterbium(III) acetylacetonate as a catalyst for the... Ytterbium(III) acetylacetonate as a catalyst for the...

2006-06-13

2006-06-13

Gorr, Rachel (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S280000, C528S281000, C558S265000, C558S266000, C252S182220, C252S182240

Reexamination Certificate

active

07060778

ABSTRACT:
Ytterbium(III) acetylacetonate is used as a catalyst for the preparation of aliphatic oligocarbonate polyols by transesterification of at least one organic carbonate with at least one aliphatic polyol.

REFERENCES:
patent: 3631200 (1971-12-01), Nehring et al.
patent: 4105641 (1978-08-01), Buysch et al.
patent: 4533729 (1985-08-01), Newland et al.
patent: 4978691 (1990-12-01), Murai et al.
patent: 5208297 (1993-05-01), Ford et al.
patent: 5288839 (1994-02-01), Greco
patent: 6566563 (2003-05-01), Westfechtel et al.
patent: 2002/0082363 (2002-06-01), Zhao et al.
patent: 2003/0009047 (2003-01-01), Tillack et al.
patent: 857 948 (1952-12-01), None
patent: 1 012 557 (1957-07-01), None
patent: 1 955 902 (1971-05-01), None
patent: 03273017 (1991-12-01), None

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