Organometallic compositions and coating compositions

Details Organometallic compositions and coating compositions Organometallic compositions and coating compositions

2006-07-17

2009-02-03

Sanders, Kriellion A (Department: 1796)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S107000, C548S352100, C560S129000, C524S087000

Reexamination Certificate

active

07485729

ABSTRACT:
The present invention is directed to novel organometallic complexes as catalysts for the reaction of compounds with isocyanate and hydroxyl functional groups to form urethane and/or polyurethane and the process employing such catalysts. More particularly, the present invention is directed to novel complexes of zinc(II) with substituted amidines. These novel catalysts are useful for the production of urethanes and polyurethanes which are important in many industrial applications.

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