Amide/urea-modified liquid diphenylmethane diisocyanates

Details Amide/urea-modified liquid diphenylmethane diisocyanates Amide/urea-modified liquid diphenylmethane diisocyanates

2006-11-14

2010-02-23

Puttlitz, Karl J (Department: 1621)

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...

C564S248000

Reexamination Certificate

active

07666971

ABSTRACT:
This invention relates to novel liquid, storage-stable, amide-modified diphenylmethane diisocyanates and to a process for the production of these liquid, storage-stable diphenylmethane diisocyanates.

REFERENCES:
patent: 4318861 (1982-03-01), Babiec et al.
patent: 4331810 (1982-05-01), Christman et al.
patent: 6242556 (2001-06-01), Markusch et al.
patent: 6475366 (2002-11-01), Nishiguchi et al.
patent: 6730405 (2004-05-01), Bernard et al.

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