Aqueous coating compositions

Details Aqueous coating compositions Aqueous coating compositions

2006-05-18

2010-02-16

Wu, David (Department: 1796)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S591000, C524S507000, C524S589000, C524S590000, C524S871000, C524S873000, C524S874000, C524S875000

Reexamination Certificate

active

07662875

ABSTRACT:
The invention is directed to aqueous coating compositions with improved rheology performance, comprising A) at least one water-dilutable binder,optionally, at least one cross-linking agent B), at least one sagging control agent C) obtainable by reacting a polyisocyanate with an amine, water and optionally usual coating additives, pigments and/or organic solvents,wherein the sagging control agent is obtained by reacting in an aqueous phase in presence of a water-dilutable binder C1) at least one polyisocyanate with C2) at least one amine having at least one primary amino group and at least one hydroxyl group.

REFERENCES:
patent: 4311622 (1982-01-01), Buter
patent: 4677028 (1987-06-01), Heeringa et al.
patent: 4851294 (1989-07-01), Buter et al.
patent: 5164449 (1992-11-01), Nicks
patent: 6156840 (2000-12-01), Nakamae et al.
patent: 0192304 (1986-08-01), None
patent: 0198519 (1986-08-01), None
patent: WO 2005/033166 (2005-04-01), None

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