US 7,488,767 B1
Pigment dispersant system and method for pigment grinding
Bruce J. Anderson, Jamestown, Pa. (US); Paul Bluman, Canton, Ohio (US); and Curt Braden, N. Canton, Ohio (US)
Assigned to ABB Technical Coatings, Ltd, N. Canton, Ohio (US)
Filed on Dec. 17, 2003, as Appl. No. 10/738,493.
Int. Cl. C08K 5/10 (2006.01)
U.S. Cl. 524—186  [524/315; 524/428] 24 Claims
 
1. A pigment dispersant system comprising:
water;
a polymeric pigment dispersant, the dispersant not having a binder;
ammonium hydroxide; and,
a defoamer.