US 7,572,848 B2
Coatable composition
Patricia M. Savu, Maplewood, Minn. (US); Michael J. Parent, Davenport, Iowa (US); and William M. Lamanna, Stillwater, Minn. (US)
Assigned to 3M Innovative Properties Company, St. Paul, Minn. (US)
Filed on Dec. 21, 2005, as Appl. No. 11/275,269.
Prior Publication US 2007/0142512 A1, Jun. 21, 2007
Int. Cl. C08K 5/42 (2006.01); C08K 5/43 (2006.01)
U.S. Cl. 524—157  [524/19; 524/168; 524/173; 524/186; 524/379; 524/381; 524/556; 524/598] 11 Claims
 
1. A coatable composition comprising: water, a film-forming organic polymer, and a leveling agent comprising an anionic species represented by the formula

OG Complex Work Unit Drawing
wherein Rf represents a perfluoroalkyl group having from 4 to 6 carbon atoms, and R represents H or an alkyl group having from 1 to 18 carbon atoms.