Margo R Schaefer

US Patent:

6376600, Apr 23, 2002

Filed:

Dec 11, 2000

Appl. No.:

09/719462

Inventors:

Robert David Solomon - Souderton PA
Bradley Keith Hageman - Pottstown PA
Leo Joseph Procopio - Lansdale PA
Margo Raate Schaefer - Lansdale PA
Gary David Greenblatt - Rydal PA
Stephen Scott Edwards - Horsham PA
Gary Robert Larson - Hatfield PA
Alvin Michael Maurice - Lansdale PA
Stewart Orlyn Williams - Hatfield PA
Patricia Marie Lesko - Ottsville PA
Peter Reeves Sperry - Doylestown PA

Assignee:

Rohm and Haas Company - Philadelphia PA

International Classification:

C08J 302

US Classification:

524543, 524401, 524500, 524501, 524502, 524504, 524533, 524556, 524559, 524804, 524823, 524832, 524833, 524849, 526 72, 526 75, 5263184, 52631843, 526321

Abstract:

Aqueous dispersion of copolymers formed by the polymerization of a monomer mixture containing 0. 05% to less than 4. 5% by weight of certain terminally unsaturated oligomers are useful for improving the scrub resistance, corrosion resistance, opacifying capacity and/or efflorescence resistance of a coating.