ROBERT WILLIAM HECKER
Vehicle Board in Levittown, PA

License number
Pennsylvania MV213021
Category
Vehicle Board
Type
Vehicle Salesperson
Address
Address
Levittown, PA 19054

Professional information

Robert Hecker Photo 1

Continuous Solution Method

US Patent:
5626422, May 6, 1997
Filed:
Jul 8, 1994
Appl. No.:
8/272177
Inventors:
Joseph R. Adamo - Lansdale PA
Gloria M. Lipovsky - Langhorne PA
Robert Hecker - Levittown PA
Leon D. Ranalli - Murrells Inlet SC
Assignee:
Rohm and Haas Company - Philadelphia PA
International Classification:
B01F 1502
US Classification:
3661731
Abstract:
A method is disclosed for preparing a homogeneous solution of a powder, particularly hard-to-wet polymer powders, which includes: (1) feeding simultaneously a powder and a liquid solvent for the powder to a high-speed in-line mixer minimizing contact between said powder and said liquid solvent before said powder and said liquid solvent enter said mixer; (2) mixing said powder and said liquid solvent in said mixer to form a dispersion of said powder in said liquid solvent; and (3) dissolving said dispersed powder in said solvent.