Claims
- 1. A method for preparing a homogenous solution of a powder, comprising:
- (1) feeding simultaneously a powder and a liquid solvent for the powder to a column of a high-speed in-line mixer minimizing contact between said powder and liquid solvent before said powder and said liquid solvent enter a mixing chamber of 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.
- 2. A method for preparing a homogenous solution of a powder, comprising:
- (1) feeding a stream of a powder to a high-speed in-line mixer wherein said stream of said powder is aligned with the center of a lower section of a column of said in-line mixer and wherein said stream of said powder is delivered near an outlet of said lower section;
- (2) feeding simultaneously with said stream of said powder a first stream of a liquid solvent for the powder near said outlet of said lower section and a second stream of said solvent at an upper section of said column for minimizing contact between said powder and liquid solvent before said powder and said liquid solvent enter a mixing chamber of said mixer;
- (3) mixing said powder and said liquid solvent in said mixing chamber of said mixer to form a dispersion of said powder in said liquid solvent; and
- (4) dissolving said dispersed powder in said solvent.
Parent Case Info
This is a divisional of application Ser. No. 08/109,784, filed on Aug. 20, 1993, which was granted on Nov. 29, 1994 bearing a U.S. Pat. No. 5,368,385.
US Referenced Citations (10)
Foreign Referenced Citations (2)
Number |
Date |
Country |
183285 |
Nov 1990 |
EPX |
8555539 |
Dec 1985 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
109784 |
Aug 1993 |
|