Peter B Bradshaw
Engineers in Green Bay, WI
License number
Utah 5355606-2202
Issued Date
Jul 25, 2003
Expiration Date
Mar 31, 2015
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Green Bay, WI
Professional information
Process For Producing An Aqueous Solution Of Difficult-To-Dissolve, Fine Particle Size Particulate Material
US Patent:
5161887, Nov 10, 1992
Filed:
Oct 4, 1991
Appl. No.:
7/771499
Inventors:
Jeffrey Goldberg - Lexington MA
Peter Bradshaw - Green Bay WI
Peter Bradshaw - Green Bay WI
International Classification:
B01F 1306
US Classification:
366139
Abstract:
The process comprises first forming a non-homogeneous aqueous mixture of the low solubility particulate material in a closed aqueous solution formation area by combining the low solubility particulate material and water. Next, low shear forces are imparted to the non-homogeneous aqueous mixture of the low solubility particulate material. The aqueous solution of the low solubility particulate material and substantially all of the particulate material dust associated therewith are removed from within the closed aqueous solution formation area by exerting a partial vacuum on the aqueous solution of the low solubility particulate material from outside the formation area. The process can also include the step of imparting the high shear forces to the non-homogeneous aqueous mixture of the low solubility particulate material which both particularizes and conveys at constant volume the low solubility particulate material. In the process of this invention, the aqueous solution of the low solubility particulate material typically contains substantially no undissolved visible particles of the low solubility particulate material.