The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 1998
Filed:
Nov. 08, 1995
Applicant:
Inventors:
Alan Sherman Michaels, Chestnut Hill, MA (US);
Robert Johnson, Queensland, AU;
Assignee:
Rentiers Machinery Proprietary Ltd., Victoria, AU;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210642 ; 210644 ; 210645 ; 210640 ; 2102572 ; 426 14 ; 426239 ; 426495 ;
Abstract
Methods and apparatus are provided for osmotic distillation employing dehydrating aqueous solutions of potassium salts of phosphoric acid, pyrophosphoric acid, acetate, and blends thereof. Methods are also provided for the simultaneous osmotic distillation and removal of carbon dioxide from a sample of relatively low osmotic pressure employing alkaline potassium orthophosphate and pyrophosphate dehydrating solutions.