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:
Apr. 07, 1987
Filed:
Oct. 18, 1983
Applicant:
Inventors:
Everett C Milton, White Bear Lake, MN (US);
Harry P Gregor, New York, NY (US);
Assignee:
GNB Incorporated, Mendota Heights, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210651 ; 210652 ; 2101952 ; 210259 ;
Abstract
A process for the treatment of an aqueous stream containing an acid or base and typically a precipitatable material such as a metal ion comprises: