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:
Mar. 17, 1992
Filed:
Nov. 26, 1990
Applicant:
Inventors:
Richard D Nichols, Las Vegas, NV (US);
Peter V Avotins, Easton, CT (US);
A Grady Williams, Montrose, AL (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210728 ; 210729 ; 210772 ; 210778 ; 423422 ;
Abstract
Improved filtration rates and decreased sodium chloride and moisture content in sodium bicarbonate filter cakes are obtained by including a filter aid containing a mono and/or dialkylester of sodium sulfosuccinate in the filter feed suspension.