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. 29, 1983
Filed:
Oct. 05, 1981
Applicant:
Inventors:
David R Cosper, Downers Grove, IL (US);
William H Lindenberger, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Oak Brook, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 85 ; 252312 ; 252330 ; 55 89 ; 55 45 ; 210708 ;
Abstract
An improved method for recovering volatile organic paint carrier from paint spray booths of the type comprising a chamber, a duct system for passing air down through such chamber to remove volatile organic paint carrier and over-sprayed paint particles, a sump containing a circulating hydrophilic liquid located at the bottom of the chamber adapted to remove volatile organic paint carrier and paint particles from the air containing them, the improvement which comprises using as the hydrophilic liquid an oil-in-water emulsion which has the following composition: