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:
May. 26, 1992
Filed:
Apr. 08, 1991
Applicant:
Inventors:
Bhupati R Bhattacharyya, deceased, late of Downers Grove, IL (US);
Shu-Jen Huang, Naperville, IL (US);
Chandrashekar S Shetty, Lisle, IL (US);
Nang T Bui, Aurora, IL (US);
Yvonne O Dunn, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210712 ; 55 85 ; 134 38 ; 210728 ; 210734 ; 210930 ; 252181 ;
Abstract
Oversprayed paint in a paint spray operation is detackified by dosing the water of the waste water system of such operation with a composition comprising a polymer and aluminum sulfate. The polymer contains at least about 10 mole percent of cationic mer units of monoethylenically unsaturated monomer.