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. 26, 1999
Filed:
Dec. 05, 1997
Applicant:
Inventors:
Shih-Ruey Thomas Chen, Pittsburgh, PA (US);
Yi Jin Warburton, Moon Township, PA (US);
Hong Ding, Darien, IL (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427386 ; 4273881 ; 4273935 ; 427409 ; 148250 ; 148253 ; 148256 ; 148257 ; 148259 ; 148260 ;
Abstract
Methods for treating metal substrates are disclosed. These methods, which comprise contacting the surface to be treated with a composition comprising a Mannich-derivatized polyether, improve the corrosion resistance and/or adhesion properties of the treated surface. Similar methods for treating polymeric substrates are disclosed.