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. 22, 1980
Filed:
Jun. 21, 1978
Applicant:
Inventor:
Timothy J Smith, Colmar, PA (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B44L / ; C23F / ; B05D / ; B05D / ;
U.S. Cl.
CPC ...
427309 ; 427327 ; 427435 ; 427341 ; 148 / ; 148 / ;
Abstract
A metallic substrate is cleaned and then pretreated with an aqueous acidic solution for the purpose of reducing or preventing the formation of pinholes in a subsequently applied coating formed by an acidic aqueous coating composition containing dispersed particles of an organic coating-forming material and of the type which forms on a metallic surface immersed therein an organic coating which increases in thickness the longer the surface is immersed in the coating composition.
Smith, Timothy. (1980). Treatment of substrate prior to autodeposition (U.S. Patent No. 4199624). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4199624
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile