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:
Aug. 31, 1982
Filed:
May. 15, 1980
Applicant:
Inventors:
Takao Nishida, Osaka, JP;
Takashi Hirohata, Osaka, JP;
Assignee:
Amchem Products, Inc., Ambler, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ;
U.S. Cl.
CPC ...
524319 ; 524419 ; 524429 ; 524435 ; 524431 ; 524417 ; 524575 ;
Abstract
Method and composition for applying an organic coating to a metallic surface, the surface being contacted with an acidic aqueous coating composition comprising an organic coating-forming material, fluoride, and ferric iron, wherein the thickness and/or weight of the coating formed on the surface can be controlled by varying the time the surface is immersed in the composition.