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. 01, 2003
Filed:
Apr. 25, 2002
Applicant:
Inventors:
Masaki Oyama, Chigasaki, JP;
Hirokuni Okada, Yokohama, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/213 ;
U.S. Cl.
CPC ...
C23C 2/213 ;
Abstract
The present invention provides an aqueous agent for treating metal surfaces capable of degreasing and forming a zinc phosphate coat simultaneously. The present metal surface treating agent includes an aqueous solution that includes water and a water-soluble organic solvent where the amount of water is larger than the amount of the water-soluble organic solvent; phosphate ions; nitrate ions; and zinc ions.