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:
Feb. 22, 2000
Filed:
Jul. 07, 1997
Applicant:
Inventors:
Narayan Das, Libertyville, IL (US);
John P Jandrists, Chicago, IL (US);
Assignee:
Coral Chemical Company, Waukegan, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; C23F / ;
U.S. Cl.
CPC ...
148256 ; 106 1412 ; 148247 ; 148253 ; 148261 ; 428457 ; 428469 ; 428472 ; 4284723 ;
Abstract
The invention provides a non-chrome rinse and method for treating a phosphate conversion-coated ferrous metal substrate. The rinse comprising zirconium ions, vanadium ions, fluoride ions, and phosphate ions in a ratio and a concentration effective for providing the phosphate conversion-coated ferrous metal substrate with improved corrosion resistance.
Quick Actions:
Das, Narayan. (2000). Non-chrome rinse for phosphate coated ferrous metals (U.S. Patent No. 6027579). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6027579
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile