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. 08, 2000
Filed:
Aug. 20, 1998
Applicant:
Inventor:
Ersan Ilgar, Monroeville, PA (US);
Assignee:
USX Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205140 ; 205252 ; 205253 ; 205300 ; 205302 ;
Abstract
Continuous electrolytic tin plating is accomplished in a bath containing 90-160 g/L sulfuric acid, 4-70 g/L tin ion and a grain refiner, and 1-4% nonylphenol ethoxylated with 8-10 ethylene oxide groups, having a weight average molecular weight of 616.+-.18, at a speed of 900-1600 feet per minute and a current density as much as 1500 amperes per square foot or more.