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:
May. 23, 2000
Filed:
May. 08, 1998
Applicant:
Inventor:
Charles Edward McComas, Palm City, FL (US);
Assignee:
Biocontrol Technology, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
428680 ; 428936 ; 4273837 ; 427438 ; 148537 ;
Abstract
The invention is directed to corrosion and wear resistant metallic coatings containing nickel and boron. The coatings are preferably deposited on catalytically active substrates from an electroless coating bath containing nickel ions, lead tungstate as a stabilizer, a metal ion complexing agent, and a borohydride reducing agent, at a pH of about 10 to about 14. With post-coating heat treatment the coated surfaces exhibit hardness levels as high as about 2200 Knoop.