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:
Oct. 31, 2000
Filed:
Jun. 04, 1998
Applicant:
Inventors:
Assignee:
Nihon Parkerizing Co., LTD, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
428469 ; 205 50 ; 205316 ; 205320 ;
Abstract
A thin sulfurizing layer having high iron-sulfide content is formed by an electrolytic deposition method using an alkaline electrolytic solution which contains ferric ions, sulfide and a chelating agent of the ferric ions.