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. 01, 1977
Filed:
Jan. 26, 1976
Applicant:
Inventors:
Victor Alexander Ettel, Mississauga, CA;
Marcel Alin Mosoiu, Toronto, CA;
Assignee:
The International Nickel Company, Inc., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423592 ; 423140 ;
Abstract
Nickel black is prepared by treating a nickeliferous solution with base to precipitate nickel as a basic nickelous precipitate and oxidizing the precipitated nickel with the aid of a mixture containing oxygen and a reducing agent.