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:
Sep. 02, 1997
Filed:
Apr. 29, 1996
Karl F Schoch, Jr, Pittsburgh, PA (US);
Theodore R Vasilow, Irwin, PA (US);
Daryl V Stough, Huntingdon, PA (US);
Northrop Grumman Corporation, Los Angeles, CA (US);
Abstract
A method for precipitating ferrite at room temperature which involves dissolving metal salts in deaerated water, using a base solution to precipitate metal hydroxides, adding an oxidizing agent that has a standard reduction potential greater than 1.229 V versus standard hydrogen electrode. The oxidizing agent further preferably has a standard reduction potential less than 1.8 V versus standard hydrogen electrode. The oxidizing agent is preferably one of hydrogen peroxide, ammonium peroxydisulfate, ozone, nitrous acid, NO, and N.sub.2 O. The base is preferably ammonium hydroxide.