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:
Aug. 11, 1992
Filed:
Dec. 18, 1990
Isao Nakatani, Tokyo, JP;
Masayuki Hijikata, Tokyo, JP;
Tsutomu Takahashi, Tokyo, JP;
Kiyoshi Ozawa, Tokyo, JP;
Takao Furubayashi, Tokyo, JP;
Hiroaki Hanaoka, Tokyo, JP;
National Research Institute For Metals, Tokyo, JP;
Abstract
A compound containing nitrogen is introduced into a solvent in which a metal carbonyl and a surface active agent are dissolved, and the solution is heated to generate a particle colloid or a magnetic fluid of a metal nitride. A particle colloid of a metal nitride with an even grain size, a good dispersibilitgy and a good fluidity, and a magnetic fluid thereof with an excellent properties are obtained with convenience and at high efficiency.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile