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:
Dec. 10, 1991
Filed:
Aug. 10, 1990
Applicant:
Inventors:
Mark S Chagnon, Pelham, NH (US);
Tracy Hamilton, Lowell, MA (US);
John R Ferris, Newburyport, MA (US);
Assignee:
Omni Quest Corporation, Atkinston, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 21 ; 241 29 ;
Abstract
A novel method for producing magnetic microparticles from metallocenes is disclosed. The method involves combining an aqueous slurry of the metallocene and an aqueous slurry of a metal hydroxide and milling the slurries together. Fine magnetic particles are produced using the present method.