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:
Jul. 05, 1988
Filed:
May. 05, 1986
Applicant:
Inventors:
Werner Steck, Ludwigshafen, DE;
Rainer Feser, Hessheim, DE;
Werner Loeser, Ludwigshafen, DE;
Peter Rudolf, Maxdorf, DE;
Guenter Vaeth, Limburgerhof, DE;
Helmut Jakusch, Frankenthal, DE;
Jenoe Kovacs, Hessheim, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
427127 ; 252 6256 ;
Abstract
The preparation of acicular ferrimagnetic iron oxides which contain cobalt and phosphate ions and, if desired, further additives, and their use for manufacturing magnetic recording media.