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:
Apr. 23, 1991
Filed:
Feb. 20, 1990
Applicant:
Inventors:
Werner Steck, Ludwigshafen, DE;
Laszlo Marosi, Ludwigshafen, DE;
Herbert Haberkorn, Gruenstadt, DE;
Rainer Feser, Hessheim, DE;
Werner Huebner, Frankenthal, DE;
Helmut Jakusch, Frankenthal, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423607 ; 423266 ; 1062868 ; 252 6251 ; 427127 ; 427128 ; 65-2 ; 65-5 ; 65-6 ; 264 211 ;
Abstract
Acicular ferromagnetic chromium dioxide is stabilized by treatment with an alkali metal hydroxide in an aqueous alkaline suspension at elevated temperatures.
Steck, Werner. (1991). Stabilization of acicular ferromagnetic chromium dioxide (U.S. Patent No. 5009877). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5009877
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile