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. 02, 1991
Filed:
Jun. 01, 1990
Applicant:
Inventors:
John G Chernega, Stillwater, WI (US);
Verna M Kubik, Village of Houlton, WI (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428329 ; 4284231 ; 428694 ; 428900 ; 252 6256 ;
Abstract
A magnetic recording medium comprising a nonmagnetizable substrate and a magnetizable layer coated onto the substrate. The magnetizable layer comprises about 83 to 89 percent by weight of acicular, substantialy dendrite-free, iron oxide magnetic pigment particles dispersed in a polymeric binder.
Chernega, John. (1991). Magnetic recording medium comprising acicular dendrite free iron oxide (U.S. Patent No. 5028483). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5028483
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile