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:
Sep. 24, 1985
Filed:
Jul. 05, 1984
Applicant:
Inventors:
LuAnn Sidney, White Bear Township, Ramsey County, MN (US);
Stephen R Ebner, Cottage Grove, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 44 ; 427 35 ; 427129 ; 427322 ;
Abstract
The magnetizable layer of a magnetic recording medium which has a flexible polyester film base is better adhered to the film base and better resists abrasion if the film base is first subjected to electron-beam irradiation while passing through an inert atmosphere such as nitrogen.