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:
Feb. 17, 1987
Filed:
Apr. 08, 1983
Applicant:
Inventors:
Edmond G Kolycheck, Lorain, OH (US);
Lawrence Ondercin, Brook Park, OH (US);
Assignee:
The BF Goodrich Company, Akron, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4284259 ; 252 6254 ; 427128 ; 360134 ; 360135 ; 360136 ; 428694 ; 428900 ;
Abstract
Magnetic recording tape comprising a flexible substrate with magnetic particles secured to the substrate by means of a binder comprising a reaction product of a diisocyanate with a blend of a chain extender and a hydroxyl terminated polycarbonate, said binder having high tensile strength, is hydrolytically stable, and is soluble in selected commercial solvents.