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. 11, 1995
Filed:
Feb. 08, 1994
Robert O James, Rochester, NY (US);
Lawrence A Rowley, Macedon, NY (US);
Joseph A Verdone, Rochester, NY (US);
Ronald M Wexler, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A photographic element comprising a support having provided thereon a light-sensitive layer and a transparent magnetic recording layer, the magnetic recording layer comprising a transparent polymeric binder, ferro-magnetic particles and reinforcing filler particles, the magnetic particles having a surface area greater than 30 m.sup.2 /gm and a coverage of from about 1.times.10.sup.-11 mg/.mu.m.sup.3 to about 1.times.10.sup.-10 mg/.mu.m.sup.3, the filler particles having a median diameter less than 0.15 .mu.m, a Mohs hardness of at least 6 and being present in the transparent magnetic layer in an amount of about 20% to about 300% by weight based on the weight of the polymeric binder present.