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.

Date of Patent:
Jun. 27, 1995

Filed:

Feb. 08, 1994
Applicant:
Inventors:

Robert O James, Rochester, NY (US);

Lawrence A Rowley, Macedon, NY (US);

Joseph A Verdone, Rochester, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G11B / ;
U.S. Cl.
CPC ...
430496 ; 430140 ; 430501 ; 430523 ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ; 4286 / ;
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 tin oxide 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 tin oxide particles having a median diameter of less than 0.15 .mu.m and being present in the transparent magnetic layer in an amount of from 300 to 1200 percent by weight based on the weight of the binder.


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