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:
Oct. 13, 1998
Filed:
May. 19, 1997
Christine J Landry-Coltrain, Fairport, NY (US);
Bradley K Coltrain, Fairport, NY (US);
Michael J Corrigan, Hilton, NY (US);
David B Bailey, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
The present invention is a method of producing an imaging support which includes providing a support, simultaneously coating on a side of the support; a transparent magnetic recording layer including magnetic particles, a polymeric binder and an organic solvent, and a lubricating overcoat layer farthest from the support, the lubricating overcoat layer including a lubricant selected form the general formulas I, II or III: wherein general formula I comprises: ##STR1## wherein X is selected from the group consisting of esters, amides, ethers, or methylene, a is from 10 to 500, and b is from 4 to 3000, and the general formula I has a molecular weight at least 800; wherein general formula II comprises: ##STR2## wherein Y is selected from the group consisting of, --C-- and --N--, Z is selected from the group consisting of esters, amides, and a carbon-carbon bond, R is selected from the group consisting of methyl, and hydrogen or may be absent if Y equals nitrogen, c is from 1 to 2, d is from 4 to 3000, e is from 10 to 30, and the general formula II has a molecular weight of from 800 to 500,000, preferably from 3000 to 100,000; wherein general formula III comprises: ##STR3## wherein R' is selected from the group consisting of methyl, phenyl, substituted aliphatic groups, unsubstituted aliphatic groups, substituted aromatic groups, and unsubstituted aromatic groups; wherein f is from 4 to 3000, and g is from 10 to 30, and the general formula III has a molecular weight of from about 800 to 500,000 and preferably are between 3000 and 100,000, and an organic solvent. The present invention also includes a photographic element produced by the method.