Elbert L Du

US Patent:

42118263, Jul 8, 1980

Filed:

Oct 2, 1978

Appl. No.:

5/947632

Inventors:

Elbert Du - Cincinnati OH

International Classification:

B32B 2700
B41M 312

US Classification:

428497

Abstract:

Pressure sensitive image transfer media in the form of a thin film substance having a thin layer thereon comprising the solvent evaporated residue of a liquid mixture made up of substantially equal amounts of ethyl hydroxyl ethyl cellulose and a second resin incompatible therewith in association with a solvent immiscible vehicle modifier of a character incompatible with both of said polymers.

US Patent:

41328353, Jan 2, 1979

Filed:

Mar 25, 1977

Appl. No.:

5/781116

Inventors:

Elbert Du - Cincinnati OH

Assignee:

Frye Copysystems, Inc. - Des Moines IA

International Classification:

H01F 128
B32B 2732

US Classification:

428522

Abstract:

Pressure sensitive magnetic image transfer media in the form of a thin film substrate having a thin layer of solvent evaporated residue of a liquid mixture incorporating substantially equal dispersed amounts of polyethylene homopolymer and magnetically sensible material with small amounts of mutually incompatible dissolved acrylic film forming resin material and ethyl hydroxyl ethyl cellulose.