Eastman-kodak Company

Sandra J Dagan

Peter T Aylward

Robert P Bourdelais

Thaddeus S Gula

Suresh Sunderrajan

Charles E Romano, Jr

Narasimharao Dontula

Robert A Guistina

Terry A Heath

John F Sawyer

Patrick J Whittaker

Michelle M Oakland

Geoffrey Mruk

The present invention relates to an imaging member comprising an imaging layer and a base wherein said base comprises a polymer sheet having at least one oriented polymer core and adhered thereto at least one unoriented polymer layer. Another embodiment relates to an imaging element comprising an imaging layer and a base, wherein said base comprises an integral polymer sheet having at least one oriented polymer core and at least one unoriented polymer layer. The invention further relates to a process of manufacturing a base for an imaging element comprising the steps of extruding a voided core polymer sheet; orienting said extruded voided core polymer sheet; and extrusion coating said oriented extruded voided core polymer sheet with at least one unoriented polymer layer.

Imaging element with improved surface and stiffness

The present invention relates to an imaging element comprising an imaging layer and a support, wherein the support comprises a core layer having a surface roughness of at least 1.4 microns and a pit camouflaging flange layer between the support and the imaging layer. The present invention also relates to a method of forming an imaging support comprising extruding a polymer layer onto a core layer of surface roughness of at least 1.4 microns, and passing the extruded polymer layer on the core layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface and a method of forming an imaging support comprising extruding a polymer layer, passing the extruded polymer layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface, and laminating the polymer layer onto a core layer with a surface roughness of at least 1.4 microns.

Surface roughness frequency to control pits on foam core imaging supports

This invention relates to an imaging member comprising an image layer and a paper base comprising a mixture of vegetable fibers and wood fibers wherein said vegetable fibers comprise between 5 and 25 percent by weight of said paper base.

Kenaf imaging base and method of formation

The invention relates to a paper comprising between 2 and 8% calcium carbonate in a paper having a surface roughness average of between 0.10 and 0.44 &mgr;m, a fiber length of the individual fibers of said paper of between 0.4 and 0.58 mm, and a density of between 1.05 and 1.20 grams/cc.

Photographic paper containing calcium carbonate

The invention relates to a imaging element comprising a paper having a surface roughness average of between 0.13 and 0.44 micrometers.

Raw stock for photographic paper

The invention relates to an imaging member comprising at least one image layer and a base, said base comprising a cellulose paper that has its surfaces impregnated with water dispersible ester-based condensation polymer wherein the surface of said base has a roughness of less than 2.03 &mgr;m Ra and a hydrophobicity as measured by 40/20 Acid Valley test in excess of 500 seconds.

Water-borne polyester coated imaging member

The invention relates to an imaging element comprising an imaging layer and a cellulose paper base wherein said base has an upper surface roughness of between 0.30 and 0.95 &mgr;m at a spatial frequency of between 200 cycles/mm and 1300 cycles/mm.

Imaging material with smooth cellulose base

The invention relates to an imaging element comprising a base comprising a cellulose fiber containing paper, wherein said paper has a tear resistance of between 200 and 1800 Newton.

Tough durable imaging cellulose base material

The invention relates to a photographic element comprising at least one photosensitive silver halide layer comprising at least one dye forming coupler, a support comprising paper having laminated thereto a top and bottom sheet comprising biaxially oriented polyolefin sheets, wherein said photographic element has a surface roughness of between 0.15 and 0.50 mm and an average stiffness of between 150 and 300 millinewtons, a stiffness ratio between machine direction and cross direction of between 0.8 and 1.2 at between 20 and 70% humidity, a maximum curl value of 10 curl units, said photographic element has a back roughness of between 0.30 and 2.00 mm, and has a tear strength of between 300 and 900 N.

Growing community of inventors

Churchville, NY, United States of America

Sandra J Dagan