Eastman-kodak Company

Global Oled Technology LLC

Kodak Alaris Inc.

William B Vreeland

John C Wilson

Thomas Nathaniel Tombs

Teh-Ming Kung

Wayne Thomas Ferrar

Ralph H Young

Jiann H Chen

Mark Cameron Zaretsky

John J Fitzgerald

Charles Eugene Hewitt

Scott R Conley

William J Staudenmayer

Robert E Zeman

Gary F Roberts

Lelia Cosimbescu

Donald Saul Rimai

David George Foster

John W Harder

William Yurich Fowlkes

Robert F Romanet

Tonya D Binga

Susan A Visser

Bruce J Rubin

David R Jackson

Jeri L Mount

Dinesh Tyagi

Eric C Stelter

Donald R Diehl

John W May

Thomas M Stephany

Ramanuj Goswami

Margaret Jones Helber

William Mey

Kevin M Donovan

Rodney Ray Bucks

Richard P Henzel

David Francis Cahill

Alan Richard Priebe

Francisco Luiz Ziegelmuller

Robert A Guistina

Joseph E Guth

George R Walgrove, Iii

Gary M Russo

Thomas A Jadwin

Diane Marie Herrick

John E Derimiggio

David E Hockey

Michele L Ricks

Richard C Baughman

Marcus Stephen Bermel

Christopher T Brown

Zona R Pierce

Matthew C Ezenyilimba

M Cristina B Dejesus

Michael Phillip Youngblood

Michael H Green

David J Quesnel

Patricia A Dwyer

Victor C Solomon

David J Ellingham

Robert I Edelman

Robert J Niger

Richard John Kosakowski, Jr

Paul S Gloyer

William F Nichols

Thomas L Matochik

Ileana Place

A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine. The N-oxyl radical has the following formula (A) or formula (B): wherein R, R, R, and Rare each a straight or branched C-Calkyl or alkene, and Rand Rare each independently H, CHCH, CH, OH, OR, COOH, COOR, or NH&#x2014;C(&#x2550;O)R, wherein R is a straight or branched C-Calkyl or alkene, and having a molecular weight of 600 or less. At least one of Rand Ris not hydrogen. The heat transferable material can be in a section or patch on a thermal donor element to provide a protective overcoat material. A patch in the donor element can include a dye. The heat transferable material provides better image stability and improved iridescence when transferred to a receiver of some type.

Heat transferable material for improved image stability

An intermediate transfer member for electrophotography includes a substrate and a non-ceramer polyurethane compliant layer. Disposed directly on the compliant layer is an outermost surface layer consisting essentially of a non-particulate, non-elastomeric ceramer or fluoroceramer and nanosized inorganic particles that are distributed within the non-particulate ceramer or fluoroceramer in an amount of at least 5 and up to and including 50 weight % of the outermost surface layer. This intermediate transfer member can be incorporated into a suitable imaging apparatus for forming a toned image on a receiver element.

Intermediate transfer member and imaging apparatus and method

A heat transferable material includes a heat transferable polymeric binder and a light stabilizer that is an N-oxyl radical derived from a hindered amine, the N-oxyl radical having the following formula, wherein R, R, R, and Rare each independently selected from a straight or branched C-Calkyl, and Rand Rare each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C-Calkyl or alkene, and having a molecular weight of 600 or less, is described. The heat transferable material can be in one or more sections or patches on a thermal donor element to provide a protective overcoat material. Optionally, a patch in the donor element can also include a dye. The heat transferable material provides better image stability and improved iridescence when applied to a thermal, inkjet, electophotographic, or silver halide receiver.

A heat transferable dye donor element includes a heat transferable dye and an N-oxyl radical light stabilizer that is derived from a hindered amine. The N-oxyl radical has the following formula, wherein R, R, R, and Rare each independently selected from a straight or branched C-Calkyl, and Rand Rare each independently selected from H, OH, OR, COOH, or COOR, wherein R is a straight or branched C-Calkyl or alkene, and has a molecular weight of 600 or less. The dye donor element includes a heat transferable material that can be in one or more sections or patches including heat transferable dye patches. The heat transferable material provides better dye image stability when applied to a thermal receiver element.

Dye transferable material with improved image stability

An OLED device comprises an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative.

Electroluminescent device with anthracene derivative host

The present invention relates to a dye-donor element for thermal dye transfer comprising a support having on one side a dye layer and on a second side a slipping layer, wherein the slipping layer comprises a first wax comprising a polymer derived from a polyolefin and an ethylenically unsaturated carboxylic acid or ester or anhydride thereof, and at least one other wax and wherein the dye layer comprises at least a magenta dye of the Structure I: wherein the dye donor element has reduced 2&#xd7; retransfer. The present invention also relates to the same slip layer with a dye layer comprising at least a yellow dye of the Structure X: or Structure XI: or Structure XII: or Structure XIII: or wherein the dye layer comprises at least a cyan dye of Structure XX: 

Slipping layer for dye-donor element used in thermal dye transfer

An electroluminescent device comprises a light emitting layer including an anthracene material bearing at least one aryl ring in the 2-position and having a hydrogen or an alkyl group in the 6-position and having up to 12 aromatic carbocyclic rings including at least one naphthalene group in the 9-position of the anthracene group and an aryl group in the 10-position, the anthracene material including among the rings only carbocyclic rings.

Disclosed herein are polyurethane elastomers and shaped articles prepared therefrom comprising charge-control agents to provide electrical conductivity to the elastomers, thereby allowing for their use in electrophotographic processes. The elastomers comprise a polyisocyanate prepolymer, a polyether prepolymer, and a hardener mixture comprised of at least one additional polyol and a charge-control agent. When used in an electrophotographic process, the elastomers are capable of exhibiting resistivities of less than 6&#xd7;10ohm-cm for 600,000 images or more.

Polyurethane elastomers and shaped articles prepared therefrom

A magenta dye combination having improved lightfastness and keeping properties is described, wherein the magenta dye combination can be used in thermal printing.

Magenta dye mixture

An electroluminescent device includes a light-emitting layer containing a host material and:

Organic element for electroluminescent devices

Disclosed is an OLED device comprising an anode and a cathode and located there-between a light emitting layer containing a light emitting dopant and a host comprising a monoanthracene derivative of formula (I): 

OLED device with asymmetric host

Disclosed is a process for forming a 1H-pyrazolo (1,5-b)-&lsqb;1,2,4&rsqb;-triazole compound by ring closing a pyrazoloamidine compound comprising reacting the amidine with an oxidizing agent having a reduction potential vs Ag/AgCl that is more positive than &minus;0.16V and less than &plus;1.43V in the presence of a halogen atom. The invention also discloses certain triazole compounds that are successfully made by the conventional process. The process and compounds of the invention provide improved yields and reduce or eliminate unwanted side-reactions.

Synthesis of certain triazole compounds

Disclosed is a process comprising reacting an N-allylimino nitrobenzene compound with a diaminodinucleophile to form an &agr;-amino-N-allylamidino nitrobenzene compound and the compound itself.

&agr;-amino-N-allylamidino nitrobenzene compound and synthesis

Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a bicyclic azole dye-forming coupler compound having Formula I:

Photographic element and compound and process useful therewith

In accordance with the invention, a toner transfer member for electrostatography comprises a substrate and an outer surface layer comprising a material selected from the group consisting of a ceramer comprising a polyurethane silicate hybrid organic-inorganic network and a fluoropolymeric composition comprising a polyester-based polyurethane and polytetrafluoroethylene. The transfer member of the present invention is particularly useful for duplex electrostatographic copying processes; its outer surface layer substantially reduces the migration of release oil from the fusing station to the photoconductor via the transfer member, thereby ensuring high quality fused images on both sides of a receiver sheet.

Transfer member for electrostatography

Growing community of inventors

Webster, NY, United States of America

William B Vreeland