Eastman-kodak Company

Xerox Corporation

Clarkson University

Nitto-denko Corporation

Elizabeth K Priebe

Larry K Maier

Jong S Lee

Paul E Woodgate

Chieh-Min Cheng

Jordan Frank

Michael F Zona

Glen C Smith

Christopher M Wolfe

Richard Earl Partch

Glenn C Smith

Genggeng Qi

Max Allen Weaver

Robert E Dickerson

Wayne P Pruett

Jehuda Greener

Samir Kumar

Suresh Sunderrajan

Juan A Morales-Tirado

James F Elman

William A Mruk

Bernard A Kelly

Thomas A Rosiek

Stephen A Hershey

Charles H Weidner

Jon A Hammerschmidt

Brian E Moore

Brian S Giannetto

Dorothy T Java

James C Pirchner

An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a charge control agent disposed on a surface of the toner particle; the control agent comprising a phenyl based siloxane; and a complex formed from a metal ion donor and at least one of a ligand selected from a member of the group consisting of a polyaromatic acid comprising humic acid, a pyranone based ligand, a furanone based ligand, or a combination thereof.

Toner comprising charge control agent

An emulsion aggregation toner including a toner particle comprising at least one resin; an optional colorant; an optional wax; and a reactive charge control agent comprising at least one positive charging compound comprising a member selected from the group consisting of an amine compound having at least 3 carbon atoms, an ammonium compound having at least 3 carbon atoms, a phosphonium compound having at least 3 carbon atoms, a boronium compound having at least 3 carbon atoms, and combinations thereof; at least one reactive anchoring compound comprising a member selected the group consisting of amino, epoxy, carboxylic, hydroxyl, silanol, cyanide, anhydride, aldehyde, ketone, vinyl, and combinations thereof; and wherein the charge control agent optionally further comprises a negative charging compound comprising a member selected from the group consisting of aromatic carboxylic acid, silanol, phenol, pyranone, furanone, and combinations thereof.

Toner comprising reactive charge control agent

According to various embodiments, there is provided a toner composition and a developer. The toner composition includes toner particles including a resin, a colorant; and a surface additive applied to a surface of the toner particles. The surface additive includes polyaniline doped strontium titanate (SrTiO).

Toner surface additive

According to various embodiments, there is provided a toner composition and a developer. The toner composition includes toner particles including a resin, a colorant, a charge control agent, and a surface additive applied to a surface of the toner particles. The surface additive includes strontium titanate (SrTiO), silica (SiO), silicon tetrachloride (SiCl) and a charge control agent.

A two component development system includes a plurality of toner particles that include a colorant and a plurality of toner carrier particles that include a magnetic carrier core having a Ddiameter in a range from about 30 microns to about 40 microns, and a surfactant-polymer coating, the coating being present in an amount in a range from about 0.5 percent by weight to about 1.5 percent by weight of the toner carrier particle.

Carrier for two component development system

A method of forming an optical compensation film includes coating one or more first layers and one or more second layers onto a carrier substrate, and stretching the first layers and second layers simultaneously. The one or more first layers include a polymer having an out-of-plane birefringence (&#x394;n) not more negative than &#x2212;0.005 and not more positive than +0.005, and the one or more second layers include a polymer having an out-of-plane birefringence more negative than &#x2212;0.005 or more positive than +0.005. The overall in-plane retardation (R) of the optical compensation film is greater than 20 nm and the out-of-plane retardation (R) of the optical compensation film is more negative than &#x2212;20 nm or more positive than +20 nm.

Optical compensation films produced by a carrier-web-casting process

The present invention relates to an imaged element comprising at least one imaged layer comprising at least one yellow dye and a support, wherein said support comprises at least one face side resin layer comprising a material capable of improving the yellow dark stability of said imaged element, wherein said materials has the formula:

Hindered amine light stabilizer for improved yellow dark stability

Support with reduced optical brightener migration

A photothermographic element comprises: (a) a support bearing on one surface thereof (b) a photosensitive emulsion layer (i) a binder; (ii) a light-insensitive organic silver salt, (iii) a reducing agent, and (iv) a photosensitive silver halide emulsion; (c) an antihalation dye incorporated in the emulsion layer, in a polymer layer under the photosensitive layer, in the support, or in a backside polymer layer; and (d) one or more tinting dyes such that the final color space of the film lies within the range defined by 220&deg;<h,<260&deg;, where h,is the psychometric hue angle, h,&equals;arctan(b*/a*), as defined in the CIELAB color system.

Photothermographic element having desired color

Disclosed is a shaped article comprising a continuous oriented thermoplastic polymer matrix having dispersed therein microbeads of a polymer which are at least partially bordered by void space, the microbeads being present in an amount of about 5-50% weight based on the weight of said oriented thermoplastic, said void space occupying about 2-60% by volume of said shaped article. Preferably, the microbeads are cross-linked to an extent they will be resilient and elastic at the orientation temperature, and are coated with a slip agent. The shaped article is preferably in the form of a sheet, fibers, or other molded article, and preferably has a relatively low specific gravity and whiteness.

Shaped articles from orientable polymers and polymer microbeads

Disclosed are photographic elements having reflective or diffusely transmissive supports shaped from a continuous oriented polymer phase having dispersed therein microbeads of a polymer which are at least partially bordered by void space, the microbeads being present in an amount of about 5-50% by weight based on the weight of the oriented polymer, and the void space occupying about 2-60% by volume of the support. Preferably, the microbeads are cross-linked to an extent they will be resilient and elastic at the orientation temperature, and are coated with a slip agent. Such supports have excellent physical properties.

Photographic elements containing reflective or diffusely transmissive

A radiographic element comprises a polyester support having double sided silver halide emulsion layers. An ultraviolet light absorbing methine compound is copolymerized with the support and is present in an amount sufficient to reduce the average percent transmission of ultraviolet light over the range of wavelength of from about 350 nm to about 395 nm to less than about 25 percent, and whereby the percent transmittance of said element is at least about 55 percent at a wavelength of about 410 nm for an element thickness of about 0.007 inches.

Radiographic element with UV absorbation compound in polyester support

Disclosed is a shaped article comprising a continuous oriented thermoplastic polymer matrix having dispersed therein microbeads of a polymer which are at least partially bordered by void space, the microbeads being present in an amount of about 5%-50% weight based on the weight of said oriented thermoplastic, said void space occupying about 2%-60% by volume of said shaped article. Preferably, the microbeads are cross-linked to an extent they will be resilient and elastic at the orientation temperature, and are coated with a slip agent. The shaped article is preferably in the form of a sheet, fibers, or other molded article, and preferably has a relatively low specific gravity and whiteness.

The present invention relates to a method of forming shaped articles having a continuous phase of an oriented thermoplastic polymer containing cross-linked polymer microbeads at least partially bordered by void space. The thermoplastic polymer in molten form is mixed with a plurality of the crosslinked polymer microbeads, and the mixture is then formed into a shaped article. The article is stretched in at least one direction to orient it. The orienting conditions and the character and quantity of crosslinked polymer microbeads is effective to form voids in the article at least bordering the microbeads on sides thereof in the direction(s) of orientation.

Forming shaped articles from orientable polymers and polymer microbeads

Disclosed is a shaped article comprising a continuous oriented polymer matrix having dispersed therein microbeads of a polymer which are at least partially boredered by void space, the microbeads being present in an amount of about 5-50% by weight based on the weight of said oriented polymer, said void space occupying about 2-60% by volume of said shaped article. Preferably, the microbeads are cross-linked to an extent they will be resilient and elastic at the orientation temperature, and are coated with a slip agent. The shaped article is preferably in the form of a sheet, fibers, or other molded article, preferably has a relatively low specific gravity and whiteness.

Growing community of inventors

Rochester, NY, United States of America

Elizabeth K Priebe