Lexmark International, Inc.

Topasol, LLC

Bryan Patrick Livengood

John Melvin Olson

George P Marshall

Vincent Wen-Hwa Ting

Jing X Sun

Michael James Bensing

John Joseph Kraseski

Brian William Baird

Craig Michael Bertelsen

Michael Thomas Moore

James Craig Minor

Michelle Kathryn Morris

Uschi M Graham

Franklin Dilworth Zartman

Minerva Piffarerio

Jodi P Walsh

Craig Michael Bartelsen

Tonya Mira McQueen

Donald Bourne

Franklin D Zartman

John M Olson

An additive that is incorporated into a thermoplastic acrylic pre-polymer formulation to render the polymer surface hydrophilic with easy cleanability and also making the surface antimicrobial. The additive is a hydrophilic reactive additive or ('HRA'), is incorporated with the other acrylic formulation components and polymerized into the acrylic polymer backbone. This reaction ensures that there will be no loss of hydrophilicity after repeated contact of the easy to clean acrylic sheet with water, as is typically happens with most sanitary ware products.

Non-yellowing easy-to-clean antimicrobial plastic

An emulsion aggregation toner formulation for electrophotography and a method for preparation thereof. The emulsion aggregation toner formulation includes a polyester resin emulsion formed using an extruded polyester binder resin having a broad molecular weight distribution. The extruded polyester binder resin is formed using a plurality of polyester binder resins. Further, the emulsion aggregation toner formulation comprises at least one colorant dispersion and a wax dispersion.

Emulsion aggregation toner formulation

The present invention is a random copolymer and its use to compatibilize the components of mixtures of immiscible polymeric materials used in the preparation of toner formulations.

Random copolymers used as compatibilizers in toner compositions

A toner composition comprising a primary resin and at least one additional polymeric component is improved by reactive compatibilization of the additional polymeric component and the resin. For example, effective amounts of a functional secondary resin and a functional silicone oil having functionality reactive therewith are included and mixed by extrusion so as to reduce or eliminate speckling in printing with the toner and the improve toner powder flow.

Reactive compatibilization of polymeric components such as siloxane polymers with toner resins

Toner particulates include a release agent which comprises a functionalized enhancing agent and a wax. The toner particulates may be used to improve dry fuser release and to improve color clarity in overhead transparencies.

Toner comprising wax and functionalized enhancing agent

A toner composition comprising a primary resin and at least one additional polymeric component is improved by reactive compatibilization of the additional polymeric component and the resin. For example, effective amounts of a functional secondary resin and a functional silicone oil having functionality reactive therewith are included and mixed by extrusion so as to reduce or eliminate speckling in printing with the toner and to improve toner powder flow.

Toner particulates include a first resin comprising a cross-linked copolymer; a second resin comprising a non-cross-linked copolymer; and a wax comprising an ethylene propylene copolymer. The cross-linked copolymer is a copolymer other than the wax comprising an ethylene propylene copolymer and the non-cross-linked polymer is a copolymer other than the wax comprising an ethylene propylene copolymer.

Toner particulates comprising an ethylene propylene wax

Toner compositions comprise (a) a toner particulate including resin, magnetic component and charge control agent, and (b) an extra-particulate additive comprising a first hydrophobic additive having negative tribocharging properties and a second hydrophobic additive having positive tribocharging properties.

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Longmont, CO, United States of America

Bryan Patrick Livengood