Lexmark International, Inc.

Cocona, Inc.

Traptek LLC

Gregory Walter Haggquist

Ronald Harold Levin

Scott Thomas Mosier

Kasturi Rangan Srinivasan

Weimei Luo

David Glenn Black

Dat Quoc Nguyen

Jennifer Kaye Neely

Laura Lee Kierstein

Garry Dale Hinch

Catherine Mailhe Randolph

Kasturei Rangan Srinivasan

Richard A Mellor

Sterritt R Fuller, Jr

An active particle bonding system comprising an active particle, a material chemically bonded to the active particle, and a substrate embedded to at least one of the active particle and the material.

Incorporation of active particles into substrates

The present disclosure relates to active particle-enhanced membrane and methods for making and using the same. In some embodiments, a breathable membrane includes a base material solution and active particles. The active particles incorporated in the membrane may improve or add various desirable properties to the membrane, such as for example, the moisture vapor transport capability, the odor adsorbance, the anti-static properties, or the stealth properties of the membrane. In some embodiments, the base material may exhibit water-proof properties when converted into non-solution state, and thereby result in a water-proof membrane. In some embodiments, the active particles may be protected from losing activity before, during, or after (or any combination thereof) the process of producing the membrane. The membrane may be applied to a substrate, or may be used independent of a substrate.

Active particle-enhanced membrane and methods for making and using the same

Systems and methods are provided for substantially reducing undesired cumulative effects by preferentially heating the active particles. By preferentially heating the active particles, the active particles are 'cleaned' of substances that may reduce or negate particle activity. In addition, preferential heating may reduce active particle adsorption of binder.

Systems and methods for preferentially heating active particles and articles produced thereof

The invention relates to preserving the properties of active particles through use of an encapsulant which may be removable. The encapsulant may protect the active particles against premature deactivation. If desired, the encapsulant may be removed to rejuvenate the active particles. Various processes can be implemented to introduce encapsulated particles to embedding substances which may be used in various products.

Encapsulated active particles and methods for making and using the same

The invention relates woven and knit materials with an incorporated particulate solid and to a process for producing woven materials incorporated with a particulate solid. The process comprises: entraining a particulate solid in a gaseous carrier; disposing one face of a woven material in the path of a stream of said gaseous carrier and entrained particulate solid; maintaining a pressure drop across the woven material from said one face to the other face of said material, thereby to obtain a woven material with at least some of the entrained particulate solid in the gaseous carrier; and fixing the incorporated particulate solid.

Woven materials with incorporated solids and processes for the production thereof

The present invention relates to methods for imprinting solid particles onto materials that enhance the performance characteristics, such as the odor adsorption capacity, of the material. The present invention uses a xerographic imprinting method to apply a toner formulation to the material. The toner formulation typically includes solid particles (e.g., activated carbon), binding agents, and additives. Using this method, a specific pattern can be imprinted onto the material. The present invention can also use a Gravure method to imprint performance enhancing solid particles onto a material. This method advantageously provides precise control over the volume of mixture (e.g., solid particles and binding agent) impressed onto the material. In addition, this method can imprint specific patterns of mixture onto the material.

Xerographic method for coating a material with solid particles

Charge transport layers comprise a hydrazone charge transport compound, Savinyl&reg; yellow and an antioxidant. Dual layer photoconductors comprise the charge transport layer in combination with a substrate and a charge generation layer.

Charge transport layers comprising hydrazones and photoconductors including the same

Azine derivatives or their combinations with hindered phenol antioxidant in the charge transport layer containing one or more triarylamines or a combination of one triarylamine and one hydrazone improve light fatigue of a photoreceptor, which results in stabilized print quality. The robust performance against light damage allows the shutter in a cartridge to be removed and the requirement for special protection procedure during inspection and handling to be simplified.

Electrophotographic photoconductor containing fluorenyl-azine derivatives and triarylamine in transport layer

A photoconductor having a charge generation layer of pigment and a binder resin of a thorough mixture of polyvinylbutyral, a polysiloxane, and, preferably, a phenolic resin. An optimum formulation was Type IV oxotitanium phthalocyanine in a binder of, by weight 50 parts polyvinylbutyral, 45 parts poly(methyl-phenyl)siloxane, and 5 parts polyhydroxystyrene. This photoconductor provides excellent electrical properties and consistent, economical coating results.

Photoconductors with polysiloxane and polyvinylbutyral blends

Charge generation layers comprise a charge generation compound and a binder which comprises polyvinylbutyral and phenolic resol. Dual layer photoconductors comprise the charge generation layer in combination with a substrate and a charge transport layer, in which the charge generation layer comprises a charge generation compound and a binder which comprises polyvinylbutyral and phenolic resol. Dual layer photoconductors comprise the charge generation layer in combination with a substrate and a charge transport layer, in which the charge generation layer comprises a charge generation compound and a binder which comprises polyvinylbutyral and a resin selected from the group consisting of phenol novolac and polyhydroxystyrene.

Charge generation layers comprising binder blends and photoconductors including the same

A photoconductor for use in electrophotographic reproduction devices is disclosed. This photoconductor exhibits dramatically reduced end seal and paper area wear, as well as reduced positive electrical fatigue. The photoconductor of the present invention includes a low surface energy polyolefin wax, such as polyethylene or polypropylene, in relatively large particulate form having a mean particle diameter of from about 6 to about 12.mu., homogeneously dispersed in its charge transport layer.

Electrophotographic photoconductor containing high levels of polyolefins

Methods of making a charge generation layer comprise premixing a charge generation compound, a charge transport compound and solvent to form a premix essentially free of polymeric binder, mixing the premix with at least one polymeric binder to form a dispersion, and coating the dispersion on a substrate. Photoconductors comprising a substrate, a charge transport layer and a charge generation layer formed by such a method exhibit improved electrical sensitivity.

Growing community of inventors

Longmont, CO, United States of America

Gregory Walter Haggquist