Hewlett-packard Indigo B.v.

Hewlett-packard Development Company, L.P.

Indigo N.v.

Hp Indigo B.v.

Nava Klein

Albert Teishev

Eyal Bachar

Meir Soria

Fernanda Orlik

Yaron Grinwald

Amiran Lavon

Haim Yosef Cohen

Elliad Silcoff

Kobi Shkuri

Stella Stolin Roditi

Yael Kowal

Yevgenia Rudoy

Frida Avadic

Doron Schlumm

Ilanit Mor

Yossi Cohen

Marc Aronhime

Roi Liraz

Swissa Shay

Yoram Sorek

Carlos Teper

Raia Slivniak-Zozin

Benzion Landa

Yehuda Niv

Shirley Lee

Marc Klein

Emad Masoud

Getahun Biadglin

Naseem Yacoub

Eyal Bodinger

David Idan

Neta Filip-Granit

Erez Faraggi

Oshra Raviv

Benny Landa

Basile Verdene

Merav Shapira

Yevenia Rudoy

Briefly described, embodiments of this disclosure includes intermediate transfer members, primer layer materials, methods of forming an intermediate transfer member layers having a base and an acrylic rubber layer, are disclosed.

Laser printer systems, intermediate transfer members, primer layers for intermediate transfer members, and primer layer compositions

According to an example, a liquid electrophotography printing (LEP) apparatus includes a fluid chamber to store fluid to be used to form an image and a filtration assembly to filter the fluid of the fluid chamber. The filtration assembly may store a filtration material to filter the fluid received from the fluid chamber and may provide the filtered fluid to the fluid chamber. The LEP apparatus may also include a detector assembly to detect a fluid parameter of the filtered fluid in the fluid chamber and a filtration adder unit to add a predetermined amount of the filtration material to the filtration assembly in response to a detection of the fluid parameter by the detector assembly.

Liquid electrophotography printing apparatus and methods thereof

The present invention relates to a liquid electrophotographic ink comprising a carrier liquid, a pigmented resin composite dispersed in the carrier liquid, and about 0.15 to about 10% (w/w) of an organic wax. The liquid electrophotographic ink is typically formulated for printing in a liquid electrophotographic printer.

Liquid electrophotographic inks

Disclosed is an electrostatic ink composition, comprising a single charge director and a charge control agent that counters the build up of negative optical density memory on the intermediate transfer member of a printing apparatus using the electrostatic ink.

Electrostatic ink composition, ink container, printing apparatus and printing method

The present disclosure is drawn to a liquid toner composition comprising:

Liquid toner composition

A method of maintaining a photoconductive member of a liquid electrophotography printing apparatus (LEP) is disclosed. The method includes storing a fluid having at least fluid particles and a carrier liquid in a fluid chamber and removing at least a portion of the fluid particles and the dissolved materials from the fluid through adsorption by filtration material disposed within a filtration assembly to form a filtered fluid. The method also includes maintaining the photoconductive member by periodically applying the filtered fluid to the photoconductive member and removing the filtered fluid and fluid residue therefrom.

A method includes controlling a charge level of fluid in a fluid chamber by detecting at least one fluid parameter corresponding to a charge level of a fluid in a fluid chamber having at least charge directors and carrier liquid, and controlling the charge level of the fluid based on the detected fluid parameter.

Fluid delivery system and method thereof

The present disclosure provides for a liquid electrophotographic (LEP) ink comprising a carrier fluid, a pigment, a high melt viscosity ethylene acrylic acid copolymer resin, and a high acid ethylene acrylic acid copolymer resin. The high acid ethylene acrylic acid copolymer resin can have an acid content of at least 15 wt % and a viscosity of at least 8,000 poise. Additionally, the LEP ink can have a total resin acidity of at least 15 wt % and a total resin melt viscosity of at least 20,000 poise.

The present disclosure is drawn to LEP toners, systems, and methods of manufacturing LEP liquid toners. Specifically, a high NVS liquid toner can comprise a ground up admixture of a hydrocarbon carrier fluid, pigment particles, and a polymer paste having an NVS content of about 38 wt % to about 65 wt %. The resultant high NVS liquid toner has an NVS content of about 28 wt % to about 38 wt % and a viscosity of about 3,000 cPs to about 25,000 cPs.

High NVS liquid toner

At least a portion of an intermediate transfer member includes a release layer facing outwardly from and supported by a supportive portion. The release layer includes an inner layer and an outer layer over and in contact with the inner layer, The inner layer has a thickness of between about 1 &#x3bc;m and about 8 &#x3bc;m and a bulk swelling of between 120% and 350%. The outer layer has a thickness of less than about 5 &#x3bc;m and a bulk swelling of less than 120%.

Release layer

An apparatus and method transfer imaging material using a release layer having a bulk swelling capacity between 120% and 145% in Isopar L.

A method of producing an intermediate transfer member for digital offset printing comprises: a) providing an intermediate transfer member body portion, b) coating the body portion with a rubber layer, c) coating the rubber layer with a primer comprising an organosilane, a photoinitiator, and a catalyst, d) coating the primer with a release layer, and e) applying UV irradiation to the coated primer to bond the release layer to the rubber layer.

Intermediate transfer member and method for making same

A multi-layered image transfer blanket and a method of producing same, including a body portion and an image transfer portion, the image transfer portion having an image transfer surface and a back surface, comprising forming the image transfer portion on a carrier substrate and transferring the image transfer portion onto the body portion such that the back surface of the image transfer portion faces the body portion. Preferably, the image transfer portion is formed on the carrier substrate such that the back surface of the image transfer portion faces the carrier substrate.

Intermediate transfer blanket and method of producing the same

A method of producing a coating on a member comprising: providing a body portion; coating the body portion with a catalyst material for a release coating material; and overcoating the catalyst material with an uncured polymer material for which the catalyst is active. Preferably, the release coating material is a condensation type silicone.

Growing community of inventors

Rishon Letzion, Israel

Nava Klein