Inventor

ALEXANDROVICH PETER S

US62 patents

⚠️ This page may combine multiple inventors who share the name “ALEXANDROVICH PETER S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALEXANDROVICH PETER S

EASTMAN KODAK CO

Image forming method and apparatus

New electrostatographic toners and developers containing new charge-control agents

New quaternary ammonium salts

Dry toner and developer composition

Apparatus and method for regulating toning contrast and extending developer life by long-term adjustment of toner concentration

Nonpolymeric amorphous developer compositions and developing processes

Fluorinated onium salts as toner electrostatic transfer agents and charge control agents

electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt

Image forming method and apparatus

Method and apparatus for developing an electrostatic image using a two component developer

Reduced viscosity polyester composition for toner powders

Liquid electrographic developers containing quaternary ammonium charge-control polymers having acidic monomers

Optimized particulate surface treatment concentration for electrostatographic images produced in an electrostatographic engine that includes a compliant intermediate transfer member

Plural imaging component microcellular arrays, processes for their fabrication, and electrographic compositions

Method of producing a custom color toner

Electrostatographic toners and developers containing new charge-control agents

Self-fixing liquid electrographic developers

Method for forming overlapping toner images

Difunctional N-(2-cyanoethenyl) sulfonamides and toner compositions containing them

N-(carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents and toners and developers

Bis and tris N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents, toners and developers

Toners and developers containing n-substituted quinolinium salts as charge control agents

Reduced viscosity polyblends of polyester and epoxy resins

Quaternary ammonium salts

Electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt

Electrostatographic toners and developers containing new charge-control agents

Quaternary ammonium salts

Toners and developers containing benzyldimethylalkylammonium charge-control agents

Method for forming a self-fixed image on a nonporous surface at ambient temperature

Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus

Electrophotographic toner surface treated with silica mixtures

Magnetic roller cleaning apparatus

Method of chemical electrographic image amplification using chemically active toner particles

Process control sensing of toner coverage

Quaternary ammonium salts

Crosslinked vinyl polymer particles and electrographic elements and liquid developers containing such particles

Toner

N-(2-cyanoethenyl)sulfonamides having two functionalities and toner compositions containing them

Toner and developer compositions with organosiloxane copolymers

Toner compositions containing N-(2-cyanoethenyl)sulfonamides

N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents and toners and developers

Bis and tris N-(carbonyl, carbonimidoyl, carbonothioyl) sulfonamide charge control agents, toners and developers

Method of forming a toner image, a receiving sheet and a method of making the receiving sheet

N-substituted quinolinium salts

Toners and developers containing N-substituted pyridinium salts as charge control agents

Toners and developers containing N,N&#39;-substituted-bis(pyridinium) salts as charge control agents

NEXPRESS SOLUTIONS LLC

Gloss-controlling toner compositions

Process for forming toners containing isoindoline yellow pigment

HEIDELBERGER DRUCKMASCH AG

Method for using hard magnetic carriers in an electrographic process

LOFFTUS KEVIN D

Surface treated toner

Toners and developers containing N,N'-substituted-bis(pyridinium) salts as charge control agents