1
Susan Robinette, Joseph Mammino, Kathleen M Carmichael, Emery G Tokoli, Anita P Lynch, Robert C U Yu: Photoreceptor layers containing polydimethylsiloxane copolymers. Xerox Corporation, Oliff & Berridge, December 3, 1991: US05069993 (99 worldwide citation)

An exposed layer in an electrophotographic imaging member is provided with increased resistance to stress cracking and reduced coefficient of surface friction, without adverse effects on optical clarity and electrical performance. The layer contains a polydimethylsiloxane copolymer and an inactive f ...


2
Ihor W Tarnawskyj, Joseph Mammino, Frederick E Knier Jr, Kock Yee Law, Martin A Abkowitz, Robert M Ferguson: Fluorinated carbon filled polyimide intermediate transfer components. Xerox Corporation, Annette L Bade, May 28, 2002: US06397034 (79 worldwide citation)

An intermediate transfer member having a fluorinated carbon filled polyimide layer which exhibits controlled conductivity is set forth, and in embodiments, the fluorinated carbon filled polyimide layer is a substrate having an optional intermediate conformable layer thereon, and having on the interm ...


3
John W Spiewak, Huoy Jen Yuh, Constance J Thornton, Dennis A Abramsohn, Deborah Nichol Landry, Joseph Mammino: Conductive and blocking layers for electrophotographic imaging members. Xerox Corporation, Peter H Kondo, January 29, 1991: US04988597 (78 worldwide citation)

An electrophotographic imaging member including a supporting substrate, an electrically conductive layer including at least a partially crosslinked polymer having a backbone derived from an alkyl acrylamidoglycolate alkyl ether, a charge blocking layer including a polymer having a backbone also deri ...


4
Joseph Mammino, Timothy F Johnson, David W Walters, Steven R Perez: Electrophotographic carrier powder coated by resin dry-mixing process. Xerox Corporation, November 11, 1980: US04233387 (74 worldwide citation)

Electrostatographic coated carrier particles for use in the development of electrostatic latent images are provided by mixing carrier core materials with powdered thermoplastic resin particles having a size of between 0.1 micron and about 30 microns. The carrier core materials are mixed with the res ...


5
John W Spiewak, Huoy Jen Yuh, Joseph Mammino, Robert C U Yu, Cindy Chen, Raymond K Crandall, Steven J Grammatica: Electrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymer. Xerox Corporation, September 14, 1993: US05244762 (70 worldwide citation)

An electrophotographic imaging member including a supporting substrate, a charge blocking layer, an imaging layer including at least one photoconductive layer, the blocking layer including an uncrosslinked copolymer derived from vinyl hydroxy ester or vinyl hydroxy amide repeat units chemically modi ...


6
John W Spiewak, Huoy Jen Yuh, Constance J Thornton, Dennis A Abramsohn, Deborah Nichol Landry, Joseph Mammino, Ronald F Ziolo, Robert C U Yu, Kathleen Carmichael, Neil S Patterson: Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer. Xerox Corporation, January 31, 1995: US05385796 (51 worldwide citation)

An electrophotographic imaging member containing a supporting substrate having an electrically conductive surface comprising charge injecting material, a charge blocking layer including a water insoluble high molecular weight unmodified hydroxy methacrylate polymer and at least one photoconductive l ...


7
Joseph Mammino: Electrophotographic decalcomanias. Xerox Corporation, James J Ralabate, Donald C Kolasch, Paul A Leipold, December 20, 1977: US04064285 (44 worldwide citation)

A method of decalcomania in which a toner image pattern is formed on a transfer member which is overcoated with a polymeric material. The polymeric material assists in the permanent adherence of the toner imaging pattern to cloth material or other substrate under heat and pressure. The transfer memb ...


8
Joseph Mammino: Fibrillated carrier compositions and processes for making and using. Xerox Corporation, John L Haack, November 4, 1997: US05683844 (43 worldwide citation)

A carrier comprised of a core with a coating thereover comprised of at least one polymer resin and wherein the outer surface of the coated carrier is fibrillated.


9
William G Herbert Jr, Stuart B Berger, Alexander A Antonelli, Fredrick A Warner, Paul J Kaveny, Anthony A Attardi, Joseph Mammino, Ernest F Matyl: Distortion-free method of mounting an end piece on a thin-walled hollow tube. Finnegan Henderson Farabow Garrett & Dunner, January 12, 1993: US05177854 (41 worldwide citation)

Distortion-free method of mounting an end piece member on a thin-walled hollow tube member, particularly in the assembly of photoreceptor drums and the like, includes the steps of supporting an expandable end piece member within the chamber of an air centering device with its central axis aligned ve ...


10
Dan A Hays, Joseph Mammino, Damodar M Pai, Donald S Sypula, William H Wayman, John F Yanus, Paul J DeFeo: Development system coatings. Xerox Corporation, E O Palazzo, April 5, 1994: US05300339 (39 worldwide citation)

A coated toner transport roll containing a core with a coating thereover of transporting molecules dispersed in a binder and an oxidizing agent selected from the group consisting of ferric chloride and trifluoroacetic acid. These oxidizing agents can be selected in an amount of from about 1 to about ...