1
John R Harbour, Michael L Hair: Electrophoretic display device. Xerox Corporation, June 9, 1981: US04272596 (149 worldwide citation)

An electrophoretic display device which provides high contrast images and a stable suspending fluid is described. A white marking material such as titanium dioxide is suspended in a colloidal dispersion containing black colorant such as colloidal size iron oxide particles known as ferrofluids. Image ...


2
Melvin D Croucher, James M Duff, Michael L Hair, Kar P Lok, Raymond W Wong: Dyed stabilized liquid developer and method for making. Xerox Corporation, October 9, 1984: US04476210 (78 worldwide citation)

A stable colored liquid developer and method for making such are described wherein an improved optical density resulting from a colored dye being imbibed into a thermoplastic resin core occurs. In particular, the liquid developer comprises a marking particle dispersed in an aliphatic dispersion medi ...


3
Michael L Hair, Kar P Lok, Christopher K Ober, Melvin D Croucher, Raymond W Wong: Ink jet compositions and process for preparation thereof. Xerox Corporation, E U Palazzo, July 14, 1987: US04680332 (70 worldwide citation)

Disclosed is a heterophase ink composition comprised of a water insoluble polymer dispersed in a liquid medium, the polymer containing therein an oil soluble dye, and a nonionic stabilizer permanently attached thereto.


4
Christopher K Ober, Kar P Lok, Michael L Hair, Randolph E Branston: Process for colored toner compositions with controlled charges thereon. Xerox Corporation, E O Palazzo, September 23, 1986: US04613559 (47 worldwide citation)

An improved process for obtaining colored toner compositions by dispersion polymerization which comprises providing a monomer solution with stabilizer therein, polymerizing the resulting mixture, adding thereto a dye solution comprised of an organic solvent having dissolved therein oil soluble dyes, ...


5
Michael L Hair, Kar P Lok, Francoise M Winnik: Ink jet compositions with insoluble dye complexes. Xerox Corporation, E O Palazzo, November 10, 1987: US04705567 (42 worldwide citation)

A heterophase ink composition comprised of water and a dye covalently attached to a component selected from the group consisting of poly(ethylene glycols) and poly(ethylene imines), which component is complexed with a heteropolyanion.


6
Anthony T Ward, Aleksandar Damjanovic, Michael L Hair: Electrophotochemical preparation of selenium photoconductive members. James J Ralabate, James P O Sullivan, Gaetano D Maccarone, February 21, 1978: US04075013 (35 worldwide citation)

A method for forming an electrophotographic imaging member comprising electrochemically depositing amorphous selenium on a conductive substrate while simultaneously illuminating the substrate with electromagnetic radiation through a periodic spatial light modulating means. The deposited selenium lay ...


7
Carl P Tripp, Michael L Hair, Richard P N Veregin: Metal oxide processes and toners thereof. Xerox Corporation, John L Haack, December 27, 1994: US05376172 (22 worldwide citation)

A process for preparing silane metal oxides comprising reacting a metal oxide with an amine compound to form an amine metal oxide intermediate, and subsequently reacting said intermediate with a halosilane.


8
Melvin D Croucher, Raymond W Wong, Christopher K Ober, Michael L Hair: Processes for liquid developer compositions with high transfer efficiencies. Xerox Corporation, E O Palazzo, December 6, 1988: US04789616 (13 worldwide citation)

A process for the preparation of liquid developer compositions containing dyed polymer particles with an average diameter of from about 2 to about 6 microns, which particles are dispersed in an oil base, charge control additives, and stabilizers thereby permitting image transfer efficiencies exceedi ...


9
Melvin D Croucher, Raymond W Wong, Michael L Hair: Developer compositions with stabilizers to enable flocculation. Xerox Corporation, E O Palazzo, March 28, 1989: US04816370 (8 worldwide citation)

A liquid developer composition comprised of an oil base, dyed polymer particles, charge control additives, and stabilizers that enable the flocculation of the composition, which stabilizers possess a solubility temperature equal to or exceeding 40.degree. C.


10
Melvin D Croucher, Raymond W Wong, James M Duff, Michael L Hair, John R C Fuller: Latex based colored liquid developers. Xerox Corporation, E O Palazzo, August 23, 1988: US04766049 (3 worldwide citation)

Disclosed is a colored liquid developer composition comprised of an insulating oil base, a stabilized polymer latex component with imbibed molecularly dispersed colored dye components, and a thickener compatible with the stabilizer selected for the latex.