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Howard W Anderson, Michael T Moore: Hydrazone containing charge transport element and photoconductive process of using same. International Business Machines Corporation, Thomas W O Rourke, William N Hogg, Robert E Harris, April 24, 1979: US04150987 (193 worldwide citation)

A process for electrophotographic reproduction, and a layered electrophotographic plate having a conventional charge generation layer and a p-type hydrazone containing charge transport layer, in which the surface of the charge transport layer is selectively discharged by actinic radiation as a resul ...


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Howard W Anderson, Robert B Champ: Hydrazone and pyrazoline or acetosol yellow containing charge transport layer, photoconductor and electrophotographic process using the same. International Business Machines Corporation, Francis A Sirr, December 7, 1982: US04362798 (19 worldwide citation)

A process for electrophotographic reproduction, and a layered electrophotographic plate having a conventional charge generation layer and a p-type hydrazone containing charge transport layer, in which the surface of the charge transport layer is selectively discharged by actinic radiation as a resul ...


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Howard W Anderson, John B Carberry, Harold F Staunton, Bhagya C Sutradhar: Crystallization of adipic acid. E I Du Pont de Nemours and Company, November 28, 1995: US05471001 (13 worldwide citation)

Crystallization of adipic acid using low intensity ultrasonic agitation during crystallization results in purer product that is more readily handled. Apparatus for carrying out the process is also disclosed.


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Howard W Anderson, Ronald H Levin: Disazo photoconductor and process of manufacture of electrophotographic element. International Business Machines Corporation, Francis A Sirr, March 23, 1982: US04321318 (3 worldwide citation)

A layered xerographic photoconductor having a charge generating layer which includes a photosensitive dye molecule which is soluble in chlorinated organic solvents, specifically methylene chloride, the dye molecule being ##STR1## and a P-type charge transport layer.


5
Howard W Anderson, James E Matush, Brent G Sparks, Eugene D Wilhoit: Catalyst recovery and dialkyl ester synthesis. E I Du Pont de Nemours and Company, May 30, 1995: US05420336

Copper and vanadium catalyst components are recovered and dialkyl esters of dicarboxylic acids are synthesized by precipitating the catalyst metals with an alcohol selected from the group consisting of methanol, ethanol, and isopropanol removal of the precipitate, and then heating the mixture.


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