Byung K. Ahn

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of arsenic acid
- Patent number 4,769,230
- Issue date Sep 6, 1988
- Koppers Company, Inc.
- Nicholas P. Greco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of bromides from arsenic acid solution
- Patent number 4,447,405
- Issue date May 8, 1984
- Koppers Company, Inc.
- Byung K. Ahn
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing arsenic acid
- Patent number 4,372,828
- Issue date Feb 8, 1983
- Koppers Company, Inc.
- Byung K. Ahn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR