David A. Helmstetter

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Cleveland, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Salt handling apparatus for a hypochlorous acid reactor
- Patent number 5,116,594
- Issue date May 26, 1992
- Olin Corporation
- Garland E. Hilliard
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing low aluminum membrane cell feedbrine
- Patent number 4,966,764
- Issue date Oct 30, 1990
- Olin Corporation
- Emily J. Reed
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing aluminum from concentrated alkali metal halide...
- Patent number 4,830,837
- Issue date May 16, 1989
- Olin Corporation
- David D. Justice
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Location of a structurally damaged membrane
- Patent number 4,431,495
- Issue date Feb 14, 1984
- Olin Corporation
- David L. Fair
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR