Ursula I. Keller

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Queenston, CA

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Patents Grantslast 30 patents

Information Patent Grant
Vanadium removal in aqueous streams
- Patent number 5,279,804
- Issue date Jan 18, 1994
- Occidental Chemical Corporation
- Robert L. Zeller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Efficient electrolytic method of making chromic acid from sodium bi...
- Patent number 5,122,238
- Issue date Jun 16, 1992
- Occidental Chemical Corporation
- Russell J. Morgan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Diaphragm for an electrolytic cell
- Patent number 4,810,345
- Issue date Mar 7, 1989
- OxyTech Systems, Inc.
- Arthur C. Schulz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Diaphragm for an electrolytic cell
- Patent number 4,741,813
- Issue date May 3, 1988
- OxyTech Systems, Inc.
- Arthur C. Schulz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Processes of wetting hydrophobic fluoropolymer separators
- Patent number 4,252,878
- Issue date Feb 24, 1981
- Hooker Chemicals & Plastics Corp.
- Christine A. Lazarz
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR