Judith G. Ulan

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Richmond, CA

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Patents Grantslast 30 patents

Information Patent Grant
Nanofiltration of concentrated aqueous salt solutions
- Patent number 5,858,240
- Issue date Jan 12, 1999
- Chemetics International Company Ltd.
- Zbigniew Twardowski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of trace metal and metalloid species from brine
- Patent number 5,681,447
- Issue date Oct 28, 1997
- Chemetics International Company Ltd.
- Kenneth R. Maycock
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for removing sulphate from aqueous solution
- Patent number 5,618,437
- Issue date Apr 8, 1997
- Chemetics International Company Ltd.
- Judith G. Ulan
- C01 - INORGANIC CHEMISTRY