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Arthur L. Clifford
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Markham, CA
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last 30 patents
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Patent Grant
Regeneration of active carbon and polymeric adsorbents
Patent number
5,904,832
Issue date
May 18, 1999
Huron Tech Canada, Inc.
Arthur L. Clifford
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Chemical and electrochemical regeneration of active carbon
Patent number
5,702,587
Issue date
Dec 30, 1997
Huron Tech Canada, Inc.
Arthur L. Clifford
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for maintaining electrolyte flow rate through a microporous...
Patent number
5,316,629
Issue date
May 31, 1994
H-D Tech Inc.
Arthur L. Clifford
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Decreasing the concentration of hydroxyl ions in aqueous alkaline p...
Patent number
5,244,547
Issue date
Sep 14, 1993
H-D Tech Incorporated
Arthur L. Clifford
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Decreasing the concentration of hydroxyl ions in aqueous alkaline p...
Patent number
5,106,464
Issue date
Apr 21, 1992
H-D Tech Inc.
Arthur L. Clifford
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Porous diaphragm for electrochemical cell
Patent number
4,921,587
Issue date
May 1, 1990
H-D Tech, Inc.
Dennis F. Dong
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Porous diaphragm for electrochemical cell
Patent number
4,891,107
Issue date
Jan 2, 1990
H-D Tech Inc.
Dennis F. Dong
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrochemical cell having dual purpose electrode
Patent number
4,872,957
Issue date
Oct 10, 1989
H-D Tech Inc.
Dennis F. Dong
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR