Charles Portal

Follow

Person

Newton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electrolytic treatment of plating wastes
- Patent number 4,226,685
- Issue date Oct 7, 1980
- Kennecott Copper Corporation
- Charles Portal
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Stationary particulate bed dual electrode
- Patent number 4,197,181
- Issue date Apr 8, 1980
- Kennecott Copper Corporation
- Charles Portal
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Direct electrochemical recovery of copper from dilute ammoniacal so...
- Patent number 4,028,202
- Issue date Jun 7, 1977
- Kennecott Copper Corporation
- Paul R. Ammann
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Direct electrochemical recovery of copper from dilute acidic solutions
- Patent number 4,026,772
- Issue date May 31, 1977
- Kennecott Copper Corporation
- Paul R. Ammann
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR