Alain Adjemian

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Aix en Provence, FR

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for obtaining pure alumina from an acidic liquor...
- Patent number 4,241,030
- Issue date Dec 23, 1980
- Aluminum Pechiney
- Joseph Cohen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining pure alumina by the hydrochloric attack of al...
- Patent number 4,237,102
- Issue date Dec 2, 1980
- Aluminum Pechiney
- Joseph Cohen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of obtaining pure alumina by acid attack on aluminous minera...
- Patent number 4,177,242
- Issue date Dec 4, 1979
- Aluminum Pechiney
- Joseph Cohen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of H.sub.2 SO.sub.4 acid
- Patent number 4,155,984
- Issue date May 22, 1979
- Aluminium Pechiney
- Joseph Cohen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of obtaining pure alumina by acid attack on aluminous minera...
- Patent number 4,124,680
- Issue date Nov 7, 1978
- Aluminum Pechiney
- Joseph Cohen
- C01 - INORGANIC CHEMISTRY