Joseph Cohen

Person

Paris, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the production of a metal by electrolyzing halides in...
- Patent number 4,686,025
- Issue date Aug 11, 1987
- Pechiney
- Joseph Cohen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the continuous production of aluminum by the carbochlor...
- Patent number 4,597,840
- Issue date Jul 1, 1986
- Aluminum Pechiney
- Joseph Cohen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the production of a metal by electrolyzing halides in a...
- Patent number 4,588,485
- Issue date May 13, 1986
- Pechiney
- Joseph Cohen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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
Process for obtaining an aluminum sulfate hydrate from an impure su...
- Patent number 4,171,205
- Issue date Oct 16, 1979
- Aluminium Pechiney
- Jean M. Lamerant
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Alumina agglomerates with good mechanical strength and a method of...
- Patent number 4,159,313
- Issue date Jun 26, 1979
- Aluminum Pechiney
- Henry Mercier
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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

Joseph Cohen

Person

Patents Grantslast 30 patents

Apparatus for the production of a metal by electrolyzing halides in...

Process for the continuous production of aluminum by the carbochlor...

Process for the production of a metal by electrolyzing halides in a...

Continuous process for obtaining pure alumina from an acidic liquor...

Process for obtaining pure alumina by the hydrochloric attack of al...

Method of obtaining pure alumina by acid attack on aluminous minera...

Process for obtaining an aluminum sulfate hydrate from an impure su...

Alumina agglomerates with good mechanical strength and a method of...

Recovery of H.sub.2 SO.sub.4 acid

Method of obtaining pure alumina by acid attack on aluminous minera...