Jean-Pierre Communal

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La Varenne Saint Hilaire, FR

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Patents Grantslast 30 patents

Information Patent Grant
Basic aluminum chlorosulfate flocculant
- Patent number 5,518,706
- Issue date May 21, 1996
- Rhone-Poulenc Chimie de Base
- Jean Boutin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Water clarification/purification
- Patent number 5,171,453
- Issue date Dec 15, 1992
- Rhone-Poulenc Chimie
- Jean P. Communal
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biologically stable, untanned wet animal hides
- Patent number 5,147,693
- Issue date Sep 15, 1992
- Rhone-Poulenc Chimie
- Jean-Pierre Communal
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Basic aluminum chlorosulfate flocculating process
- Patent number 5,076,940
- Issue date Dec 31, 1991
- Rhone-Poulenc Chimie de Base
- Jean Boutin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Basic aluminum chlorosulfate flocculant
- Patent number 4,981,673
- Issue date Jan 1, 1991
- Rhone-Poulenc Chimie de Base
- Jean Boutin
- C01 - INORGANIC CHEMISTRY