Bernard Levresse

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Lillebonne, FR

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Patents Grantslast 30 patents

Information Patent Grant
High pressure separation process
- Patent number 4,795,854
- Issue date Jan 3, 1989
- Societe Chimique des Charbonnages - CdF Chimie
- Bernard Levresse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High pressure separation device
- Patent number 4,289,512
- Issue date Sep 15, 1981
- Societe Chimique des Charbonnages - CdF Chimie
- Bernard Levresse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polymerizing ethylene
- Patent number 4,168,356
- Issue date Sep 18, 1979
- Societe Chimique des Charbonnages-CdF Chimie
- Bernard Levresse
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Deactivation of catalysts of the Ziegler type used for the preparat...
- Patent number 4,105,609
- Issue date Aug 8, 1978
- Societe Chimique des Charbonnages
- Jean-Pierre Machon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization of ethylene
- Patent number 3,969,332
- Issue date Jul 13, 1976
- Ethylene Plastique
- Pierre Gloriod
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...