Rolland Perraudin

Follow

Person

Bagnolet, FR

People

Patents Grantslast 30 patents

Information Patent Grant
High porosity silicocalcareous mass
- Patent number 4,721,698
- Issue date Jan 26, 1988
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Maurice Bruni
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicocalcareous mass with high porosity and its preparation
- Patent number 4,467,041
- Issue date Aug 21, 1984
- L'Air Liquide - Societe Anonyme pour l'Etude et l'Exploitation des Procedes G...
- Maurice Bruni
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preparation and use of high porosity silicocalcareous mass
- Patent number 4,467,040
- Issue date Aug 21, 1984
- L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
- Maurice Bruni
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES