Jean Grignon

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Pessac, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for continuous manufacture of pyrotechnic charges containin...
- Patent number 5,610,444
- Issue date Mar 11, 1997
- Societe Nationale des Poudres et Explosifs
- Herv e Austruy
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Combustion inhibitor based on an aliphatic polyurethane elastomer f...
- Patent number 4,638,735
- Issue date Jan 27, 1987
- Societe Nationale des Poudres et Explosifs
- Andre E. Lelu
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Combustion inhibitors on a base of oxygenated polyurethane elastome...
- Patent number 4,536,235
- Issue date Aug 20, 1985
- Societe Nationale des Poudres et Explosifs
- Andre Lelu
- C06 - EXPLOSIVES MATCHES