Michel Roussel

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Compound cement, more particularly usable in bore holes
- Patent number 4,877,452
- Issue date Oct 31, 1989
- Entreprise Gagneraud Pere & Fils
- Michel Roussel
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for desulfurization of gases with molten mineral baths duri...
- Patent number 4,522,648
- Issue date Jun 11, 1985
- Maryan Kunicki
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for improving the fragmentation capability of metallurgical...
- Patent number 4,062,672
- Issue date Dec 13, 1977
- Entreprise Gagneraud Pere et Fils
- Maryan Kunicki
- C21 - METALLURGY OF IRON