Michel Letoffe

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Ste-Foy-les-Lyon, FR

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Patents Grantslast 30 patents

Information Patent Grant
RTV storage stable, water-free organopolysiloxanes
- Patent number 4,748,166
- Issue date May 31, 1988
- Rhone-Poulenc Industries
- Alain Gautier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of coating a substrate with curable organopolysiloxane compo...
- Patent number 3,983,265
- Issue date Sep 28, 1976
- Rhone-Poulenc S. A.
- Michel Letoffe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Use of organopolysiloxane compositions which cure at ambient temper...
- Patent number 3,965,280
- Issue date Jun 22, 1976
- Rhone-Poulenc S. A.
- Louis Ceyzeriat
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Organopolysiloxane compositions which vulcanise at ambient temperat...
- Patent number 3,933,729
- Issue date Jan 20, 1976
- Rhone-Poulenc S. A.
- Michel Letoffe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES