Henri Lievremont

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75 Paris 16eme, FR

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Patents Grantslast 30 patents

Information Patent Grant
Flameproof material or conglomerate
- Patent number 4,070,311
- Issue date Jan 24, 1978
- Adolphe Cominassi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Measuring and mixing process for the manufacture of foamed resins a...
- Patent number 4,000,096
- Issue date Dec 28, 1976
- Henri Lievremont
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL