Bernard Chavet

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Beuzeville, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating alkaline waste water
- Patent number 6,270,678
- Issue date Aug 7, 2001
- Bernard Chavet
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Alkaline treatment method for refining used oils
- Patent number 6,072,065
- Issue date Jun 6, 2000
- Bernard Chavet
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...