Henri-Rene Langelin

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Caffiers, FR

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Patents Grantslast 30 patents

Information Patent Grant
Calco-magnesian aqueous suspension and method for the production th...
- Patent number 8,206,680
- Issue date Jun 26, 2012
- S. A. Lhoist Recherche et Developpement
- Luis Alfredo Diaz Chavez
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ca(OH)2 particles
- Patent number 6,322,769
- Issue date Nov 27, 2001
- Lloist Recherche et Developpement S.A.
- Henri René Langelin
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for processing acid effluents
- Patent number 6,099,814
- Issue date Aug 8, 2000
- Lloist Recherche et Developpement S.A.
- Henri Rene Langelin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of foliar application of magnesium hydrogen carbonate
- Patent number 5,552,366
- Issue date Sep 3, 1996
- Lhoist Recherche et Developpment S.A.
- Henri-Rene Langelin
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Vaterite and production method
- Patent number 5,290,353
- Issue date Mar 1, 1994
- Lhoist Recherche et Developpement S.A.
- Robert Goffin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Calco-magnesian aqueous suspension and method for the production th...
- Publication number 20060275203
- Publication date Dec 7, 2006
- Luis Alfredo Diaz Chavez
- C01 - INORGANIC CHEMISTRY