Bernard Heptia

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Wanze, BE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for producing polyphosphoric acid
- Patent number 9,828,471
- Issue date Nov 28, 2017
- Prayon Technologies
- Alain Germeau
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and device for producing polyphosphoric acid
- Patent number 8,845,990
- Issue date Sep 30, 2014
- Prayon Technologies
- Alain Germeau
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method and Device for Producing Polyphosphoric Acid
- Publication number 20140377138
- Publication date Dec 25, 2014
- PRAYON TECHNOLOGIES
- Alain Germeau
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and Device for Producing Polyphosphoric Acid
- Publication number 20120058038
- Publication date Mar 8, 2012
- Alain Germeau
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...