Denis Pettigrew

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Notre-Dame du Portage, CA

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Patents Grantslast 30 patents

Information Patent Grant
Tertiary system and process for treating a liquid effluent from an...
- Patent number 7,790,035
- Issue date Sep 7, 2010
- Premier Tech Technologies LTEE
- Jean-Pierre Dautais
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Coconut mesocarp-based biofilter material and its use in a wastewat...
- Patent number 7,097,768
- Issue date Aug 29, 2006
- Premier Tech 2000 Ltee
- Pierre Talbot
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TERTIARY SYSTEM AND PROCESS FOR TREATING A LIQUID EFFLUENT FROM AN...
- Publication number 20090230057
- Publication date Sep 17, 2009
- PREMIER TECH TECHNOLOGIES LTEE
- Jean-Pierre Dautais
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Coconut mesocarp-based biofilter material and its use in a wastewat...
- Publication number 20040124139
- Publication date Jul 1, 2004
- Pierre Talbot
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL