Wilfrid Petrie

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Pressure swing adsorption unit
- Patent number 5,529,614
- Issue date Jun 25, 1996
- L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
- Yves Engler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the treatment of a gaseous mixture by adsorption with p...
- Patent number 5,529,611
- Issue date Jun 25, 1996
- L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
- Christian Monereau
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the combined production of nitrogen and oxygen with adj...
- Patent number 5,421,163
- Issue date Jun 6, 1995
- L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
- Yves Engler
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Process for the production of a gas with a substantial oxygen content
- Patent number 5,393,326
- Issue date Feb 28, 1995
- L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
- Yves Engler
- C01 - INORGANIC CHEMISTRY