John E. Duddy

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Bensalem, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Catalytic multi-stage hydrodesulfurization of metals-containing pet...
- Patent number 5,925,238
- Issue date Jul 20, 1999
- IFP North America
- John E. Duddy
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst rejuvenation process
- Patent number 5,906,953
- Issue date May 25, 1999
- HRI
- John E. Duddy
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL