Steven J. Hildebrandt

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Kendall Park, NJ, 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
Information Patent Grant
Treated mineral and method for purifying liquids therewith
- Patent number 4,444,665
- Issue date Apr 24, 1984
- Engelhard Corporation
- Steven J. Hildebrandt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Treated attapulgite clay composition
- Patent number 4,386,010
- Issue date May 31, 1983
- Engelhard Corporation
- Steven J. Hildebrandt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL