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John B. Michel
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Wilmington, DE, US
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last 30 patents
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Patent Grant
Catalyst regeneration by treatment with an oxidizing agent
Patent number
6,566,539
Issue date
May 20, 2003
E. I. Du Pont de Nemours and Company
Daniel Campos
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of calcium fluoride
Patent number
6,428,764
Issue date
Aug 6, 2002
E. I. Du Pont de Nemours and Company
John Byrne Michel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for regeneration of carbon-supported, rhenium-containing ca...
Patent number
6,225,477
Issue date
May 1, 2001
E. I. Du Pont de Nemours and Company
Richard Edward Ernst
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the production of calcium fluoride
Patent number
6,224,844
Issue date
May 1, 2001
E. I. Du Pont de Nemours and Company
Paul Douglas VerNooy
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for making 90 k superconductors using a spray dried oxalate...
Patent number
4,898,851
Issue date
Feb 6, 1990
E. I. Du Pont de Nemours and Company
John B. Michel
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for treating carbon supports for hydrogenation catalysts
Patent number
4,659,686
Issue date
Apr 21, 1987
E. I. Du Pont de Nemours and Company
Bonnie W. Griffiths
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL