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Francisco J. Freire
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Wilmington, DE, US
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last 30 patents
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Patent Grant
Production of isocyanate using chlorine recycle
Patent number
6,010,612
Issue date
Jan 4, 2000
E. I. Du Pont de Nemours and Company
Francisco Jose Freire
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electrochemical cell having split fluid and current feed
Patent number
6,001,226
Issue date
Dec 14, 1999
E. I. Du Pont de Nemours and Company
Francisco Jose Freire
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Membrane hydration in electrochemical conversion of anhydrous hydro...
Patent number
5,976,346
Issue date
Nov 2, 1999
E. I. Du Pont de Nemours and Company
Francisco Jose Freire
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Production of ethylene dichloride by direct chlorination and produc...
Patent number
5,891,318
Issue date
Apr 6, 1999
E. I. Du Pont de Nemours and Company
Francisco Jose Freire
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for and apparatus production of carbonyl halide
Patent number
5,891,319
Issue date
Apr 6, 1999
E. I. Du Pont de Nemours and Company
Francisco Jose Freire
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for purifying hydrogen fluoride
Patent number
5,108,559
Issue date
Apr 28, 1992
E. I. Du Pont de Nemours and Company
Kaye L. Motz
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying hydrogen fluoride
Patent number
5,100,639
Issue date
Mar 31, 1992
E. I. Du Pont de Nemours and Company
Francisco J. Freire
C01 - INORGANIC CHEMISTRY