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Method of making acrylonitrile
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Patent number 4,849,539
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Issue date Jul 18, 1989
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E. I. Du Pont de Nemours and Company
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Horacio E. Bergna
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method of making maleic anhydride
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Patent number 4,769,477
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Issue date Sep 6, 1988
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E. I. Du Pont de Nemours and Company
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Horacio E. Bergna
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Modified 8-ring zeolites as catalysts
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Patent number 4,752,596
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Issue date Jun 21, 1988
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E. I. Du Pont de Nemours and Company
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Horacio E. Bergna
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Silica sol process
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Patent number 4,410,405
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Issue date Oct 18, 1983
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E. I. Du Pont de Nemours & Co.
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Horacio E. Bergna
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C01 - INORGANIC CHEMISTRY
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Aluminosilicate sols and powders
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Patent number 4,272,409
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Issue date Jun 9, 1981
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E. I. Du Pont de Nemours and Company
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Horacio E. Bergna
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Spray dried silica for chromatography
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Patent number 4,131,542
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Issue date Dec 26, 1978
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E. I. DuPont de Nemours and Company
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Horacio E. Bergna
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Filled polyolefin compositions
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Patent number 3,951,680
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Issue date Apr 20, 1976
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E. I. Du Pont de Nemours and Company
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James A. Robertson
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C01 - INORGANIC CHEMISTRY