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Walter Vladimir Cicha
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Wilmington, DE, US
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last 30 patents
Information
Patent Grant
Phosgene manufacturing process
Patent number
6,054,107
Issue date
Apr 25, 2000
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Phosgene manufacturing process
Patent number
6,054,612
Issue date
Apr 25, 2000
E. I. Du Pont de Nemours and Company
Walter V. Cicha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Phosgene manufacturing process
Patent number
6,022,993
Issue date
Feb 8, 2000
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alkaline earth fluoride manufacturing process
Patent number
5,910,297
Issue date
Jun 8, 1999
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing oxochlorides of sulfur
Patent number
5,879,652
Issue date
Mar 9, 1999
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Perfluoroalkyl sulfonates, their preparation and use
Patent number
5,773,637
Issue date
Jun 30, 1998
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing oxochlorides of sulfur
Patent number
5,759,508
Issue date
Jun 2, 1998
E. I. Du Pont de Nemours and Company
Walter Vladimir Cicha
C01 - INORGANIC CHEMISTRY