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Russell Bertrum Diemer JR.
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Modified electrolyte for fused salt electrolysis
Patent number
6,117,303
Issue date
Sep 12, 2000
E. I. Du Pont de Nemours and Company
Oswald Robert Bergmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Modified electrolyte and diaphragm for fused salt electrolysis
Patent number
6,063,247
Issue date
May 16, 2000
E. I. Du Pont de Nemours and Company
Oswald Robert Bergmann
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for producing coated TiO.sub.2 pigment using cooxidation to...
Patent number
5,922,120
Issue date
Jul 13, 1999
E. I. Du Pont de Nemours and Company
Narayanan Sankara Subramanian
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Granular scrubs for use in manufacturing titanium dioxide pigment
Patent number
5,759,511
Issue date
Jun 2, 1998
E. I. Du Pont de Nemours and Company
Russell Bertrum Diemer
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Iron as a co-additive in refining crude lead bullion
Patent number
5,223,021
Issue date
Jun 29, 1993
E. I. Du Pont de Nemours and Company
Michael H. Blenk
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Iron and a copper speiss as co-additives in refining crude lead bul...
Patent number
5,183,497
Issue date
Feb 2, 1993
E. I. Du Pont de Nemours and Company
Michael H. Blenk
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper speiss as a co-additive in refining crude lead bullion
Patent number
5,183,496
Issue date
Feb 2, 1993
E. I. Du Pont de Nemours and Company
Michael H. Blenk
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
Process for making durable titanium dioxide pigment in the chloride...
Publication number
20080202385
Publication date
Aug 28, 2008
Narayanan Sankara Subramanian
B82 - NANO-TECHNOLOGY
Information
Patent Application
Titanium dioxide finishing process
Publication number
20080105165
Publication date
May 8, 2008
Russell Bertrum Diemer
B82 - NANO-TECHNOLOGY
Information
Patent Application
TITANIUM DIOXIDE FINISHING PROCESS
Publication number
20070095253
Publication date
May 3, 2007
Russell Bertrum Diemer
B82 - NANO-TECHNOLOGY
Information
Patent Application
Process for treating inorganic particles via sintering of sinterabl...
Publication number
20060275227
Publication date
Dec 7, 2006
Narayanan Sankara Subramanian
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Process and tubular reactor for recovery of chlorine from iron chlo...
Publication number
20060133985
Publication date
Jun 22, 2006
Thomas J. Buller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for making durable rutile titanium dioxide pigment by vapor...
Publication number
20040258610
Publication date
Dec 23, 2004
Narayanan Sankara Subramanian
B82 - NANO-TECHNOLOGY
Information
Patent Application
Process for making durable rutile titanium dioxide pigment by vapor...
Publication number
20030051635
Publication date
Mar 20, 2003
Narayanan Sankara Subramanian
B82 - NANO-TECHNOLOGY