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Douglas Eric Spahr
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Wilmington, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Lower-energy process for preparing passivated inorganic nanoparticles
Patent number
7,276,231
Issue date
Oct 2, 2007
E I du Pont de Nemours and Company
Scott Rickbeil Frerichs
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Composition comprising nanoparticle TiO2 and ethylene copolymer
Patent number
7,265,176
Issue date
Sep 4, 2007
E. I. Du Pont de Nemours and Company
Christina Troeltzsch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for manufacturing pigment dispersions
Patent number
6,917,424
Issue date
Jul 12, 2005
E. I. Du Pont de Nemours and Company
Allan Blase Joseph Rodrigues
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for manufacturing transparent tints
Patent number
6,719,452
Issue date
Apr 13, 2004
E. I. Du Pont de Nemours and Company
Ken Stephen Schermacher
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Lower-energy process for preparing passivated inorganic nanoparticles
Publication number
20080085967
Publication date
Apr 10, 2008
Scott Rickbeil Frerichs
B82 - NANO-TECHNOLOGY
Information
Patent Application
Lower-energy process for preparing passivated inorganic nanoparticles
Publication number
20060264552
Publication date
Nov 23, 2006
Scott Rickbeil Frerichs
B82 - NANO-TECHNOLOGY
Information
Patent Application
Composition comprising nanoparticle TiO2 and ethylene copolymer
Publication number
20060173112
Publication date
Aug 3, 2006
Christina Troelzsch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Fine particle dispersion compositions and uses thereof
Publication number
20060027484
Publication date
Feb 9, 2006
Thomas J. Leck
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
Designed particle agglomeration
Publication number
20050106310
Publication date
May 19, 2005
John Henry Green
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for manufacturing transparent tints
Publication number
20030004229
Publication date
Jan 2, 2003
Ken Stephen Schermacher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Process for manufacturing pigment dispersions
Publication number
20020174804
Publication date
Nov 28, 2002
Allan Blase Joseph Rodrigues
C01 - INORGANIC CHEMISTRY