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Dwight A. Holtzen
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Newark, DE, US
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Patents Grants
last 30 patents
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Patent Grant
Processibility and lacing resistance when silanized pigments are in...
Patent number
5,959,004
Issue date
Sep 28, 1999
E. I. Du Pont de Nemours and Company
Patricia Ann Tooley
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Processibility and lacing resistance when silanized pigments are in...
Patent number
5,889,090
Issue date
Mar 30, 1999
E. I. DuPont DeNemours & Company
Patricia Ann Tooley
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Laser marking of fluoropolymer composition
Patent number
5,789,466
Issue date
Aug 4, 1998
E. I. Du Pont de Nemours and Company
John Nicholas Birmingham
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Processibility and lacing resistance when silanized pigments are in...
Patent number
5,631,310
Issue date
May 20, 1997
E. I. Du Pont de Nemours and Company
Patricia A. Tooley
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Processibility and lacing resistance when silanized pigments are in...
Patent number
5,607,994
Issue date
Mar 4, 1997
E. I. Du Pont de Nemours and Company
Patricia A. Tooley
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Laser marking of fluoropolymer composition
Patent number
5,560,845
Issue date
Oct 1, 1996
E. I. Du Pont de Nemours and Company
John N. Birmingham
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
TiO.sub.2 pigments resistant to discoloration in the presence of po...
Patent number
4,999,055
Issue date
Mar 12, 1991
E. I. Du Pont de Nemours and Company
Dwight A. Holtzen
C01 - INORGANIC CHEMISTRY