David A. Zimmerman

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Titanium dioxide finishing process
- Patent number 7,247,200
- Issue date Jul 24, 2007
- E. I. Du Pont de Nemours and Company
- Russell Bertrum Diemer, Jr.
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of preparing grinding media consisting essentially of sinter...
- Patent number 6,036,999
- Issue date Mar 14, 2000
- Qian Qiu Zhao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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

Patents Applicationslast 30 patents

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 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...