Alfred Waterfeld

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Tuscaloosa, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermally stable perfluoropolyethers and processes therefor and the...
- Patent number 7,232,932
- Issue date Jun 19, 2007
- E. I. Du Pont de Nemours and Company
- Jon L. Howell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Perfluoropolyether primary bromides and lodides
- Patent number 7,148,385
- Issue date Dec 12, 2006
- E. I. Du Pont de Nemours and Company
- Jon L. Howell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermally stable perfluoropolyethers and processes therefor and the...
- Patent number 6,753,301
- Issue date Jun 22, 2004
- E. I. Du Pont de Nemours and Company
- Jon L. Howell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Perfluoropolyether primary bromides and iodides
- Patent number 6,653,511
- Issue date Nov 25, 2003
- E. I. Du Pont de Nemours and Company
- Jon L. Howell
- C07 - ORGANIC 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

Patents Applicationslast 30 patents

Information Patent Application
PROTON EXCHANGE MATERIAL AND METHOD THEREFOR
- Publication number 20130281555
- Publication date Oct 24, 2013
- UTC POWER CORPORATION
- Zhiwei Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermally stable perfluoropolyethers and processes therefor and the...
- Publication number 20040186211
- Publication date Sep 23, 2004
- Jon L. Howell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Perfluoropolyether primary bromides and lodides
- Publication number 20040024250
- Publication date Feb 5, 2004
- Jon L. Howell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Thermally stable perfluoropolyethers and processes therefor and the...
- Publication number 20030027732
- Publication date Feb 6, 2003
- Jon L. Howell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Perfluoropolyether primary bromides and iodides
- Publication number 20030013924
- Publication date Jan 16, 2003
- Jon L. Howell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Perfluoropolyether primary bromides and iodides
- Publication number 20030013922
- Publication date Jan 16, 2003
- Jon L. Howell
- C07 - ORGANIC CHEMISTRY