Frank R. Feher Jr.

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Belleville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Perfluorinated polyethers and process for their preparation
- Patent number 5,120,459
- Issue date Jun 9, 1992
- Monsanto Company
- Dennis J. Kalota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel perfluorinated polyethers and process for their preparation
- Patent number 5,076,949
- Issue date Dec 31, 1991
- Monsanto Company
- Dennis J. Kalota
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel perfluorinated polyethers and process for their preparation
- Patent number 4,996,369
- Issue date Feb 26, 1991
- Monsanto Company
- Dennis J. Kalota
- C07 - ORGANIC CHEMISTRY