John F. Sieberth

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Baton Rouge, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Oil soluble dispersants suitable for use in fuels and lubricants
- Patent number 5,464,549
- Issue date Nov 7, 1995
- Ethyl Corporation
- John F. Sieberth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reducing copper corrosiveness of organic sulfides
- Patent number 5,208,382
- Issue date May 4, 1993
- Ethyl Petroleum Additives, Inc.
- Edmund F. Perozzi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reducing copper corrosiveness of organic sulfides
- Patent number 5,091,112
- Issue date Feb 25, 1992
- Ethyl Petroleum Additives, Inc.
- Edmund F. Perozzi
- C07 - ORGANIC CHEMISTRY