Edwin William Lehmann

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Oxfordshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Oil additives and compositions
- Patent number 6,458,175
- Issue date Oct 1, 2002
- Exxon Chemical Patents Inc.
- Edwin William Lehmann
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Chemical compositions and use as fuel additives
- Patent number 5,814,110
- Issue date Sep 29, 1998
- Exxon Chemical Patents Inc.
- Kenneth William Bartz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical compositions and their use as fuel additives
- Patent number 5,425,789
- Issue date Jun 20, 1995
- Exxon Chemical Patents Inc.
- Kenneth Lewtas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Testing apparatus and method
- Patent number 5,117,679
- Issue date Jun 2, 1992
- Exxon Chemical Patents Inc.
- Kenneth Lewtas
- G01 - MEASURING TESTING