John G. Schaffhausen

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of 2-alkoxy-6-ethylnaphthalenes
- Patent number 5,235,115
- Issue date Aug 10, 1993
- Amoco Corporation
- Gary P. Hagen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supplemental rust inhibitors and rust inhibition in internal combus...
- Patent number 5,204,012
- Issue date Apr 20, 1993
- Ethyl Corporation
- John G. Schaffhausen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the production of aminoguanidine bicarbonate
- Patent number 4,906,778
- Issue date Mar 6, 1990
- Amoco Corporation
- John G. Schaffhausen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricating oil additive
- Patent number 4,844,827
- Issue date Jul 4, 1989
- Amoco Corporation
- John G. Schaffhausen
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...