John M. MacDonald

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Sarnia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for stabilizing hydroisomerates
- Patent number 5,158,671
- Issue date Oct 27, 1992
- Exxon Research and Engineering Company
- Ian A. Cody
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Selected heteroaromatic nitrogen compounds as antioxidant/metal dea...
- Patent number 4,367,152
- Issue date Jan 4, 1983
- Exxon Research and Engineering Co.
- Peter G. Wright
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the preparation of low pour point lubricating oils
- Patent number 4,028,224
- Issue date Jun 7, 1977
- Exxon Research and Engineering Company
- John M. MacDonald
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...