Duncan J. Bristow

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Sarnia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for increasing deasphalted oil production from upgraded res...
- Patent number 4,673,485
- Issue date Jun 16, 1987
- Exxon Research and Engineering Company
- Duncan J. Bristow
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for increasing Bright Stock raffinate oil production
- Patent number 4,592,832
- Issue date Jun 3, 1986
- Exxon Research and Engineering Co.
- Duncan J. Bristow
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...