John P. Longwell

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Cambridge, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for detoxifying coal tars
- Patent number 4,409,094
- Issue date Oct 11, 1983
- Massachusetts Institute of Technology
- John P. Longwell
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...