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Tsuan Y. Chang
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Baldwin, NY, US
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Patents Grants
last 30 patents
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Patent Grant
Process for the production of methyl formate
Patent number
4,661,624
Issue date
Apr 28, 1987
Tsuan Y. Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the thermal dewatering of young coals
Patent number
4,486,959
Issue date
Dec 11, 1984
The Halcon SD Group, Inc.
Tsuan Y. Chang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Gasification of coal
Patent number
4,391,612
Issue date
Jul 5, 1983
The Halcon SD Group, Inc.
Tsuan Y. Chang
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...