Sing-Wang Cheng

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Separation of an aqueous solution by the improved vacuum freezing h...
- Patent number 4,236,382
- Issue date Dec 2, 1980
- Chen-Yen Cheng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Distillative freezing process for separating volatile mixtures and...
- Patent number 4,218,893
- Issue date Aug 26, 1980
- Chen-yen Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL