Chi-Hung Yeung

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Cobalt-molybdenum-phosphorus alloy diffusion barrier coatings
- Patent number 6,528,184
- Issue date Mar 4, 2003
- Hong Kong Polytechnic University
- Hau-chung Man
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cobalt-tungsten-phosphorus alloy diffusion barrier coatings, method...
- Patent number 6,528,185
- Issue date Mar 4, 2003
- Hong Kong Polytechnic University
- Hau-chung Man
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
LIGNOCELLULOSIC BIOMASS TREATMENT METHOD AND SYSTEM
- Publication number 20200207925
- Publication date Jul 2, 2020
- The Hong Kong Polytechnic University
- Chengyu DONG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cobalt-tungsten-phosphorus alloy diffusion barrier coatings, method...
- Publication number 20020160222
- Publication date Oct 31, 2002
- Hau-chung Man
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Cobalt-molybdenum-phosphorus alloy diffusion barrier coatings
- Publication number 20020155315
- Publication date Oct 24, 2002
- Hau-Chung Man
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...