Wai Hong YU

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Shatin, HK

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Patents Grantslast 30 patents

Information Patent Grant
Germ-repellent book and food paper packaging, and method of manufac...
- Patent number 12,110,635
- Issue date Oct 8, 2024
- MAIN CHOICE PAPER PRODUCTS LIMITED
- Wenjun Meng
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Germ-repellent book and food paper packaging, and method of manufac...
- Patent number 12,000,092
- Issue date Jun 4, 2024
- MAIN CHOICE PAPER PRODUCTS LIMITED
- Wenjun Meng
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
FOOD CONTACT SAFE, GERM REPELLENT MATERIAL
- Publication number 20230374292
- Publication date Nov 23, 2023
- NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
- Wenjun MENG
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
GERM-REPELLENT BOOK AND FOOD PAPER PACKAGING, AND METHOD OF MANUFAC...
- Publication number 20230022618
- Publication date Jan 26, 2023
- Main Choice Paper Products Limited
- Wenjun MENG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
GERM-REPELLENT BOOK AND FOOD PAPER PACKAGING, AND METHOD OF MANUFAC...
- Publication number 20220064861
- Publication date Mar 3, 2022
- Main Choice Paper Products Limited
- Wenjun MENG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE