Wai Kwong Ching

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North Point, CN

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Patents Grantslast 30 patents

Information Patent Grant
Inorganic gel for controlled releasing of fragrance and disinfectant
- Patent number 10,507,257
- Issue date Dec 17, 2019
- The Hong Kong University of Science and Technology
- King Lun Yeung
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Inorganic gel for controlled releasing of fragrance and disinfectant
- Patent number 10,155,060
- Issue date Dec 18, 2018
- The Hong Kong University of Science and Technology
- King Lun Yeung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
INORGANIC GEL FOR CONTROLLED RELEASING OF FRAGRANCE AND DISINFECTANT
- Publication number 20190060502
- Publication date Feb 28, 2019
- THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- King Lun Yeung
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
INORGANIC GEL FOR CONTROLLED RELEASING OF FRAGRANCE AND DISINFECTANT
- Publication number 20130287723
- Publication date Oct 31, 2013
- King Lun Yeung
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING