Yongfu HE

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Hangzhou City, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Two-component polyurethane adhesive composition and bonding method...
- Patent number 11,643,581
- Issue date May 9, 2023
- HANGZHOU ZHIJIANG NEW MATERIAL CO., LTD
- Hui Sun
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
HOT MELT ADHESIVE FOR INSULATING GLASS SPACER AND PREPARATION METHO...
- Publication number 20230272251
- Publication date Aug 31, 2023
- HANGZHOU ZHIJIANG ADVANCED MATERIAL CO., LTD
- Yunlong LI
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
TWO-COMPONENT POLYURETHANE ADHESIVE COMPOSITION AND BONDING METHOD...
- Publication number 20210340416
- Publication date Nov 4, 2021
- HANGZHOU ZHIJIANG NEW MATERIAL CO., LTD
- Hui SUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...