Weihua Sun

Follow

Person

Yantai, Shandong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
No-added formaldehyde binder for composite wood product and the com...
- Patent number 11,806,892
- Issue date Nov 7, 2023
- Wanhua Chemical Group Co., Ltd.
- Song Tu
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
HOT-BATH FORMING PROCESS OF HIGH-CORROSION-RESISTANT AND EASY-TO-WE...
- Publication number 20240368721
- Publication date Nov 7, 2024
- SHANDONG IRON&STEEL GROUP RIZHAO CO., LTD.
- Peixing LIU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PREPARATION METHOD FOR VENEER MANUFACTURED BOARD
- Publication number 20240351236
- Publication date Oct 24, 2024
- WANHUA CHEMICAL GROUP CO., LTD.
- Weihua SUN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
No-Added Formaldehyde Binder For Composite Wood Product And the Com...
- Publication number 20200198176
- Publication date Jun 25, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Song Tu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...