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Patents Grantslast 30 patents

Information Patent Grant
Polymercaptan compound and preparation method thereof, curing agent...
- Patent number 11,919,842
- Issue date Mar 5, 2024
- WELDTONE TECHNOLOGY CO., LTD
- Changjing Chen
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYMERCAPTAN COMPOUND AND PREPARATION METHOD THEREOF, CURING AGENT...
- Publication number 20230373912
- Publication date Nov 23, 2023
- WELDTONE TECHNOLOGY CO., LTD
- Changjing CHEN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Trademarklast 30 trademarks

Information Trademark
98270151 - WELDTONE
- Serial number 98270151
- Registration number 7535047
- Filing date Nov 14, 2023
- WELDTONE TECHNOLOGY CO.,LTD
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
79346725 - WELDTONE
- Serial number 79346725
- Registration number 7215417
- Filing date Jun 2, 2022
- WELDTONE TECHNOLOGY CO.,LTD
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry