Quanhui He

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Shaoxing, CN

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Patents Applicationslast 30 patents

Information Patent Application
A REACTIVE NAVY TO BLACK DYE COMPOSITION AND DYE PRODUCT THEREOF
- Publication number 20240002669
- Publication date Jan 4, 2024
- ZHEJIANG KEYONG CHEMICAL CO., LTD.
- Xubin He
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
A REACTIVE DYE COMPOUND AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20230392017
- Publication date Dec 7, 2023
- ZHEJIANG KEYONG CHEMICAL CO., LTD.
- Xubin He
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...