ZHEJIANG KEYONG CHEMICAL CO., LTD.

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Zhejing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Reactive navy to black dye composition and dye product thereof
- Patent number 10,954,392
- Issue date Mar 23, 2021
- ZHEJIANG KEYONG CHEMICAL CO., LTD.
- Xiaohong Wang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

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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...
Information Patent Application
A REACTIVE NAVY TO BLACK DYE COMPOSITION AND DYE PRODUCT THEREOF
- Publication number 20200283634
- Publication date Sep 10, 2020
- Zhejiang Keyong Chemical Co., Ltd.
- Xiaohong WANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
A REACTIVE DYE COMPOUND AND PREPARATION METHOD AND APPLICATION THEREOF
- Publication number 20200231819
- Publication date Jul 23, 2020
- Zhejiang Keyong Chemical Co., Ltd.
- HUAIQING GAO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Yellow Reactive Dye Compound
- Publication number 20150232668
- Publication date Aug 20, 2015
- ZHEJIANG KEYONG CHEMICAL CO., LTD.
- Xiaohong Wang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...