SHANGHAI KEYONTECHS CO., LTD.

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing sulfuric acid by using hydrogen sulfide
- Patent number 9,108,846
- Issue date Aug 18, 2015
- Shanghai Keyontechs Co., Ltd.
- Ren Zhou
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING SULFURIC ACID BY USING HYDROGEN SULFIDE
- Publication number 20140205534
- Publication date Jul 24, 2014
- SHANGHAI KEYONTECHS CO., LTD.
- Ren Zhou
- F28 - HEAT EXCHANGE IN GENERAL

Trademarklast 30 trademarks

Information Trademark
97298964 - A + K
- Serial number 97298964
- Registration number 7024101
- Filing date Mar 7, 2022
- Shanghai Keyontechs Co., Ltd.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments