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Charna Chemicals Ltd.

USPTO Granted Patents = 2

Forward Citations = 0

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5 inventors (with patents filed for the assignee):

Wei Zhang (2 out of 257 patents)

Yali Zhang (2 out of 19 patents)

Mingjian Qiu (2 out of 2 patents)

4. Zhaohui Chen (2 out of 2 patents)

5. Chunshan Zhang (2 out of 2 patents)

2 patents: Sort by Forward Citations

1. 7928268 - Process for producing 1,2-dialkoxy-3-fluorobenzene (2011-04-19),

2. 7786330 - Process for producing 1,2-dialkoxy-3-fluorobenzene (2010-08-31),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#767 in Beijing

#10,024 in China

Charna Chemicals Ltd.

Forward Citations = 0

5 inventors:

Wei Zhang (2 out of 257 patents)

Yali Zhang (2 out of 19 patents)

Mingjian Qiu (2 out of 2 patents)

4. Zhaohui Chen (2 out of 2 patents)

5. Chunshan Zhang (2 out of 2 patents)

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