For the Inventor, By the Inventor

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Allendale Park, NJ, United States of America

Kingchem LLC.

USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Zheqing Wang (2 out of 2 patents)

Angang Wang (2 out of 4 patents)

Yongcan Wang (1 out of 1 patent)

4. Zhenwei Li (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 9139507 - Process for the preparation of alkyl 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylate and its analogs (2015-09-22),

2. 8871947 - Preparation of alkyl 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid ester (2014-10-28),

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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#1 in Allendale Park, NJ

#3,401 in New Jersey

#94,782 in US

Allendale Park, NJ, United States of America

Kingchem LLC.

Forward Citations = 0

4 inventors:

Zheqing Wang (2 out of 2 patents)

Angang Wang (2 out of 4 patents)

Yongcan Wang (1 out of 1 patent)

4. Zhenwei Li (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kingchem LLC.. Retrieved from https://idiyas.com/company/kingchem

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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