Zhejiang Hengyi Petrochemical Research Institute Co., Ltd.
China
| Total IP | 4 |
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| Total IP Rank # | 381,177 |
| IP Activity Score | 1.5/5.0 6 |
| IP Activity Rank # | 156,456 |
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| Last Patent | 2025 - Continuous production method for... | |||||||||||||||
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| First Patent | 2021 - Refining process and refining sy... | |||||||||||||||
Latest Inventions, Goods, Services
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