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HENGHE MATERIALS & SCIENCE TECHNOLOGY CO LTD
CN·2 granted patents·0 citations·filing 2020–2022
Top patents by PatentIndex Score
2 records- 0159US12479941B2Preparation method of BOPP film stiffening agentHENGHE MATERIALS & SCIENCE TECHNOLOGY CO LTD·Filed 2022·Granted Nov 25, 2025·0 cites·10 claims
- 0239US12054575B2Preparation method of highly aromatic hydrocarbon hydrogenated resinHENGHE MATERIALS & SCIENCE TECHNOLOGY CO LTD·Filed 2020·Granted Aug 6, 2024·0 cites·9 claims
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