Assignee
CHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD
CN·9 granted patents·2 pending applications·27 citations·filing 2015–2023
Top patents by PatentIndex Score
11 records- 0195US11746074B2Methods for preparing diolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2021·Granted Sep 5, 2023·2 cites·30 claims
- 0295US10464870B2Methods for preparing diolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2015·Granted Nov 5, 2019·10 cites·17 claims
- 0394US11104629B2Methods for preparing diolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2019·Granted Aug 31, 2021·5 cites·23 claims
- 0494US10556226B2Acid-resistant alloy catalystCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2015·Granted Feb 11, 2020·6 cites·5 claims
- 0585US11318449B2Acid-resistant alloy catalystCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2018·Granted May 3, 2022·2 cites·5 claims
- 0684US11578024B2Method for refining bio-based propylene glycolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2019·Granted Feb 14, 2023·2 cites·17 claims
- 0775US12286393B2Method for refining bio-based propylene glycolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2023·Granted Apr 29, 2025·0 cites·14 claims
- 0872US10940465B2Acid-resistant alloy catalystCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2020·Granted Mar 9, 2021·0 cites·13 claims
- 0953US2023295064A1Method for refining bio-based crude ethylene glycolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2021·Application pending·0 cites
- 1044US2021340087A1Method for Refining Non-Petroleum Based Ethylene GlycolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2019·Application pending·0 cites
- 1143US10836696B2Method for increasing UV transmittance of ethylene glycolCHANGCHUN MEIHE SCIENCE AND TECH DEVELOPMENT CO LTD·Filed 2017·Granted Nov 17, 2020·0 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →