Assignee
ZHEJIANG NHU CO LTD
CN·21 granted patents·12 pending applications·6 citations·filing 2013–2025
Top patents by PatentIndex Score
33 records- 0189US10737250B2PdIn alloy catalyst, method for manufacturing PdIn alloy catalyst and application thereofZHEJIANG NHU CO LTD·Filed 2019·Granted Aug 11, 2020·3 cites·9 claims
- 0284US11440996B2Preparation method of polyphenylene sulfide resin, and polyphenylene sulfide resin prepared therebyZHEJIANG NHU CO LTD·Filed 2018·Granted Sep 13, 2022·2 cites·20 claims
- 0373US2023019023A1High Molecular Weight Polyphenylene Sulfide Resin, Preparation Method and Use ThereofZHEJIANG NHU CO LTD·Filed 2022·Application pending·0 cites
- 0465US2023406807A1Preparation method and apparatus for methyl methacrylateZHEJIANG NHU CO LTD·Filed 2023·Application pending·0 cites
- 0563US2021047471A1High Molecular Weight Polyphenylene Sulfide Resin, Preparation Method and Use ThereofZHEJIANG NHU CO LTD·Filed 2019·Application pending·0 cites
- 0659US10974225B1Metal oxide coated ceramic corrugated plate catalyst, preparation and application in preparation of key intermediates of citralZHEJIANG NHU CO LTD·Filed 2020·Granted Apr 13, 2021·0 cites·15 claims
- 0757US12391969B2Additive used in methionine preparation process, and methionine preparation methodZHEJIANG NHU CO LTD·Filed 2020·Granted Aug 19, 2025·0 cites·20 claims
- 0857US2023063291A1Stable carotenoid microcapsule having high bioavailability and preparation method thereforZHEJIANG NHU CO LTD·Filed 2021·Application pending·0 cites
- 0956US12331007B2Use of a multidentate phosphite ligand in the catalytic synthesis of adiponitrileZHEJIANG NHU CO LTD·Filed 2022·Granted Jun 17, 2025·0 cites·12 claims
- 1056US2024076261A1Method for preparing high-bulk-density ibuprofen spherical crystal and product thereofZHEJIANG NHU CO LTD·Filed 2022·Application pending·0 cites
- 1155US2025345782A1Method for preparing phosphorus-containing ligandZHEJIANG NHU CO LTD·Filed 2022·Application pending·0 cites
- 1253US2025352965A1Preparation equipment and process for nylon salt solutionZHEJIANG NHU CO LTD·Filed 2025·Application pending·0 cites
- 1353US2024016763A1Coenzyme q10 microemulsion, preparation method therefor and use thereofZHEJIANG NHU CO LTD·Filed 2022·Application pending·0 cites
- 1452US11180440B2Method for preparing isophorone diamine by means of hydrogenation reduction of isophorone nitrile imineZHEJIANG NHU CO LTD·Filed 2018·Granted Nov 23, 2021·0 cites·9 claims
- 1552US2025352970A1Continuous polymerization equipment and continuous polymerization process for preparing polyamide by using diacid and diamineZHEJIANG NHU CO LTD·Filed 2025·Application pending·0 cites
- 1650US12435033B2Method and device for preparing adiponitrileZHEJIANG NHU CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·19 claims
- 1749US10668460B2Composite catalyst, method for manufacturing composite catalyst and application thereofZHEJIANG NHU CO LTD·Filed 2019·Granted Jun 2, 2020·0 cites·13 claims
- 1849US2020029596A1Fat-soluble nutrient microcapsule and preparation method thereofZHEJIANG NHU CO LTD·Filed 2018·Application pending·0 cites
- 1948US12275692B2Method for preparing sodium taurate as taurine intermediate, and method for preparing taurineZHEJIANG NHU CO LTD·Filed 2020·Granted Apr 15, 2025·0 cites·8 claims
- 2047US11632970B2Vitamin and carotenoid powder and its preparation method and applicationZHEJIANG NHU CO LTD·Filed 2016·Granted Apr 25, 2023·0 cites·14 claims
- 2146US11130732B2Method and device for preparing 2-hydroxy-4-methylthiobutyric acid and intermediates thereofZHEJIANG NHU CO LTD·Filed 2019·Granted Sep 28, 2021·0 cites·16 claims
- 2246US2022080400A1Hydroformylation catalyst, preparation method therefor and use thereofZHEJIANG NHU CO LTD·Filed 2019·Application pending·0 cites
- 2345US11891355B2Method for preparing taurine and method for recovering mother liquor thereofZHEJIANG NHU CO LTD·Filed 2020·Granted Feb 6, 2024·0 cites·11 claims
- 2444US11220478B2Preparation method for 4-phenylthio-benzenethiolZHEJIANG NHU CO LTD·Filed 2018·Granted Jan 11, 2022·0 cites·19 claims
- 2544US10774350B2Method for fermentative production of oxidized coenzyme Q10ZHEJIANG NHU CO LTD·Filed 2018·Granted Sep 15, 2020·0 cites·13 claims
- 2643US2021324391A1Recombinant microorganism, preparation method therefor and application thereof in producing coenzyme q10ZHEJIANG NHU CO LTD·Filed 2019·Application pending·0 cites
- 2742USD1013533SBag packagingZHEJIANG NHU CO LTD·Filed 2022·Granted Feb 6, 2024·1 cites·1 claims
- 2842US10058849B2Metal complex catalyst, preparation method thereof, and use thereof in preparing D,L-mentholZHEJIANG NHU CO LTD·Filed 2016·Granted Aug 28, 2018·0 cites·10 claims
- 2941US11142542B2Method for synthesizing sucrose-6-esterZHEJIANG NHU CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·20 claims
- 3039US11390893B2Method for extracting coenzyme Q10 and phospholipid from coenzyme Q10 fermentation bacterial powderZHEJIANG NHU CO LTD·Filed 2018·Granted Jul 19, 2022·0 cites·20 claims
- 3136US10829510B2Method for preparing sucralose-6-acetate in biphasic liquid-liquid systemZHEJIANG NHU CO LTD·Filed 2017·Granted Nov 10, 2020·0 cites·9 claims
- 3236US10065901B2Method for preparing optically active carbonyl compoundZHEJIANG NHU CO LTD·Filed 2016·Granted Sep 4, 2018·0 cites·18 claims
- 3331US9206120B2Clean method for preparing D,L-methionineZHEJIANG NHU CO LTD·Filed 2013·Granted Dec 8, 2015·0 cites·9 claims
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