Inventor · disambiguated record
Alexander Lygin
Also filed as: LYGIN ALEXANDER · LYGIN ALEXANDER V
26 granted patents·8 pending applications·181 citations·filing 2005–2024
96Inventor score
Files withEVONIK OPERATIONS GMBH10EXXONMOBIL CHEM PATENTS INC6ROEHM GMBH5EVONIK ROEHM GMBH4KRILL STEFFEN4
Top patents by PatentIndex Score
34 records- 0197US9890105B2Method for producing methylmethacrylateKRILL STEFFEN·Filed 2014·Granted Feb 13, 2018·25 cites·15 claims
- 0296US10766847B2Method for producing methylmethacrylateROEHM GMBH·Filed 2018·Granted Sep 8, 2020·7 cites·19 claims
- 0395US10457626B2Method for producing methylmethacrylateEVONIK ROEHM GMBH·Filed 2018·Granted Oct 29, 2019·5 cites·19 claims
- 0495US10273201B2Method for producing methylmethacrylateEVONIK ROEHM GMBH·Filed 2017·Granted Apr 30, 2019·5 cites·19 claims
- 0595US9617199B2Process for preparing unsaturated esters proceeding from aldehydes by direct oxidative esterificationKRILL STEFFEN·Filed 2014·Granted Apr 11, 2017·25 cites·18 claims
- 0693US11124471B2Process for oxidative esterification of aldehydes to carboxylic acid estersROEHM GMBH·Filed 2018·Granted Sep 21, 2021·7 cites·16 claims
- 0793US10479754B2Synthesis of methacrylic acid from methacrolein-based alkyl methacrylateROEHM GMBH·Filed 2016·Granted Nov 19, 2019·5 cites·17 claims
- 0893US8173828B2Halogen substituted heteroatom-containing metallocene compounds for olefin polymerizationVOSKOBOYNIKOV ALEXANDER Z·Filed 2010·Granted May 8, 2012·12 cites·35 claims
- 0991US10301251B2Extractive workup of a sodium-salt-containing MMA-methanol mixtureEVONIK ROEHM GMBH·Filed 2016·Granted May 28, 2019·12 cites·13 claims
- 1091US9963417B2Process for producing methyl methacrylateKRILL STEFFEN·Filed 2014·Granted May 8, 2018·9 cites·20 claims
- 1191US9580374B2Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterificationKRILL STEFFEN·Filed 2014·Granted Feb 28, 2017·6 cites·16 claims
- 1291US7446216B2Halogen substituted metallocene compounds for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Nov 4, 2008·15 cites·21 claims
- 1388US10596539B2Method for carrying out a heterogeneously catalysed reactionEVONIK ROEHM GMBH·Filed 2017·Granted Mar 24, 2020·3 cites·16 claims
- 1483US10232353B2Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic estersLYGIN ALEXANDER·Filed 2015·Granted Mar 19, 2019·4 cites·20 claims
- 1579US8546595B2Halogen substituted heteroatom-containing metallocene compounds for olefin polymerizationVOSKOBOYNIKOV ALEXANDER Z·Filed 2012·Granted Oct 1, 2013·2 cites·46 claims
- 1674US7868197B2Halogen substituted heteroatom-containing metallocene compounds for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Jan 11, 2011·2 cites·12 claims
- 1774US7538168B2Halogen substituted metallocene compounds for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted May 26, 2009·13 cites·81 claims
- 1873US7910783B2Preparation of substituted bridged indenyl and related ligandsEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Mar 22, 2011·2 cites·95 claims
- 1973US7667064B2Halogen substituted metallocene compounds for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Feb 23, 2010·12 cites·83 claims
- 2070US11643383B2Method for producing a homogeneous catalyst for the Tishchenko reactionEVONIK OPERATIONS GMBH·Filed 2021·Granted May 9, 2023·0 cites·13 claims
- 2168US7550544B2Halogen substituted metallocene compounds for olefin polymerizationEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Jun 23, 2009·10 cites·57 claims
- 2265US10934245B2Method for producing a homogeneous catalyst for the Tishchenko reactionEVONIK OPERATIONS GMBH·Filed 2018·Granted Mar 2, 2021·0 cites·14 claims
- 2363US12330951B2Silica granules for thermal treatmentEVONIK OPERATIONS GMBH·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 2463US2024158649A1Curable composition for production of coatings for thermal, electrical and/or acoustic insulationEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 2563US2025002445A1Optimized process for manufacturing methyl methacrylateLYGIN ALEXANDER·Filed 2024·Application pending·0 cites
- 2662US2025058296A1Precipitated silica for improved adsorption of volatile organic compoundsLYGIN ALEXANDER·Filed 2024·Application pending·0 cites
- 2762US2024359995A1Process for producing at least one pyrogenic compound and burner suitable for use in said processEVONIK OPERATIONS GMBH·Filed 2024·Application pending·0 cites
- 2861US11919846B2Continuous process for preparing methacroleinROEHM GMBH·Filed 2019·Granted Mar 5, 2024·0 cites·17 claims
- 2961US2024239679A1Fumed alumina powder with reduced moisture contentEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 3060US10640448B2Method for preparing carboxylic esters from aldehydesEVONIK OPERATIONS GMBH·Filed 2018·Granted May 5, 2020·0 cites·7 claims
- 3160US2024116764A1Fumed silica powder with reduced silanol group densityEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 3253US10906025B2Gold-based catalyst for oxidative esterification of aldehydes to carboxylic acid estersROEHM GMBH·Filed 2016·Granted Feb 2, 2021·0 cites·20 claims
- 3349US2023062574A1Fumed silica with modified surface activityEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 3448US2023110025A1Silica-based thermal insulation moulded bodyEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →