Inventor · disambiguated record
Steffen Krill
Also filed as: KRILL STEFFEN
83 granted patents·21 pending applications·326 citations·filing 1997–2023
99Inventor score
Top patents by PatentIndex Score
104 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
- 0694US10343980B2Preparation of N,N-(di)alkylaminoalkyl(meth)acrylamide or N,N-(di)alkylaminoalkyl (meth)acrylate and the quaternary ammonium salts thereof as flocculating aids and gelling agentsEVONIK ROEHM GMBH·Filed 2017·Granted Jul 9, 2019·6 cites·14 claims
- 0793US11124471B2Process for oxidative esterification of aldehydes to carboxylic acid estersROEHM GMBH·Filed 2018·Granted Sep 21, 2021·7 cites·16 claims
- 0893US10479754B2Synthesis of methacrylic acid from methacrolein-based alkyl methacrylateROEHM GMBH·Filed 2016·Granted Nov 19, 2019·5 cites·17 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
- 1290US6063968AMethod for the production of trimethylhydroquinoneDEGUSSA·Filed 1997·Granted May 16, 2000·42 cites·2 claims
- 1389US11472762B2Process for producing alkyl methacrylates and optionally methacrylic acidROEHM GMBH·Filed 2020·Granted Oct 18, 2022·2 cites·13 claims
- 1489US11299449B2Process for preparing MMA in high yieldsROEHM GMBH·Filed 2019·Granted Apr 12, 2022·3 cites·20 claims
- 1589US11279667B2Catalyst for the oxidative esterification of aldehydes to carboxylic estersROEHM GMBH·Filed 2018·Granted Mar 22, 2022·2 cites·12 claims
- 1689US9994507B2Optimized method for producing methacroleinEVONIK ROEHM GMBH·Filed 2015·Granted Jun 12, 2018·4 cites·14 claims
- 1788US11427664B2Process for producing optical molding materialsROEHM GMBH·Filed 2018·Granted Aug 30, 2022·3 cites·17 claims
- 1888US10596539B2Method for carrying out a heterogeneously catalysed reactionEVONIK ROEHM GMBH·Filed 2017·Granted Mar 24, 2020·3 cites·16 claims
- 1987US11414373B2Glycerol (meth)acrylate carboxylic ester having a long shelf lifeEVONIK ROEHM GMBH·Filed 2017·Granted Aug 16, 2022·4 cites·20 claims
- 2087US10125077B2Optimized process for preparing methacrylic acidKRILL STEFFEN·Filed 2015·Granted Nov 13, 2018·4 cites·15 claims
- 2187US9611204B2Method of regulating the water content in a continuous method for producing methacroleinEVONIK ROEHM GMBH·Filed 2014·Granted Apr 4, 2017·4 cites·19 claims
- 2287US7423173B2Method for producing alpha-hydroxycarboxylic acids and the esters thereofROEHM GMBH·Filed 2005·Granted Sep 9, 2008·11 cites·18 claims
- 2385US11319276B2Preparation of diesters of (meth)acrylic acid from epoxidesEVONIK OPERATIONS GMBH·Filed 2019·Granted May 3, 2022·4 cites·20 claims
- 2483US10232353B2Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic estersLYGIN ALEXANDER·Filed 2015·Granted Mar 19, 2019·4 cites·20 claims
- 2581US6380437B1Process for the preparation of unsaturated 4,5-allene ketones, 3,5-diene ketones and the corresponding saturated ketonesDEGUSSA·Filed 2000·Granted Apr 30, 2002·15 cites·9 claims
- 2677US11780944B2Process for producing optical molding materialsROEHM GMBH·Filed 2022·Granted Oct 10, 2023·0 cites·17 claims
- 2777US11512043B2Process for preparing N-methyl(meth)acrylamideEVONIK OPERATIONS GMBH·Filed 2019·Granted Nov 29, 2022·1 cites·20 claims
- 2877US11505520B2Method for preparing keto-functionalized aromatic (meth)acrylatesEVONIK OPERATIONS GMBH·Filed 2019·Granted Nov 22, 2022·1 cites·22 claims
- 2977US9816703B2Recirculation and disposal of aqueous catalyst solutions in amine catalytic processesEVONIK ROEHM GMBH·Filed 2014·Granted Nov 14, 2017·5 cites·16 claims
- 3076US11939288B2Process for producing alkyl methacrylates with improved water and acid managementROEHM GMBH·Filed 2022·Granted Mar 26, 2024·0 cites·17 claims
- 3176US6262311B1Process for the preparation of 2,3,5-trimethyl-p-benzoquinoneDEGUSSA·Filed 2000·Granted Jul 17, 2001·9 cites·6 claims
- 3276US6239294B1Process to produce α-tocopherol-acetateDEGUSSA·Filed 2000·Granted May 29, 2001·7 cites·7 claims
- 3375US11905239B2Process for producing methacrylic acid or methacrylic acid estersROEHM GMBH·Filed 2022·Granted Feb 20, 2024·0 cites·19 claims
- 3475US11884618B2Preparation of (meth)acrylic acid estersEVONIK OPERATIONS GMBH·Filed 2022·Granted Jan 30, 2024·0 cites·19 claims
- 3573US9732023B2Process for preparation of methacrylic acid and methacrylic acid estersBALDUF TORSTEN·Filed 2014·Granted Aug 15, 2017·1 cites·17 claims
- 3672US9428437B2Method for dehydrating alpha-substituted carboxylic acidsMAY ALEXANDER·Filed 2014·Granted Aug 30, 2016·1 cites·13 claims
- 3770US11643383B2Method for producing a homogeneous catalyst for the Tishchenko reactionEVONIK OPERATIONS GMBH·Filed 2021·Granted May 9, 2023·0 cites·13 claims
- 3870US10441942B2Reaction tube and method for producing hydrogen cyanideEVONIK DEGUSSA GMBH·Filed 2014·Granted Oct 15, 2019·1 cites·18 claims
- 3970US2025179285A1Terminally unsaturated (meth)acrylate crosslinkers and use thereofROEHM GMBH·Filed 2023·Application pending·0 cites
- 4069US12410118B2Glycerol (meth)acrylate carboxylic ester having a long shelf lifeEVONIK OPERATIONS GMBH·Filed 2022·Granted Sep 9, 2025·0 cites·16 claims
- 4169US12017987B2Process for eliminating interfering by-products in the direct oxidative esterification of methacroleinROEHM GMBH·Filed 2022·Granted Jun 25, 2024·0 cites·19 claims
- 4269US2021269386A1Catalyst for the oxidative esterification of aldehydes to carboxylic estersROEHM GMBH·Filed 2021·Application pending·0 cites
- 4368US11958800B2Preparation of (meth)acrylic acid estersEVONIK OPERATIONS GMBH·Filed 2019·Granted Apr 16, 2024·0 cites·18 claims
- 4468US6583323B2Process for the production of 6-methylheptanoneDEGUSSA·Filed 2002·Granted Jun 24, 2003·4 cites·12 claims
- 4568US5874632AMethod of producing ketoisophoroneDEGUSSA·Filed 1997·Granted Feb 23, 1999·11 cites·10 claims
- 4667US6469215B1Process for the production of an intermediate mixture of β-isophorone epoxide and its isomer 4-hydroxyisophorone (HIP)DEGUSSA·Filed 2002·Granted Oct 22, 2002·5 cites·5 claims
- 4767US6410798B2Process for the preparation of 2,3,5-trimethy1-p-BenzoquinoneDEGUSSA·Filed 2001·Granted Jun 25, 2002·4 cites·10 claims
- 4866US12378183B2Process for preparing glycerol carbonate (meth)acrylateEVONIK OPERATIONS GMBH·Filed 2020·Granted Aug 5, 2025·0 cites·20 claims
- 4966US11560350B2Process for producing alkyl methacrylates with improved water and acid managementROEHM GMBH·Filed 2020·Granted Jan 24, 2023·0 cites·15 claims
- 5066US5969176AProcess for the production of trimethylhydroquinone diesters and of trimethylhydroquinoneDEGUSSA·Filed 1999·Granted Oct 19, 1999·9 cites·12 claims
Showing the top 50 of 104 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →