Inventor · disambiguated record
Belaid Ait Aissa
Also filed as: AIT AISSA BELAID
12 granted patents·3 pending applications·13 citations·filing 2015–2022
83Inventor score
Top patents by PatentIndex Score
15 records- 0193US11124471B2Process for oxidative esterification of aldehydes to carboxylic acid estersROEHM GMBH·Filed 2018·Granted Sep 21, 2021·7 cites·16 claims
- 0289US11299449B2Process for preparing MMA in high yieldsROEHM GMBH·Filed 2019·Granted Apr 12, 2022·3 cites·20 claims
- 0388US11427664B2Process for producing optical molding materialsROEHM GMBH·Filed 2018·Granted Aug 30, 2022·3 cites·17 claims
- 0477US11780944B2Process for producing optical molding materialsROEHM GMBH·Filed 2022·Granted Oct 10, 2023·0 cites·17 claims
- 0576US11939288B2Process for producing alkyl methacrylates with improved water and acid managementROEHM GMBH·Filed 2022·Granted Mar 26, 2024·0 cites·17 claims
- 0666US11560350B2Process for producing alkyl methacrylates with improved water and acid managementROEHM GMBH·Filed 2020·Granted Jan 24, 2023·0 cites·15 claims
- 0765US2025282929A1Unsaturated esters containing an additive for reducing and stabilizing the yellowness indexROEHM GMBH·Filed 2022·Application pending·0 cites
- 0860US11661395B2Reactor and process for producing alkyl methacrylatesROEHM GMBH·Filed 2022·Granted May 30, 2023·0 cites·20 claims
- 0957US11731931B2Process for purifying methyl methacrylate of low-boiling componentsROEHM GMBH·Filed 2020·Granted Aug 22, 2023·0 cites·15 claims
- 1056US2024351972A1Preparation of a catalyst for the oxidative esterification of methacrolein to methyl methacrylate, for extending service lifeROEHM GMBH·Filed 2022·Application pending·0 cites
- 1154US11858890B2Reactor and process for producing alkyl (meth)acrylatesROEHM GMBH·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 1254US2023174456A1Process for producing hydroxyalkyl (meth)acrylate esters by oxidative cleavage of methacrolein acetalsROEHM GMBH·Filed 2021·Application pending·0 cites
- 1352US9809530B2Method for producing alpha-hydroxy carboxylic esters in the gas phaseKRILL STEFFEN·Filed 2015·Granted Nov 7, 2017·0 cites·6 claims
- 1450US10227284B2Method for preparing alpha-hydroxycarboxylic acid esters in which ammonia is recycledEVONIK ROEHM GMBH·Filed 2015·Granted Mar 12, 2019·0 cites·11 claims
- 1549US10160713B2Dehydration of alpha-substituted carboxylic acids in the presence of water at high pressuresEVONIK ROEHM GMBH·Filed 2015·Granted Dec 25, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →