Inventor · disambiguated record
Andrea Wittkowski
Also filed as: WITTKOWSKI ANDREA
5 granted patents·1 pending application·34 citations·filing 2000–2022
75Inventor score
Top patents by PatentIndex Score
6 records- 0187US11414373B2Glycerol (meth)acrylate carboxylic ester having a long shelf lifeEVONIK ROEHM GMBH·Filed 2017·Granted Aug 16, 2022·4 cites·20 claims
- 0284US6639099B1Process for synthesis of Di(meth)acrylic acid estersROEHM GMBH·Filed 2000·Granted Oct 28, 2003·20 cites·20 claims
- 0378US6936734B2Process for manufacturing unsaturated carboxylic acid anhydridesROEHM GMBH·Filed 2002·Granted Aug 30, 2005·10 cites·18 claims
- 0469US12410118B2Glycerol (meth)acrylate carboxylic ester having a long shelf lifeEVONIK OPERATIONS GMBH·Filed 2022·Granted Sep 9, 2025·0 cites·16 claims
- 0565US2025282929A1Unsaturated esters containing an additive for reducing and stabilizing the yellowness indexROEHM GMBH·Filed 2022·Application pending·0 cites
- 0660US11447579B2Concrete flow improvers and water reducersROEHM GMBH·Filed 2018·Granted Sep 20, 2022·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →