Inventor · disambiguated record
Kai-Oliver Feldmann
Also filed as: FELDMANN KAI-OLIVER
6 granted patents·10 pending applications·11 citations·filing 2018–2023
71Inventor score
Files withEVONIK OPERATIONS GMBH16
Top patents by PatentIndex Score
16 records- 0193US10995174B2Production of polyurethane systemsEVONIK OPERATIONS GMBH·Filed 2018·Granted May 4, 2021·10 cites·11 claims
- 0284US11932747B2Use of long-chain citric acid esters in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2021·Granted Mar 19, 2024·1 cites·15 claims
- 0376US2023416497A1Use of surfactant formulations comprising long-chain alcohols in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 0473US12129329B2Production of polyurethane systemsEVONIK OPERATIONS GMBH·Filed 2021·Granted Oct 29, 2024·0 cites·14 claims
- 0564US2021403673A1Use of surfactant formulations comprising long-chain alcohols in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 0661US12060451B2Nitrogen-free and low-nitrogen crosslinking additives for cold-cure flexible slabstock foam having improved compression and aging propertiesEVONIK OPERATIONS GMBH·Filed 2021·Granted Aug 13, 2024·0 cites·17 claims
- 0758US2022306861A1Use of polyamine- and/or polyalkanolamine-based carboxylic acid derivatives in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 0858US2024209233A1Use of solid-based foaming aids in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2022·Application pending·0 cites
- 0955US12252588B2Polyether-siloxane block copolymers for the production of polyurethane foamsEVONIK OPERATIONS GMBH·Filed 2021·Granted Mar 18, 2025·0 cites·19 claims
- 1053US2021403493A1Use of two-tail long-chain anionic surfactants in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 1153US2021403678A1Use of long-chain phosphoric acid esters in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 1249US2022259429A1Combined use of polyol ethers and cationic polyelectrolytes in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2019·Application pending·0 cites
- 1349US2022315797A1Combined use of polyol esters and cationic polyelectrolytes in aqueous polyurethane dispersionsEVONIK OPERATIONS GMBH·Filed 2019·Application pending·0 cites
- 1449US2022243057A1Polyol ester-based foam additives for polyurethane dispersions having high filler contentsEVONIK OPERATIONS GMBH·Filed 2019·Application pending·0 cites
- 1546US2022243058A1Polyol ether-based foam additives for polyurethane dispersions having high filler contentsEVONIK OPERATIONS GMBH·Filed 2019·Application pending·0 cites
- 1643US11965064B2Crosslinked polyether-siloxane block copolymers and their use for producing polyurethane foamsEVONIK OPERATIONS GMBH·Filed 2019·Granted Apr 23, 2024·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Kai-Oliver Feldmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →