Inventor · disambiguated record
Persefoni Hilken
Also filed as: HILKEN PERSEFONI
3 granted patents·5 pending applications·0 citations·filing 2018–2020
39Inventor score
Top patents by PatentIndex Score
8 records- 0160US11434321B2Flame-retardant polyurethane rigid foamsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Sep 6, 2022·0 cites·11 claims
- 0254US10907007B2Polyurethane foams based on polyethercarbonate polyolsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Granted Feb 2, 2021·0 cites·14 claims
- 0354US2022315698A1Method for producing polyether carbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2020·Application pending·0 cites
- 0454US2022227928A1Method for preparing polyether carbonate polyolsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2020·Application pending·0 cites
- 0550US11352462B2Flame-retarded rigid polyurethane foamsCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Jun 7, 2022·0 cites·10 claims
- 0649US2021070916A1Polyurethane foams based on polyether carbonate polyolsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Application pending·0 cites
- 0745US2020087438A1Polyurethane foams based on polyethercarbonate polyolsCOVESTRO DEUTSCHLAND AG·Filed 2018·Application pending·0 cites
- 0845US2020399466A1Polyurethane foams based on polyethercarbonate polyolsCOVESTRO INTELLECTUAL PROPERTY GMBH & CO KG·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Persefoni Hilken 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 →