Inventor · disambiguated record
Josef Ertl
Also filed as: ERTL JOSEF
5 granted patents·52 citations·filing 1986–1986
79Inventor score
Files withHOECHST AG5
Top patents by PatentIndex Score
5 records- 0186US4689416AProcess for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro(4.5)decane compoundsHOECHST AG·Filed 1986·Granted Aug 25, 1987·26 cites·6 claims
- 0264US4771091ASubstituted diazaoxaspirodecanes, preparation thereof and use thereof as stabilizers for polymersHOECHST AG·Filed 1986·Granted Sep 13, 1988·8 cites·12 claims
- 0351US4755602AProcess for preparing 1-oxa-3,8-diaza-4-oxo-spiro-[4,5]-decanesHOECHST AG·Filed 1986·Granted Jul 5, 1988·4 cites·3 claims
- 0450US4745192A1-oxa-3-oxo-4,8-diaza-spiro(4,5)decane compoundsHOECHST AG·Filed 1986·Granted May 17, 1988·10 cites·2 claims
- 0535US4797436AOligomeric diazaoxaspirodecanes, preparation thereof and use thereof as light stabilizers for polymersHOECHST AG·Filed 1986·Granted Jan 10, 1989·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →