Inventor · disambiguated record
Ulrich Koehler
Also filed as: KOEHLER ULRICH
13 granted patents·163 citations·filing 1989–2006
91Inventor score
Top patents by PatentIndex Score
13 records- 0192US5476969AHighly reactive polyoxyalkylene-polyols containing tertiary amino groups in bonded form, their preparation, and their use for the preparation of polyisocyanate polyaddition productsBASF AG·Filed 1992·Granted Dec 19, 1995·67 cites·3 claims
- 0281US5101045APreparation of n-substituted pyrrolidonesBASF AG·Filed 1991·Granted Mar 31, 1992·23 cites·10 claims
- 0376US5254738APreparation of 1,4-alkylenediaminesBASF AG·Filed 1991·Granted Oct 19, 1993·15 cites·10 claims
- 0471US5101044APreparation of n-substituted pyrrolidin-2-onesBASF AG·Filed 1990·Granted Mar 31, 1992·13 cites·15 claims
- 0566US5239120APreparation of 2-(3-aminopropyl)-cycloalkylaminesBASF AG·Filed 1991·Granted Aug 24, 1993·9 cites·20 claims
- 0665US5543515APreparation of tertiary amine oxidesBASF AG·Filed 1994·Granted Aug 6, 1996·8 cites·18 claims
- 0760US5132427AProcess for the preparation of aminesBASF AG·Filed 1990·Granted Jul 21, 1992·7 cites·15 claims
- 0858US5136051APreparation of 2-pyrrolidinonesBASF AG·Filed 1991·Granted Aug 4, 1992·6 cites·7 claims
- 0954US5130454APolytetrahydrofuran derivatives having terminal aromatic groupsBASF AG·Filed 1990·Granted Jul 14, 1992·9 cites·1 claims
- 1048US7767855B2Method for the continuous production of an amineBASF SE·Filed 2006·Granted Aug 3, 2010·0 cites·19 claims
- 1148US5359082APreparation of 4-substituted imidazoles from N-formyl-α-aminonitrileBASF AG·Filed 1993·Granted Oct 25, 1994·3 cites·4 claims
- 1233US5260484APolytetrahydrofuran derivatives having terminal aromatic groupsBASF AG·Filed 1992·Granted Nov 9, 1993·3 cites·6 claims
- 1329US5231231AProcess for preparing a poly(1,4-butanediol-ω,ω'-bismercaptan)BASF AG·Filed 1989·Granted Jul 27, 1993·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →