Inventor · disambiguated record
Otmar Hafner
Also filed as: HAFNER OTMAR
4 granted patents·43 citations·filing 1985–1990
76Inventor score
Files withHOECHST AG4
Top patents by PatentIndex Score
4 records- 0170US5070159AAddition compounds, a process for the preparation, and their use, based on epoxy novolac-fatty amine adductsHOECHST AG·Filed 1989·Granted Dec 3, 1991·11 cites·15 claims
- 0262US4631330AAddition compounds and process for their preparationHOECHST AG·Filed 1985·Granted Dec 23, 1986·14 cites·10 claims
- 0359US5066687APowdered azo pigments with improved rheological properties, process for their preparation and their useHOECHST AG·Filed 1990·Granted Nov 19, 1991·7 cites·12 claims
- 0448US4732618APowdered pigments with improved rheological properties, processes for their preparation and their use with a content of at least 5% of unsubstituted quinacridoneHOECHST AG·Filed 1985·Granted Mar 22, 1988·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →