Inventor · disambiguated record
Hermann Piana
Also filed as: PIANA HERMANN
4 granted patents·94 citations·filing 1991–1996
79Inventor score
Files withDEGUSSA4
Top patents by PatentIndex Score
4 records- 0166US5782935AProcess for coloring polytrimethylene terephthalate fibres and use of the fibres colored by this processDEGUSSA·Filed 1995·Granted Jul 21, 1998·48 cites·19 claims
- 0259US5373068AUse of isophoronediamine isomer mixtures in polyaddition resinsDEGUSSA·Filed 1993·Granted Dec 13, 1994·11 cites·15 claims
- 0355US5739204AHeat-curable coating materialDEGUSSA·Filed 1996·Granted Apr 14, 1998·19 cites·7 claims
- 0447US5183944AMethod of doping aqueous solutions with acrolein in biocidally effective concentrationDEGUSSA·Filed 1991·Granted Feb 2, 1993·16 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →