Inventor · disambiguated record
Constanze Prengel
Also filed as: PRENGEL CONSTANZE
5 granted patents·205 citations·filing 1990–1993
84Inventor score
Top patents by PatentIndex Score
5 records- 0193US5223360AMaterials coated with plate-like pigmentsMERCK PATENT GMBH·Filed 1990·Granted Jun 29, 1993·119 cites·17 claims
- 0275US5302199AInterference pigmentsMERCK PATENT GMBH·Filed 1992·Granted Apr 12, 1994·26 cites·14 claims
- 0365US5322561AConductive flaky pigmentsMERCK PATENT GMBH·Filed 1992·Granted Jun 21, 1994·17 cites·7 claims
- 0462US5354374AIron oxide pigmentsMERCK PATENT GMBH·Filed 1992·Granted Oct 11, 1994·26 cites·16 claims
- 0560US5407746APlatelet-like substratesMERCK PATENT GES MIT BESHRAENK·Filed 1993·Granted Apr 18, 1995·17 cites·16 claims
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