Inventor · disambiguated record
Aloysius Engel
Also filed as: ENGEL ALOYSIUS
4 granted patents·18 citations·filing 1988–2011
69Inventor score
Top patents by PatentIndex Score
4 records- 0176US4962040A2-hydrazono-4,6-dinitrobenzthiazolones useful to form dyestuffs and as color formers for detecting peroxideBAYER AG·Filed 1989·Granted Oct 9, 1990·12 cites·1 claims
- 0255US5502174AReactive dyestuffs based on a substituted barbituric acidBAYER AG·Filed 1994·Granted Mar 26, 1996·5 cites·9 claims
- 0333US8834581B2Disazo dyes, preparation and useENGEL ALOYSIUS·Filed 2011·Granted Sep 16, 2014·0 cites·20 claims
- 0424US4920208ABasic azo dyestuffsBAYER AG·Filed 1988·Granted Apr 24, 1990·1 cites·5 claims
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