Inventor · disambiguated record
Sigmund Gunzenhauser
Also filed as: GUNZENHAUSER SIGMUND
5 granted patents·16 citations·filing 1977–1984
74Inventor score
Files withCIBA GEIGY CORP5
Top patents by PatentIndex Score
5 records- 0164US4562449AChromogenic dihydroquinazolinesCIBA GEIGY CORP·Filed 1984·Granted Dec 31, 1985·6 cites·6 claims
- 0262US4506073AChromenoazaindolizine compoundsCIBA GEIGY CORP·Filed 1983·Granted Mar 19, 1985·5 cites·7 claims
- 0354US4123439AChromenoindole compoundsCIBA GEIGY CORP·Filed 1977·Granted Oct 31, 1978·3 cites·3 claims
- 0429US4503227AChromogenic dihydroquinazolinesCIBA GEIGY CORP·Filed 1983·Granted Mar 5, 1985·0 cites·6 claims
- 0529US4174856AChromenoindole color formersCIBA GEIGY CORP·Filed 1978·Granted Nov 20, 1979·2 cites·14 claims
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