Inventor · disambiguated record
Horst Fruhbeis
Also filed as: FRUEHBEIS HORST · GUNTHER DIETER
4 granted patents·49 citations·filing 1977–1984
76Inventor score
Files withHOECHST AG4
Top patents by PatentIndex Score
4 records- 0175US4330427AMixtures of optical brightenersHOECHST AG·Filed 1980·Granted May 18, 1982·19 cites·7 claims
- 0273US4219651ABenzimidazo-[1,2-a]-quinolinesHOECHST AG·Filed 1977·Granted Aug 26, 1980·7 cites·1 claims
- 0369US4578469ABenzo[de]pyrano[3,2-g]isoquinoline derivatives useful as dyestuffsHOECHST AG·Filed 1984·Granted Mar 25, 1986·9 cites·8 claims
- 0467US4336155AMixtures of optical brightenersHOECHST AG·Filed 1980·Granted Jun 22, 1982·14 cites·5 claims
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