Inventor · disambiguated record
Gerhard Zirkenbach
Also filed as: ZIRKENBACH GERHARD
2 granted patents·1 pending application·8 citations·filing 1992–2003
54Inventor score
Top patents by PatentIndex Score
3 records- 0158US7300474B2Aqueous liquid formulations of pyrazoline brightenersCLARIANT PRODUKTE DEUTSCHLAND·Filed 2003·Granted Nov 27, 2007·4 cites·13 claims
- 0249US5322941AProcess for the preparation of pyrene compoundsHOECHST AG·Filed 1992·Granted Jun 21, 1994·4 cites·16 claims
- 0338US2005101703A1Method for the production of optically brightened polyesterFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →