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Inventor
ZIRKENBACH GERHARD
DE
2 patents
⚠️ This page may combine multiple inventors who share the name “ZIRKENBACH GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLARIANT PRODUKTE DEUTSCHLAND
1 patent
US7300474B2
Nov 27, 2007
Aqueous liquid formulations of pyrazoline brighteners
CLARIANT PRODUKTE DEUTSCHLAND
4 citations
57
HOECHST AG
1 patent
US5322941A
Jun 21, 1994
Process for the preparation of pyrene compounds
HOECHST AG
4 citations
57