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Inventor
LENZ HANS-JOACHIM
DE
2 patents
Patents
2 patents
US4665163A
May 12, 1987
Diaryl pigments with improved heat stability obtained by coupling bis-diazotized diamines with acetoacetanilides
HOECHST AG
9 citations
70
US4235641A
Nov 25, 1980
Dyeing agent compositions based on polypropylene wax
HOECHST AG
16 citations
70