Inventor
KEYS BOYD A
US2 patents
Patents
2 patentsUS5508451AApr 16, 1996
Process for the preparation of dialkali metal cromoglycates
HOECHST CELANESE CORP16 citations69
US4968352ANov 6, 1990
Diaryl pigments with improved heat stability and transparency containing coupled mixed bis-diazotized diamines and acid-substituted aromatic amines
HOECHST CELANESE CORP12 citations65