Invention Grant
- Patent Title: Bridged disazo compounds
- Patent Title (中): 桥接双偶氮化合物
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Application No.: US09509575Application Date: 2000-03-27
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Publication No.: US06365719B1Publication Date: 2002-04-02
- Inventor: Friedrich Lehr
- Applicant: Friedrich Lehr
- Priority: GB9720507 19970922; GB9720508 19970922; GB9725758 19971205
- Main IPC: C09B3310
- IPC: C09B3310
Abstract:
Compounds of formula (I) with the meanings of D, R1, R2, X and Y as given in claim 1 can be used as paper dyes or direct dyes or for the preparation of ink-jet inks.
Information query
