C09B 9/04
Esters or ester-salts of leuco compounds of vat dyestuffs: of indigoid dyes
Official title: of indigoid dyes
C09B9/04 (Esters or ester-salts of leuco compounds of vat dyestuffs: of indigoid dyes) appears on 1 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 27 Sep 1994
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| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
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