Patent EP0030337A2 successfully refreshed from Google Patents.
EP0030337A2
Expired / Lapsed
EP
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Monoazo dyestuffs, process for their preparation, and their concentrated solutions
Assignee: Bayer AG
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Filing: 1980-11-28
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Granted: —
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Expires: 2000-11-28
Abstract
Abstract Dyes which are useful for producing fast dyeings on paper have the formula <IMAGE> where R1, R2 and R3 are each substituted or unsubstituted C1-C4-alkyl, with the proviso that at least one of these radicals contains a hydroxyl group.
Inventors
- 👤 Klaus Dr. Kunde
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 06:37
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072; C09B67/0073; C09B29/00; C09B29/0003; C09B29/0011; C09B29/34; C09B29/36; C09B29/3604; C09B29/3647; C09B29/3652; C09B29/366; C09B41/00; C09B41/001; C09B69/00; C09B69/02; C09B69/04; C09B69/045
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