EP0014677A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Basic monoazo dyes of the bis-benzothiazole-azobenzene series, process for their preparation and their use in dyeing and printing textiles, paper, leather and in preparing inks
Assignee: Novartis AG
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Filing: 1980-01-28
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Granted: —
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Expires: 2000-01-28
Abstract
Abstract 1. An azo compound of the formula I see diagramm : EP0014677,P12,F1 wherein X is one or more of the radicals (CH2 . NR . CO(CH2 )n A) and/or (SO2 NH(CH2 )n A), R is hydrogen or an alkyl group of 1 to 4 carbon atoms, A is a non-quaternised or quaternised basic radical, n is 1 to 4, m is 1 to 4, M is hydrogen or a cation, p is 0 to 2, with the proviso that the value of m is as great or greater than p, and wherein the benzene nuclei B and D may additionally contain one or more identical or different substituents.
Inventors
- 👤 Jean-Marie Dr. Adam
- 👤 Visvanathan Dr. Ramanathan
- 👤 Pierre Dr. Galafassi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 09:47
CPC Classifications
C; C09; C09B; C09B44/00; C09B44/02; C09B62/00; C09B62/44; C09B62/443; C09B62/447; C09B62/45; D; D21; D21H; D21H21/00; D21H21/14; D21H21/28
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