CH508701A
Expired / Lapsed
CH
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Orange disazo dyes for synthetic polyesters
Assignee: Basf Ag
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Filing: 1970-04-17
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Granted: —
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Expires: 1990-04-17
Abstract
Abstract Orange diazo dyes for dyeing synthetic polyesters, e.g. polyethylene terephthalate, fast shades, esp. to heat-fixing and light, have the formula (I): (where R is 1-8 C alkyl, 3-7 C alkoxyalkyl or 2-6 C hydroxyalkyl). They are prepared by coupling diazotised p-aminoazo benzene with a cpd. of formula (II).
Inventors
- 👤 Gerhard Dr Gnad
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 21:39
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/12; C09B31/14; C09B31/153; C09B29/00; C09B29/34; C09B29/36; C09B29/3604; C09B29/3617; C09B29/3621; C09B29/3626; C09B29/363
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