Patent JPS6213461A successfully refreshed from Google Patents.
JPS6213461A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Disazo dye
Assignee: Mitsubishi Chemical Corp
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Filing: 1985-07-11
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Granted: —
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Expires: 2005-07-11
Abstract
Abstract NEW MATERIAL:Compounds of formula I, wherein X is H, halogen, alkyl, alkoxy, NO2, CN2, CF3, SO2R<1>, COR<1>, COOR<1>; R<1> is H, a 1-8C alkyl (substd. by a 1-8C alkoxy, CN2, Cl, acyloxy or phenyl), alkenyl, aryl, tetrarydrofurfuryl; Y is H, Cl, CH3, lower alkoxy, acylamino; Z is H, CH3, lower alkoxy-(alkoxy), Cl, Br; R<2> is a 5-12C alkyl, aralkyl, phenoxyalkyl; n is 1-3. EXAMPLE:Compd. of formula II. USE:Disazo dyes which dye synthetic fibers, particularly polyester fibers orange to blue. PREPARATION:An amine of formula III is diazotized and then coupled with a compd. of formula IV.
Inventors
- 👤 Kiyoshi Himeno
- 👤 清 姫野
- 👤 Junji Yoshihara
- 👤 潤二 吉原
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 08:46
CPC Classifications
—
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