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Title:
YELLOW ANIONIC DISAZO DYE
Document Type and Number:
Japanese Patent JP2011140654
Kind Code:
A
Abstract:

To provide new yellow anionic dyes, a process for their preparation, certain new intermediates necessary for their preparation and the dyes for dyeing natural or synthetic materials, in particular, paper.

There are provided certain bisazo dyes of formula 1 based on diaminobenzanilide. In the formula, R1 represents H, 1-4C alkyl, 1-4C alkoxy or SO3H; R2 represents SO3H or CO2H; R3 represents H, 1-4C alkyl, a halogen, hydroxy, 1-4C alkoxy, carboxy, NH2 or NH (1-4C alkyl); R3a represents H or NH2; and A1 and A2 represent a certain pyrazolone or certain phenol-based derivative.


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Inventors:
LENNARTZ MICHAEL
KAESER ADOLF
WEISS SANDRA
Application Number:
JP2011040459A
Publication Date:
July 21, 2011
Filing Date:
February 25, 2011
Export Citation:
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Assignee:
CIBA HOLDING INC
International Classes:
C07D239/46; C09B35/32; C07C303/22; C07C309/29; C07C309/51; C07D213/69; C07D213/77; C07D213/78; C07D213/79; C07D213/82; C07D213/84; C07D231/22; C07D231/38; C07D231/46; C07D239/50; C07D239/54; C07D239/60; C07D239/62; C07D401/12; C07D403/12; C09B35/023; C09B35/03; C09B35/033; C09B35/037; C09B35/28; C09B35/30; D21H21/28
Domestic Patent References:
JPS5111817A1976-01-30
JPS5115083A1976-02-06
JPH06240165A1994-08-30
JPH01234470A1989-09-19
JPH08209047A1996-08-13
JPH1171533A1999-03-16
JPS5361626A1978-06-02
JPS5046735A1975-04-25
JPS507818A1975-01-27
JPS63170479A1988-07-14
JPS5611941B11981-03-18
Foreign References:
DE845084C1952-07-28
US2228321A1941-01-14
US5905043A1999-05-18
US2545872A1951-03-20
US2544087A1951-03-06
CH265720A1949-12-15
DE818669C1951-10-25
Other References:
JPN6010004434; Ｃｚａｊｋｏｗｓｋｉ，　Ｗｏｊｃｉｅｃｈ: 'Ｓｙｎｔｈｅｓｉｓ　ａｎｄ　ｓｔｕｄｙ　ｏｆ　ｐｒｏｐｅｒｔｉｅｓ　ｏｆ　ｎｅｗ　ｄｉｓａｚｏ　ｌａｋｅｓ' Ｐｒｚｅｍｙｓｌ　Ｃｈｅｍｉｃｚｎｙ Ｖｏｌ．７６，　Ｎｏ．６, 1997, ｐ．２６９-２７０
JPN6010050859; 英国特許第１９１３-２８５６９号明細書 , 19150211
Attorney, Agent or Firm:
Hajime Tsukuni
Fusayuki Saito



 
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