Title:
【発明の名称】蛍光増白剤の混合物
Document Type and Number:
Japanese Patent JP2572097
Kind Code:
B2
Abstract:
Mixtures of fluorescent whitening agents consisting of 51 to 98.5% by weight of 1-(4-cyanostyryl)-4-(3'-styryl)benzene, 48.5 to 1% by weight of 1-(4-cyanostyryl)-4-(2'-cyanostyryl)benzene and 0.5 to 5% by weight of 1,4-bis(cyanostyryl)benzene, a process for the preparation of said mixtures by condensing terephthalaldehyde with a 4-dialkylphosphonomethylbenzonitrile to 4-cyano-4'-formylstilbene, which is further condensed, either direct or after isolation, with a 3- and 2-dialkylphosphonomethylbenzonitrile, the use of these mixtures for whitening polyester fibers, and compositions containing said mixtures for whitening polyester fibers.
Inventors:
REONARUDO GUUGURIIRUMETSUTEI
HANSU RUDORUFU MEIYAA
DEIITAA RAINEERU
KAATO UEEBAA
HANSU RUDORUFU MEIYAA
DEIITAA RAINEERU
KAATO UEEBAA
Application Number:
JP1747188A
Publication Date:
January 16, 1997
Filing Date:
January 29, 1988
Export Citation:
Assignee:
CIBA GEIGY
International Classes:
C09B67/22; D06L3/12; D06L4/65; (IPC1-7): C09B67/22
Domestic Patent References:
| JP5692962A | ||||
| JP5618655A | ||||
| JP5618654A |
Attorney, Agent or Firm:
Masao Okabe (2 outside)