Mixtures of fluorescent whitening agents

Details Mixtures of fluorescent whitening agents Mixtures of fluorescent whitening agents

1988-01-25

1989-09-19

Niebling, John F.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

25230121, C09K 1106

Patent

active

048679062

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.

REFERENCES:
patent: 3177153 (1965-04-01), Pommer et al.
patent: 3294570 (1966-12-01), Pommer et al.
patent: 4330427 (1982-05-01), Martini et al.
patent: 4336155 (1982-06-01), Martini et al.
patent: 4380514 (1983-04-01), Seybold
patent: 4464284 (1984-08-01), Seybold
Review: Ciba-Geigy, 1973(1), pp. 10-25.

Affiliated with

Also associated with

Rating

Mixtures of fluorescent whitening agents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mixtures of fluorescent whitening agents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mixtures of fluorescent whitening agents will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-367238