Mixtures of optical brighteners

Details Mixtures of optical brighteners Mixtures of optical brighteners

1998-07-23

2000-09-19

Green, Anthony J.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

252 891, 25230122, 25230123, 25230124, 25230125, 25230127, 25230128, 25230129, 25230131, 25230132, 8648, 8922, 8924, D06L 312, C09K 1106

Patent

active

061207047

ABSTRACT:
The invention relates to mixtures of optical brighteners comprising nonionic polyester brighteners and anionic or nonionic polyamide brighteners, which develop a synergistic effect. The brighteners of the invention are suitable for polyamide and polyurethane fabrics but also for blends of these fabrics with other natural or synthetic fibers.

REFERENCES:
patent: 3985687 (1976-10-01), Inamorato et al.
patent: 4092253 (1978-05-01), Cuntze et al.
patent: 4400294 (1983-08-01), Martini et al.
patent: 4416795 (1983-11-01), Martini et al.
patent: 4759876 (1988-07-01), Crossin
patent: 5051111 (1991-09-01), Anceschi et al.
Mettland Textilberberichte (65) May 1984, pp. 327-329.
Winnacker/Kuchler, Chem. Technologie (6), pp. 690-698 (No Date).
European Search Report (Dec. 1998).
Derwent Patent Family Report and/or Abstracts (Dec. 1998).
XP002085418 & JP 58025361 A (Nippon Kayaku KK) Feb. 15, 1983.
XP002085419 & JP 50025877 A (Nippon Kayaku KK) Mar. 18, 1975.

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