Global Patent Index - EP 1032637 A1

EP 1032637 A1 2000-09-06 - WASHING METHOD AND PREPARATION FOR CARRYING OUT THE SAME

Title (en)

WASHING METHOD AND PREPARATION FOR CARRYING OUT THE SAME

Title (de)

WASCHVERFAHREN UND ZUBEREITUNG ZU SEINER DURCHFÜHRUNG

Title (fr)

PROCEDE DE LAVAGE ET PREPARATION POUR SON EXECUTION

Publication

EP 1032637 A1 (DE)

Application

EP 98962337 A

Priority

  • DE 19751860 A
  • EP 9807270 W

Abstract (en)

[origin: WO9927059A1] According to the inventive method for washing textiles, optical brighteners are added to the detergent solution separately from the main quantity of active washing substances. The brighteners are added in the form of an aqueous liquid preparation, said preparation containing at least one brightener from the class of dibenzofuranylbiphenyls and at least one brightener from the class of distyrylbiphenyls. The invention also relates to aqueous liquid brightener preparations which are suitable for the washing method.

IPC 1-7 (main, further and additional classification)

C11D 3/42; D06L 3/12

IPC 8 full level (invention and additional information)

C11D 3/42 (2006.01); C11D 11/00 (2006.01); D06L 3/12 (2006.01)

CPC (invention and additional information)

C11D 3/42 (2013.01); C11D 11/0017 (2013.01); D06L 4/621 (2017.01); D06L 4/636 (2017.01); D06L 4/65 (2017.01); D06L 4/657 (2017.01)

Citation (search report)

See references of WO 9927059A1

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI NL

EPO simple patent family

WO 9927059 A1 19990603; AT 225845 T 20021015; DE 19751860 C1 19990819; EP 1032637 A1 20000906; EP 1032637 B1 20021009; ES 2185240 T3 20030416

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