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1 828 765 documents amended

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EP 0074590 A3 19840516 - PREPARATIONS OF OPTICAL BRIGHTENERS

Title (en)

PREPARATIONS OF OPTICAL BRIGHTENERS

Publication

EP 0074590 A3 19840516 (DE)

Application

EP 82108168 A 19820904

Priority

DE 3136809 A 19810916

Abstract (en)

[origin: EP0074590A2] 1. Brightener formulations, characterised in that they consist of a cationic optical brightener, an anionic surfactant and, optionally, other customary additives, with the exception of those formulations which are obtained by melt formulation.

IPC 1-7

D06L 3/12

IPC 8 full level

C11D 3/42 (2006.01); D06L 3/12 (2006.01); D06L 4/664 (2017.01)

CPC (source: EP)

D06L 4/664 (2016.12)

Citation (search report)

[A] DE 2257945 A1 19740530 - BASF AG
[A] FR 2243994 A1 19750411 - CIBA GEIGY AG [CH]
[A] DE 1921277 A1 19700409 - DU PONT

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0074590 A2 19830323; EP 0074590 A3 19840516; EP 0074590 B1 19870527; DE 3136809 A1 19830331; DE 3276440 D1 19870702; JP S5861196 A 19830412

DOCDB simple family (application)

EP 82108168 A 19820904; DE 3136809 A 19810916; DE 3276440 T 19820904; JP 15824682 A 19820913