EP 0074590 A3 19840516 - PREPARATIONS OF OPTICAL BRIGHTENERS
Title (en)
PREPARATIONS OF OPTICAL BRIGHTENERS
Publication
Application
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
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