EP 0023026 B1 19840222 - MIXTURES OF OPTICAL BRIGHTENERS AND THEIR USE
Title (en)
MIXTURES OF OPTICAL BRIGHTENERS AND THEIR USE
Publication
Application
Priority
DE 2929591 A 19790721
Abstract (en)
[origin: ES8105054A1] Mixtures of optical brighteners consisting of 5 to 95% by weight of a compound of the formula < IMAGE > in which A denotes a o- or p-cyanophenyl group, and 95 to 5% by weight of one or more further optical brighteners.
IPC 1-7
IPC 8 full level
C09B 67/22 (2006.01); C09B 57/00 (2006.01); D06L 3/12 (2006.01); D06L 4/65 (2017.01); D06P 1/00 (2006.01); D06P 3/52 (2006.01)
CPC (source: EP US)
D06L 4/65 (2016.12 - EP US)
Citation (examination)
- FR 1415977 A 19651029 - BASF AG
- THE CHEMISTRY OF SYNTHETIC DYER BAND V, KAP. VIII (K. VENKATAVAMAN)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0023026 A1 19810128; EP 0023026 B1 19840222; AT E6375 T1 19840315; AU 533250 B2 19831110; AU 6063880 A 19810122; BR 8004499 A 19810127; CA 1153160 A 19830906; DE 2929591 A1 19810205; DE 3066691 D1 19840329; ES 493375 A0 19810516; ES 8105054 A1 19810516; JP H0116868 B2 19890328; JP S5618656 A 19810221; PH 16626 A 19831205; US 4336155 A 19820622; ZA 804367 B 19810729
DOCDB simple family (application)
EP 80104161 A 19800716; AT 80104161 T 19800716; AU 6063880 A 19800718; BR 8004499 A 19800718; CA 356457 A 19800718; DE 2929591 A 19790721; DE 3066691 T 19800716; ES 493375 A 19800715; JP 9769480 A 19800718; PH 24316 A 19800721; US 16987380 A 19800716; ZA 804367 A 19800718