Global Patent Index - EP 0035694 B1

EP 0035694 B1 19830831 - MIXTURES OF OPTICAL BRIGHTENERS

Title (en)

MIXTURES OF OPTICAL BRIGHTENERS

Publication

EP 0035694 B1 19830831 (DE)

Application

EP 81101345 A 19810225

Priority

DE 3008812 A 19800307

Abstract (en)

[origin: US4400294A] Mixtures of optical brighteners consisting of (a) 1 to 99 weight % of one or several compounds of the formula 1 <IMAGE> (1) (b) 99 to 1 weight % of one or several compounds of the formula 2 <IMAGE> (2) wherein n is 0 or 1, X is oxygen or sulfur, B is a group of the formulae <IMAGE> +TR <IMAGE> and the other substituents are defined a specified in the description.

IPC 1-7

D06L 3/12

IPC 8 full level

C09B 57/00 (2006.01); C09B 67/22 (2006.01); D06L 3/12 (2006.01); D06L 4/65 (2017.01)

CPC (source: EP US)

D06L 4/65 (2016.12 - EP US)

Citation (examination)

FR 2390537 A1 19781208 - HOECHST AG [DE]

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0035694 A1 19810916; EP 0035694 B1 19830831; AT E4554 T1 19830915; AU 540524 B2 19841122; AU 6814281 A 19810910; BR 8101322 A 19810908; CA 1154910 A 19831011; DE 3008812 A1 19810924; DE 3160803 D1 19831006; JP H0153303 B2 19891113; JP S56141360 A 19811105; PH 19044 A 19851211; US 4400294 A 19830823; ZA 811513 B 19820331

DOCDB simple family (application)

EP 81101345 A 19810225; AT 81101345 T 19810225; AU 6814281 A 19810306; BR 8101322 A 19810306; CA 372440 A 19810306; DE 3008812 A 19800307; DE 3160803 T 19810225; JP 3140181 A 19810306; PH 25321 A 19810305; US 43994682 A 19821108; ZA 811513 A 19810306