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Current content: 157 117 910 patent documents

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139 301 new documents added

1 340 825 documents amended

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EP 0242335 B1 19910508 - MIXTURES OF OPTICAL BRIGHTENERS

Title (en)

MIXTURES OF OPTICAL BRIGHTENERS

Publication

EP 0242335 B1 19910508 (DE)

Application

EP 87810231 A 19870410

Priority

CH 156686 A 19860418

Abstract (en)

[origin: US4889655A] Mixtures of fuorescent whitening agents comprising 5 to 45 parts by weight of 4,4'-bis(cyanovinyl)stilbene and 95 to 55 parts by weight of a compound of formula <IMAGE> or <IMAGE> and the use of said mixtures and compositions containing them for whitening polyester fibres and textile material containing polyester fibres.

IPC 1-7

D06L 3/12

IPC 8 full level

C11D 3/42 (2006.01); C09B 67/42 (2006.01); D06L 3/12 (2006.01); D06L 4/65 (2017.01)

CPC (source: EP US)

D06L 4/65 (2016.12 - EP US)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0242335 A1 19871021; EP 0242335 B1 19910508; BR 8701856 A 19880126; DE 3769831 D1 19910613; JP S62252469 A 19871104; US 4889655 A 19891226

DOCDB simple family (application)

EP 87810231 A 19870410; BR 8701856 A 19870415; DE 3769831 T 19870410; JP 9344087 A 19870417; US 28010788 A 19881205