Global Patent Index - EP 0384503 A1

EP 0384503 A1 19900829 - Metallo-porphyrins for use as bleach catalyst.

Title (en)

Metallo-porphyrins for use as bleach catalyst.

Title (de)

Metallporphyrine zur Verwendung als Bleichkatalysatoren.

Title (fr)

Métalloporphyrines pour l'utilisation comme catalyseur de blanchiment.

Publication

EP 0384503 A1 19900829 (EN)

Application

EP 90200228 A 19900131

Priority

  • GB 8904062 A 19890222
  • GB 8905993 A 19890315

Abstract (en)

Metallo-porphyrins having improved stability against oxidation for use as peracid bleach catalyst in the bleaching of fabrics are disclosed. The metallo-porphyrins are Mn(III)- or Fe(III)-porphyrins having Ar-substituents on the meso-positions selected from <CHEM> wherein n and m may be 0 or 1; A may be sulphate, sulphonate, phosphate or carboxylate groups; B is C1-C10 alkyl, polyethoxyalkyl or hydroxyalkyl, and X1 and X2 are Cl, Br, CH3, C2H5 or CH3O.

IPC 1-7

C09B 47/32; C11D 3/395; D06L 3/04

IPC 8 full level

B01J 31/22 (2006.01); C09B 47/00 (2006.01); C11D 3/39 (2006.01); D06L 3/02 (2006.01); D06L 3/06 (2006.01)

CPC (source: EP)

C11D 3/3932 (2013.01); C11D 3/3947 (2013.01)

Citation (search report)

Designated contracting state (EPC)

CH DE ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0384503 A1 19900829; EP 0384503 B1 19950628; AU 4992790 A 19900830; AU 612538 B2 19910711; BR 9000786 A 19910122; CA 2010271 A1 19900822; DE 69020380 D1 19950803; DE 69020380 T2 19951207; ES 2075132 T3 19951001; JP H02261547 A 19901024; NO 900787 D0 19900219; NO 900787 L 19900823

DOCDB simple family (application)

EP 90200228 A 19900131; AU 4992790 A 19900220; BR 9000786 A 19900220; CA 2010271 A 19900216; DE 69020380 T 19900131; ES 90200228 T 19900131; JP 3956590 A 19900220; NO 900787 A 19900219