Global Patent Index - EP 0402981 A2

EP 0402981 A2 19901219 - Heavy duty washing process.

Title (en)

Heavy duty washing process.

Title (de)

Verfahren zum Waschen mit einem Vollwaschmittel.

Title (fr)

Procédé pour le lavage avec une composition détergente universelle.

Publication

EP 0402981 A2 19901219 (EN)

Application

EP 90201428 A 19900605

Priority

GB 8913881 A 19890616

Abstract (en)

A heavy duty process for laundering greasy stains from a fabric which comprises treating the fabric with an aqueous detergent composition comprising (a) 0.5 - 5 % by weight of a nonionic surfactant and (b) 1 - 10 % by weight of an apolar solvent in a ratio from less than 1 : 1 to 1 : 10. Preferably, the hot wash liquor is treated in a filtering step using microfilters to separate the organic solvent phase from the aqueous phase, which is then recycled.

IPC 1-7

B01D 61/14; C11D 1/72; C11D 3/18; C11D 3/43

IPC 8 full level

C11D 1/72 (2006.01); C11D 3/18 (2006.01); C11D 3/43 (2006.01); D06F 43/08 (2006.01)

CPC (source: EP)

C11D 1/72 (2013.01); C11D 3/18 (2013.01); C11D 3/43 (2013.01); D06F 43/085 (2013.01)

Designated contracting state (EPC)

BE CH DE DK ES FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0402981 A2 19901219; EP 0402981 A3 19911023; AU 5709390 A 19901220; AU 627890 B2 19920903; CA 2018738 A1 19901216; FI 903011 A0 19900615; GB 8913881 D0 19890802; NZ 234033 A 19920925; ZA 904668 B 19920226

DOCDB simple family (application)

EP 90201428 A 19900605; AU 5709390 A 19900614; CA 2018738 A 19900611; FI 903011 A 19900615; GB 8913881 A 19890616; NZ 23403390 A 19900612; ZA 904668 A 19900615