(19)
(11) EP 0 359 492 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.09.1990 Bulletin 1990/36

(43) Date of publication A2:
21.03.1990 Bulletin 1990/12

(21) Application number: 89309174.4

(22) Date of filing: 11.09.1989
(51) International Patent Classification (IPC)5: C11D 3/37
(84) Designated Contracting States:
CH DE ES FR GB IT LI NL SE

(30) Priority: 12.09.1988 GB 8821280

(71) Applicants:
  • UNILEVER PLC
    London EC4P 4BQ (GB)

    GB 
  • UNILEVER N.V.
    3013 AL Rotterdam (NL)

    CH DE ES FR IT LI NL SE 

(72) Inventors:
  • Garvey, Michael Joseph
    Wirral Merseyside L60 1XU (GB)
  • Griffiths, Ian Charles
    Wirral Merseyside L63 3HS (GB)

(74) Representative: Joppe, Hermina L. P. et al
Unilever N.V. Patent Division P.O. Box 137
3130 AC Vlaardingen
3130 AC Vlaardingen (NL)


(56) References cited: : 
   
       


    (54) Thickened liquids


    (57) A non-aqueous liquid comprising a polyalkoxylated material, such as a nonionic surfactant, is thickened with a dissolved polyvinylpyrrolidone or a derivative thereof, having a viscosity average molecular weight greater than 30,000, such as 360,000.





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