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EP 0418049 A2 19910320 - Cake of soap.

Title (en)

Cake of soap.

Title (de)

Seifenstück.

Title (fr)

Pain de savon.

Publication

EP 0418049 A2 19910320 (EN)

Application

EP 90309971 A 19900912

Priority

GB 8920579 A 19890912

Abstract (en)

A cake of soap (1) has display means (2) adhered to or embedded therein. The display means (2) includes at least one deposit of temperature responsive liquid crystal material which undergoes a reversible visible colour change when passing through a predetermined temperature of from 25 DEG C to 45 DEG C. The display means is intended to change its display when moving between water at a temperature above, and ambient air at a temperature below, said predetermined temperature.

IPC 1-7

C11D 9/00; C11D 17/04; G01K 9/00

IPC 8 full level

C11D 17/04 (2006.01)

CPC (source: EP)

C11D 17/04 (2013.01); C11D 17/048 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0418049 A2 19910320; EP 0418049 A3 19910911; GB 2235931 A 19910320; GB 2235931 B 19920923; GB 8920579 D0 19891025

DOCDB simple family (application)

EP 90309971 A 19900912; GB 8920579 A 19890912