Patent ID: 8530377

Claim:
A thermoreversible recording medium comprising: a support, a thermoreversible recording layer which comprises a thermoreversible composition containing an electron-donating color-forming compound and an electron-accepting compound, a metal compound-containing layer which comprises a resin, an organic metal compound, and an inorganic layer compound, in which the resin is at least one selected from the group consisting of polyvinyl alcohol polymers, and ethylene-vinyl alcohol copolymers, and the organic metal compound is at least one selected from the group consisting of an organic titanium compound and an organic zirconium compound, and a protective layer which protects the metal compound containing layer, wherein the support, the thermoreversible recording layer, the metal compound-containing layer and the protective layer are laminated in this order, the inorganic layer compound is dispersed in the metal compound-containing layer in a plate shape having a length of from 5 nm to 5,000 nm, and having a thickness of about 1/10 to about 1/10,000 the length thereof, and the organic titanium compound is a titanium chelate compound or titanium acylate compound and the organic zirconium compound is a zirconium chelate compound or zirconium acylate compound.