Process for producing 3,5-di(.alpha.-methylbenzyl)salicylic...

Details Process for producing 3,5-di(.alpha.-methylbenzyl)salicylic... Process for producing 3,5-di(.alpha.-methylbenzyl)salicylic...

C - Chemistry, Metallurgy

07

C

C07C 65/105 (2006.01) B41M 5/155 (2006.01) B41M 5/333 (2006.01) C07C 51/347 (2006.01) C07C 69/94 (2006.01)

Patent

CA 2048442

A color-developing sheet using, as a color developer, polyvalent-metal-modified products of salicylic acid compounds composed mainly of a 3,5-di(.alpha.- methylbenzyl)salicylic acid derivative obtained by reacting a salicylic acid ester with an a-methylbenzyl halide in the presence of an acid catalyst and hydrolyzing the reaction product. The color-developing sheet has excellent colour developability at low temperatures and gives a color of excellent water resistance.

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