AROMATIC CARBOXYLIC ACID COMPOUND - 株式会社リコー

Title:

AROMATIC CARBOXYLIC ACID COMPOUND

Document Type and Number:

Japanese Patent JP3887506

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To obtain the subject new compound having an electron atractive group, excellent preservability of an image part, especially oil resistance, and further giving heat resistance to a substrate part and is useful as a color developer of a heat-sensitive recording material.
SOLUTION: This compound is expressed by formula I (X is one of a three- functional group derived from carbonyl, sulfonyl and an aliphatic hydrocarbon, a three-functional group derived from an aliphatic hydrocarbon containing more than one hetero atom, carbonyl, sulfonyl, ester bonding and an aromatic ring in a main chain or three-functional group derived from three aromatic hydrocarbons bonded with an aliphatic hydrocarbon containing more than one hetero atom, carbonyl, sulfonyl or the like), e.g. a compound of formula II. The compound of formula I is obtained by subjecting a trimellitic acid anhydride of formula III with an alcoholic compound of formula IV to an esterification reaction.

Inventors:

Mitsuru Morita Exhibition
Kunio Hayakawa
Ikuo Kameoka
Yang Konan

Application Number:

JP10977599A

Publication Date:

February 28, 2007

Filing Date:

April 16, 1999

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