| abstract |
The present invention relates to a color photothermographic element comprising a compound of formula 1 and an imaging layer associated therewith:n n n n n n n n n n In this formula,n n n DEV, LINK, TIME, n, T, t, C *, R 12, the same as D, p, X, q, W , and w is defined from the following detailed description of invention.n n n Such a compound has excellent reactivity as a developing agent when it is thermally activated under predetermined conditions. The present invention also relates to a method of developing a color photo thermographic element comprising a dry developing system. |