Patent ID: 6150077
Filing Date: 2000-11-21
Classification: G03C,Y10S

Abstract:
A photographic element comprising a support and at least one photographic emulsion layer, and a compound having the structure:R.sup.1 --NH--C(R.sup.2)(R.sup.3)--(TIME).sub.n -whereinR.sup.1 is an electron withdrawing moiety;TIME is a timing or linking group;n is 0, 1, 2 or 3;is a photographically active moiety wherein the photographically active moiety is a releasable development inhibitor, developing agent, development accelerator, bleach inhibitor, bleach accelerator, dye, dye precursor, stabilizer, nulceator, fixing agent, image toner, hardener, antifoggant, or ultraviolet radiation absorber; andR.sup.2 and R.sup.3 are independently hydrogen, substituted or unsubstituted alkyl, aryl, heteroaryl, alkenyl, or alkynyl groups, can be combined with R.sup.1 to form a ring, or can combine together to form a ring, with the proviso R.sup.2 and R.sup.3 cannot together form a double bond with another atom and neither R.sup.2 nor R.sup.3 can be selected from RO--, RS--, R.sub.2 N--, or RSe-- where R represents any substituent.