Title:
PICTURE FORMING METHOD CONTROLLED BY REVERSIBLE REDOX REACTION
Document Type and Number:
Japanese Patent JP2510376
Kind Code:
B2
Abstract:
PURPOSE: To obtain a novel N-substituted triarylmethanesulfonamide pigment useful in a photographic picture forming system and a picture recording material contg. the pigment by allowing the layers respectively to have specified pigment providing compd. and developing substance.
CONSTITUTION: A substrate having a picture pigment providing compd. selected from the compds. shown by formular I and a developing substance capable of being colored by oxidizing the Y part or the one capable of being made colorless by reducing the Y' part is incorporated in the same or discrete layer to constitute a picture recording material. In formula I, B is one or plural carbon cyclic rings, T is a five or six-membered ring, Y is a group shown by formula II (where E is a group at a position ortho or para to -OHr E' is a specified univalent group, and G and G' are a hydroxy or methoxy group), Z and Z' are the part completing the chromophore system of a triarylmethane pigment, and Y' is the quinoide form of Y.
Inventors:
MAIRON ESU SHIMON
MAASHISU KEI KAMUPE
DEBITSUDO PII UOORAA
MAASHISU KEI KAMUPE
DEBITSUDO PII UOORAA
Application Number:
JP13920792A
Publication Date:
June 26, 1996
Filing Date:
May 29, 1992
Export Citation:
Assignee:
POLAROID CORP
International Classes:
B41M5/26; B41M5/136; B41M5/323; B41M5/337; C07D513/10; C09B11/28; G01N33/52; G03C1/498; G03C8/10; G03C8/14; G03C8/16; G03C8/18; G03C8/22; (IPC1-7): G03C8/10; B41M5/26; C09B11/28; G03C1/498
Domestic Patent References:
| JP62503084A |
Attorney, Agent or Firm:
Akira Asamura (3 outside)