Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-01-09
1976-12-07
Milestone, Norma S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260335, C07D49310
Patent
active
039962121
ABSTRACT:
A pressure-sensitive copying paper comprising an adsorbent solid acid and a microencapsulated color former capable of forming a distinct color when reacted with the adsorbent acid coated on the same or a different surface of a support or supports, the microencapsulated color former being at least one fluoran compound represented by the formula; ##STR1## WHEREIN R.sub.1, R.sub.2, Z, m and ##STR2## are as defined hereinafter, is disclosed.
REFERENCES:
patent: 3654314 (1972-04-01), Farber et al.
patent: 3691203 (1972-09-01), Koga et al.
patent: 3694461 (1972-09-01), Farber et al.
patent: 3787325 (1974-01-01), Hoover
patent: 3825561 (1974-07-01), Akamatsu et al.
patent: 3947471 (1976-03-01), Akamatsu et al.
Kiritani Masatake
Miyazawa Yoshihide
Motohashi Katsuichi
Ozutsumi Minoru
Watanabe Akio
Fuji Photo Film Co. , Ltd.
Hodogaya Chemical Co. Ltd.
Milestone Norma S.
LandOfFree
Fluoran compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluoran compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluoran compounds will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-378877