Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent
1998-05-22
2000-01-18
Hess, Bruce H.
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Having nonchromogenic liquid spread-control or...
503200, 503208, 503216, 503225, 503226, B41M 530
Patent
active
060157712
ABSTRACT:
The present invention discloses a novel thermally-responsive record material having coated thereon a thermally sensitive color forming composition comprising a chromogenic material, an acidic developer material and a carbamate of the formula ##STR1## wherein R is selected from alkyl, aryl or aralkyl. The alkyl moiety in each of the preceding is selected to be of from one to eight carbons. The novel record material displays enhanced image intensity or improved thermal response.
REFERENCES:
patent: 4095034 (1978-06-01), Mangold et al.
patent: 4258201 (1981-03-01), Moy
patent: 4260781 (1981-04-01), Harvey
patent: 4301087 (1981-11-01), Greene
patent: 4443621 (1984-04-01), LaMattina et al.
patent: 5312796 (1994-05-01), Nishimura et al.
Mechanisms of Color Formation on Thermo-Sensitive Paper by Akira Igarashi and Teppei Ikeda, Scientific Publications of the Fuji Photo Film, Ltd. No. 29,97.
DeBraal John Charles
Fisher Mark Robert
Steffan Guido
Wenzl Peter P.
Bayer Aktiengesellschaft
Gil Joseph C.
Hess Bruce H.
Van Eyl Diderico
LandOfFree
Thermally-responsive record material does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thermally-responsive record material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermally-responsive record material will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-563186