EP 0173232 A3 19861029 - HEAT-SENSITIVE REGISTRATION FOIL
Title (en)
HEAT-SENSITIVE REGISTRATION FOIL
Publication
Application
Priority
JP 17537484 A 19840823
Abstract (en)
[origin: US4644375A] Heat-sensitive recording sheet comprising in a heat-sensitive color forming layer a colorless basic dyestuff and 4-isopropoxy-4'-hydroxydiphenyl sulfone as organic developer, wherein said color forming layer contains as sensitizer one of the compounds represented by the following formula (II) or (III): <IMAGE> (II) <IMAGE> (III) where, in the general formula (II) and (III), A represents a hydrogen atom, halogen atom, nitro group, lower alkyl group, lower alkoxy group or hydroxy group, l represents an integer from 1 to 5 and m represents an integer from 0 to 3. The sheet provides high density images and excellent stability of images.
IPC 1-7
IPC 8 full level
B41M 5/333 (2006.01); B41M 5/337 (2006.01)
CPC (source: EP US)
B41M 5/3336 (2013.01 - EP US); B41M 5/3375 (2013.01 - EP US)
Citation (search report)
- [A] DE 3236465 A1 19830421 - FUJI PHOTO FILM CO LTD [JP]
- [A] GB 2112156 A 19830713 - FUJI PHOTO FILM CO LTD
- [AP] DE 3415331 A1 19841031 - SHIN NISSO KAKO CO LTD [JP]
Designated contracting state (EPC)
BE DE FR GB IT SE
DOCDB simple family (publication)
US 4644375 A 19870217; DE 3574117 D1 19891214; EP 0173232 A2 19860305; EP 0173232 A3 19861029; EP 0173232 B1 19891108; JP H04477 B2 19920107; JP S6153084 A 19860315
DOCDB simple family (application)
US 76304585 A 19850806; DE 3574117 T 19850820; EP 85110455 A 19850820; JP 17537484 A 19840823