B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/3
B41M 5/337 (2006.01)
Patent
CA 1263919
Abstract of the Disclosure A thermosensitive recording sheet having a coated film containing a color-forming lactone compound, an acidic substance and a sensitizer. The sensitizer is at least one aliphatic carboxylic acid ester represented by the formula Image ... (I) Image ... (II) or R6-COOR1 ... (III) wherein R1 and R2 are identical or different and each represents an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group, an aryl group, a group of the formula -CnH2n-Ar in which n is an integer of 1 to 8 and Ar is an aryl group, or a group of the formula -CnH2n-CO-Ar in which n and Ar are as defined; R3 represents a group of the formula -Cn-H2n- in which n is as defined R4 and R5 are identical or different and each represents an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group, a group of the formula -CnH2n-Ar in which n and Ar are as defined, or a group of the formula -CnH2n-CO-Ar in which n and Ar are as defined; and R6 represents an alkyl group having 2 to 6 carbon atoms and substituted by a halogen atom selected from chlorine, bromine and iodine atoms; with the proviso that the alkyl group having 1 to 20 carbon atoms for R1, R2, R4 and R5 may be substituted by a halogen atom, and the cycloalkyl group, the aryl group and Ar and -CnH2n-Ar and -CnH2n-CO-Ar may be substi- tuted by an alkyl, cycloalkyl, aryl, aralkyl, phenacyl, alkyloxy, aryloxy, aralkyloxy, arylcarbonyl, arylsulfonyl, nitro or ammoniumsulfonic acid group or a halogen atom.
536901
Araki Shingo
Inagaki Masaji
Kitao Teijiro
Maeda Ryugo
Ueno Shigeki
Dainippon Ink And Chemicals Inc.
Smart & Biggar
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