IE47516B1 - Record material - Google Patents

Record material

Info

Publication number: IE47516B1
Authority: IE; Ireland
Prior art keywords: colour; record material; material according; forming system; thermally responsive
Prior art date: 1977-12-15

Application number

IE212/83A

Other languages

English (en)

Original Assignee

Appleton Paper Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-12-15

Filing date

1978-11-23

Publication date

1984-04-04

1977-12-15 Priority claimed from US05/861,046 external-priority patent/US4151748A/en

1978-11-23 Application filed by Appleton Paper Inc filed Critical Appleton Paper Inc

1984-04-04 Publication of IE47516B1 publication Critical patent/IE47516B1/en

Links

239000000463 material Substances 0.000 title claims abstract description 55
239000002243 precursor Substances 0.000 claims abstract description 25
WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 claims abstract description 15
238000000354 decomposition reaction Methods 0.000 claims abstract description 12
150000002596 lactones Chemical group 0.000 claims abstract description 3
239000000376 reactant Substances 0.000 claims description 33
239000006185 dispersion Substances 0.000 claims description 31
239000000203 mixture Substances 0.000 claims description 28
239000010410 layer Substances 0.000 claims description 27
239000011230 binding agent Substances 0.000 claims description 13
238000002844 melting Methods 0.000 claims description 13
230000008018 melting Effects 0.000 claims description 13
239000011248 coating agent Substances 0.000 claims description 10
238000000576 coating method Methods 0.000 claims description 10
239000002356 single layer Substances 0.000 claims description 10
239000004372 Polyvinyl alcohol Substances 0.000 claims description 8
FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 claims description 8
229920002451 polyvinyl alcohol Polymers 0.000 claims description 8
229910052739 hydrogen Inorganic materials 0.000 claims description 6
239000001257 hydrogen Substances 0.000 claims description 6
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
150000002989 phenols Chemical class 0.000 claims description 5
125000000217 alkyl group Chemical group 0.000 claims description 4
239000012736 aqueous medium Substances 0.000 claims description 4
238000006243 chemical reaction Methods 0.000 claims description 4
229910052736 halogen Inorganic materials 0.000 claims description 4
150000002367 halogens Chemical class 0.000 claims description 4
238000000034 method Methods 0.000 claims description 4
XKZQKPRCPNGNFR-UHFFFAOYSA-N 2-(3-hydroxyphenyl)phenol Chemical compound OC1=CC=CC(C=2C(=CC=CC=2)O)=C1 XKZQKPRCPNGNFR-UHFFFAOYSA-N 0.000 claims description 3
VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 claims description 3
125000003545 alkoxy group Chemical group 0.000 claims description 3
125000004926 indolenyl group Chemical group 0.000 claims description 3
238000005979 thermal decomposition reaction Methods 0.000 claims description 3
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
125000005506 phthalide group Chemical group 0.000 claims description 2
238000001035 drying Methods 0.000 claims 3
IPAJDLMMTVZVPP-UHFFFAOYSA-N Crystal violet lactone Chemical compound C1=CC(N(C)C)=CC=C1C1(C=2C=CC(=CC=2)N(C)C)C2=CC=C(N(C)C)C=C2C(=O)O1 IPAJDLMMTVZVPP-UHFFFAOYSA-N 0.000 claims 1
235000017168 chlorine Nutrition 0.000 claims 1
125000001309 chloro group Chemical class Cl* 0.000 claims 1
125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims 1
125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims 1
239000000126 substance Substances 0.000 abstract description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 1
229910000040 hydrogen fluoride Inorganic materials 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
239000003086 colorant Substances 0.000 description 9
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
-1 fluoran compound Chemical class 0.000 description 8
230000002378 acidificating effect Effects 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
239000000155 melt Substances 0.000 description 5
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
150000001768 cations Chemical class 0.000 description 4
239000000470 constituent Substances 0.000 description 4
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
239000004094 surface-active agent Substances 0.000 description 3
KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
TXFPEBPIARQUIG-UHFFFAOYSA-N 4'-hydroxyacetophenone Chemical compound CC(=O)C1=CC=C(O)C=C1 TXFPEBPIARQUIG-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
150000001450 anions Chemical class 0.000 description 2
230000000903 blocking effect Effects 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
238000003801 milling Methods 0.000 description 2
239000011707 mineral Substances 0.000 description 2
QWVGKYWNOKOFNN-UHFFFAOYSA-N o-methyl phenol Natural products CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 2
YXVFYQXJAXKLAK-UHFFFAOYSA-N p-hydroxybiphenyl Natural products C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920005989 resin Polymers 0.000 description 2
SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical compound OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 1
POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
FRPZMMHWLSIFAZ-UHFFFAOYSA-N 10-undecenoic acid Chemical compound OC(=O)CCCCCCCCC=C FRPZMMHWLSIFAZ-UHFFFAOYSA-N 0.000 description 1
NXXYKOUNUYWIHA-UHFFFAOYSA-N 2,6-di-methyl phenol Natural products CC1=CC=CC(C)=C1O NXXYKOUNUYWIHA-UHFFFAOYSA-N 0.000 description 1
QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
BOTKTAZUSYVSFF-UHFFFAOYSA-N 4-(2,4,4-trimethylpentan-2-yl)benzene-1,2-diol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(O)=C1 BOTKTAZUSYVSFF-UHFFFAOYSA-N 0.000 description 1
229940073735 4-hydroxy acetophenone Drugs 0.000 description 1
FJKROLUGYXJWQN-UHFFFAOYSA-M 4-hydroxybenzoate Chemical compound OC1=CC=C(C([O-])=O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-M 0.000 description 1
NTDQQZYCCIDJRK-UHFFFAOYSA-N 4-octylphenol Chemical compound CCCCCCCCC1=CC=C(O)C=C1 NTDQQZYCCIDJRK-UHFFFAOYSA-N 0.000 description 1
QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 1
GZSUIHUAFPHZSU-UHFFFAOYSA-N 9-ethyl-2,3-dihydro-1h-carbazol-4-one Chemical group C12=CC=CC=C2N(CC)C2=C1C(=O)CCC2 GZSUIHUAFPHZSU-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
239000005995 Aluminium silicate Substances 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
229920000298 Cellophane Polymers 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
MDNWOSOZYLHTCG-UHFFFAOYSA-N Dichlorophen Chemical compound OC1=CC=C(Cl)C=C1CC1=CC(Cl)=CC=C1O MDNWOSOZYLHTCG-UHFFFAOYSA-N 0.000 description 1
108010010803 Gelatin Proteins 0.000 description 1
MUQNGPZZQDCDFT-JNQJZLCISA-N Halcinonide Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@H]3OC(C)(C)O[C@@]3(C(=O)CCl)[C@@]1(C)C[C@@H]2O MUQNGPZZQDCDFT-JNQJZLCISA-N 0.000 description 1
229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
229920000881 Modified starch Polymers 0.000 description 1
FTXSICZIUOMWAI-UHFFFAOYSA-N OC1C=CC=CC1=C1CCCCC1 Chemical compound OC1C=CC=CC1=C1CCCCC1 FTXSICZIUOMWAI-UHFFFAOYSA-N 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
235000004443 Ricinus communis Nutrition 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
KYPYTERUKNKOLP-UHFFFAOYSA-N Tetrachlorobisphenol A Chemical compound C=1C(Cl)=C(O)C(Cl)=CC=1C(C)(C)C1=CC(Cl)=C(O)C(Cl)=C1 KYPYTERUKNKOLP-UHFFFAOYSA-N 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000004411 aluminium Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
235000012211 aluminium silicate Nutrition 0.000 description 1
HPTYUNKZVDYXLP-UHFFFAOYSA-N aluminum;trihydroxy(trihydroxysilyloxy)silane;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O[Si](O)(O)O HPTYUNKZVDYXLP-UHFFFAOYSA-N 0.000 description 1
125000003368 amide group Chemical group 0.000 description 1
229960000892 attapulgite Drugs 0.000 description 1
239000000440 bentonite Substances 0.000 description 1
229910000278 bentonite Inorganic materials 0.000 description 1
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
SIKJAQJRHWYJAI-UHFFFAOYSA-N benzopyrrole Natural products C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
230000001680 brushing effect Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
239000004927 clay Substances 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
239000008119 colloidal silica Substances 0.000 description 1
238000006482 condensation reaction Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
239000006184 cosolvent Substances 0.000 description 1
235000014113 dietary fatty acids Nutrition 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000000194 fatty acid Substances 0.000 description 1
229930195729 fatty acid Natural products 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
229920000159 gelatin Polymers 0.000 description 1
239000008273 gelatin Substances 0.000 description 1
235000019322 gelatine Nutrition 0.000 description 1
235000011852 gelatine desserts Nutrition 0.000 description 1
230000005484 gravity Effects 0.000 description 1
150000002357 guanidines Chemical class 0.000 description 1
229910052621 halloysite Inorganic materials 0.000 description 1
229940028332 halog Drugs 0.000 description 1
229940071826 hydroxyethyl cellulose Drugs 0.000 description 1
235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
238000003384 imaging method Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
230000000873 masking effect Effects 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
229920000609 methyl cellulose Polymers 0.000 description 1
239000001923 methylcellulose Substances 0.000 description 1
235000010981 methylcellulose Nutrition 0.000 description 1
238000002156 mixing Methods 0.000 description 1
235000019426 modified starch Nutrition 0.000 description 1
125000005609 naphthenate group Chemical group 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
229920003986 novolac Polymers 0.000 description 1
QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
229940049964 oleate Drugs 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
229910052625 palygorskite Inorganic materials 0.000 description 1
229920000058 polyacrylate Polymers 0.000 description 1
239000013047 polymeric layer Substances 0.000 description 1
229920001296 polysiloxane Polymers 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
235000019422 polyvinyl alcohol Nutrition 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
239000000047 product Substances 0.000 description 1
239000008107 starch Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
238000003860 storage Methods 0.000 description 1
229910052712 strontium Inorganic materials 0.000 description 1
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
239000002344 surface layer Substances 0.000 description 1
229940075466 undecylenate Drugs 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
239000001993 wax Substances 0.000 description 1
239000011701 zinc Substances 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1

Landscapes

Heat Sensitive Colour Forming Recording (AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

IE212/83A 1977-12-15 1978-11-23 Record material IE47516B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/861,046 US4151748A (en)	1977-12-15	1977-12-15	Two color thermally sensitive record material system
IE2316/78A IE47515B1 (en)	1977-12-15	1978-11-23	Record material

Publications (1)

Publication Number	Publication Date
IE47516B1 true IE47516B1 (en)	1984-04-04

Family

ID=26319251

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE212/83A IE47516B1 (en)	1977-12-15	1978-11-23	Record material

Country Status (2)

Country	Link
IE (1)	IE47516B1 (it)
IT (1)	IT1107596B (it)

1978
- 1978-11-23 IE IE212/83A patent/IE47516B1/en unknown
- 1978-12-14 IT IT5229178A patent/IT1107596B/it active

Also Published As

Publication number	Publication date
IT1107596B (it)	1985-11-25
IT7852291A0 (it)	1978-12-14

Publication	Publication Date	Title
IE47515B1 (en)	1984-04-04	Record material
US4246318A (en)	1981-01-20	Thermally-responsive record material
FI71694B (fi)	1986-10-31	Tryckkaensligt eller vaermekaensligt uppteckningsmaterial
JPS61100493A (ja)	1986-05-19	サリチル酸金属塩とその製造方法ならびに感圧または感熱記録材料の顕色剤としてのその使用
US5846901A (en)	1998-12-08	Color-forming compounds and their use in carbonless imaging
EP0902745B1 (en)	2001-10-17	Sultine color-former compounds and their use in carbonless copy paper
CA1151424A (en)	1983-08-09	Heat sensitive coating
US4861748A (en)	1989-08-29	Recording material
JPH0250875B2 (it)	1990-11-05
IE47516B1 (en)	1984-04-04	Record material
CA2066977C (en)	2002-10-01	Thermally responsive record material
US4675707A (en)	1987-06-23	Thermally-responsive record material
CA2915013C (en)	2022-01-18	Thermal recording materials
EP0181777B1 (en)	1989-06-28	Thermally responsive record material
JPS6036568A (ja)	1985-02-25	フルオラン誘導体，その製造方法およびその誘導体を用いた記録体
JPH04195047A (ja)	1992-07-15	記録材料
JPS58183755A (ja)	1983-10-27	フルオラン誘導体、その製造方法およびその誘導体を用いた記録体
JPS58145760A (ja)	1983-08-30	フルオラン誘導体、その製造方法およびその誘導体を用いた記録体
JPH0775910B2 (ja)	1995-08-16	感熱記録体、フタリド誘導体、その製造方法およびその誘導体を用いた記録体
JPS58191753A (ja)	1983-11-09	フルオラン誘導体、その製造方法およびその誘導体を用いた記録体
JPS58147457A (ja)	1983-09-02	フルオラン誘導体、その製造方法およびその誘導体を用いた記録体
JPS58180556A (ja)	1983-10-22	フルオラン誘導体、その製造方法およびその誘導体を用いた記録体
JPH02261690A (ja)	1990-10-24	記録材料
JPS6335382A (ja)	1988-02-16	記録材料