EP0159874A3 - Prevention of spotting in thermal imaging compositions - Google Patents

Prevention of spotting in thermal imaging compositions Download PDF

Info

Publication number
EP0159874A3
EP0159874A3 EP85302573A EP85302573A EP0159874A3 EP 0159874 A3 EP0159874 A3 EP 0159874A3 EP 85302573 A EP85302573 A EP 85302573A EP 85302573 A EP85302573 A EP 85302573A EP 0159874 A3 EP0159874 A3 EP 0159874A3
Authority
EP
European Patent Office
Prior art keywords
spotting
prevention
thermal imaging
imaging compositions
compositions
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP85302573A
Other versions
EP0159874B1 (en
EP0159874A2 (en
Inventor
Alan G. C/O Minnesota Mining And Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0159874A2 publication Critical patent/EP0159874A2/en
Publication of EP0159874A3 publication Critical patent/EP0159874A3/en
Application granted granted Critical
Publication of EP0159874B1 publication Critical patent/EP0159874B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
EP85302573A 1984-04-16 1985-04-12 Prevention of spotting in thermal imaging compositions Expired - Lifetime EP0159874B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60047484A 1984-04-16 1984-04-16
US600474 1990-10-19

Publications (3)

Publication Number Publication Date
EP0159874A2 EP0159874A2 (en) 1985-10-30
EP0159874A3 true EP0159874A3 (en) 1986-06-04
EP0159874B1 EP0159874B1 (en) 1991-07-24

Family

ID=24403749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85302573A Expired - Lifetime EP0159874B1 (en) 1984-04-16 1985-04-12 Prevention of spotting in thermal imaging compositions

Country Status (6)

Country Link
EP (1) EP0159874B1 (en)
JP (1) JPH0671823B2 (en)
AU (1) AU580034B2 (en)
BR (1) BR8501734A (en)
CA (1) CA1236299A (en)
DE (1) DE3583524D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278031A (en) * 1992-10-23 1994-01-11 Polaroid Corporation Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein
ES2339167T3 (en) * 2007-09-10 2010-05-17 Mitsubishi Hitec Paper Flensburg Gmbh HEAT SENSITIVE RECORDING MATERIAL.

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460964A (en) * 1964-11-19 1969-08-12 Eastman Kodak Co Heat-sensitive recording element and composition
US3767449A (en) * 1970-09-28 1973-10-23 Fuji Photo Film Co Ltd Recording sheet
DE2355184A1 (en) * 1972-11-08 1974-05-16 Mitsubishi Paper Mills Ltd HEAT-SENSITIVE RECORDING MATERIAL
US4032690A (en) * 1975-01-24 1977-06-28 Mitsubishi Paper Mills, Ltd. Thermosensitive recording material
WO1981001757A1 (en) * 1979-12-07 1981-06-25 Minnesota Mining & Mfg Color imaging system
FR2494707A1 (en) * 1980-11-27 1982-05-28 Pilot Ink Co Ltd THERMOCHROMIC MATERIALS
FR2503729A1 (en) * 1981-04-08 1982-10-15 Pilot Ink Co Ltd THERMOCHROIC SUBSTANCES
AT372910B (en) * 1980-10-28 1983-11-25 Manuel Ing Cespon COATINGS FOR THE PRODUCTION OF A PRESSURE-SENSITIVE RECORDING MATERIAL
US4423139A (en) * 1980-12-22 1983-12-27 Minnesota Mining And Manufacturing Company Stabilizer combination for dye oxidation
FR2538309A1 (en) * 1982-12-27 1984-06-29 Pilot Ink Co Ltd REVERSIBLE THERMOSENSIBLE RECORDING MATERIAL
EP0124296A1 (en) * 1983-04-05 1984-11-07 Minnesota Mining And Manufacturing Company Thermographic system using naphthoylated leuco phenazine dyes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423137A (en) * 1980-10-28 1983-12-27 Quixote Corporation Contact printing and etching method of making high density recording medium
JPS5798392A (en) * 1980-12-10 1982-06-18 Toppan Printing Co Ltd Thermosensitive recording
US4379835A (en) * 1980-12-22 1983-04-12 Minnesota Mining And Manufacturing Company Black image from a thermographic imaging system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460964A (en) * 1964-11-19 1969-08-12 Eastman Kodak Co Heat-sensitive recording element and composition
US3767449A (en) * 1970-09-28 1973-10-23 Fuji Photo Film Co Ltd Recording sheet
DE2355184A1 (en) * 1972-11-08 1974-05-16 Mitsubishi Paper Mills Ltd HEAT-SENSITIVE RECORDING MATERIAL
US4032690A (en) * 1975-01-24 1977-06-28 Mitsubishi Paper Mills, Ltd. Thermosensitive recording material
WO1981001757A1 (en) * 1979-12-07 1981-06-25 Minnesota Mining & Mfg Color imaging system
AT372910B (en) * 1980-10-28 1983-11-25 Manuel Ing Cespon COATINGS FOR THE PRODUCTION OF A PRESSURE-SENSITIVE RECORDING MATERIAL
FR2494707A1 (en) * 1980-11-27 1982-05-28 Pilot Ink Co Ltd THERMOCHROMIC MATERIALS
US4423139A (en) * 1980-12-22 1983-12-27 Minnesota Mining And Manufacturing Company Stabilizer combination for dye oxidation
FR2503729A1 (en) * 1981-04-08 1982-10-15 Pilot Ink Co Ltd THERMOCHROIC SUBSTANCES
FR2538309A1 (en) * 1982-12-27 1984-06-29 Pilot Ink Co Ltd REVERSIBLE THERMOSENSIBLE RECORDING MATERIAL
EP0124296A1 (en) * 1983-04-05 1984-11-07 Minnesota Mining And Manufacturing Company Thermographic system using naphthoylated leuco phenazine dyes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 6, no. 190 (M-159) [1068], 29th September 1982; & JP-A-57 098 392 (TOPPAN INSATSU K.K.) 18-06-1982 *

Also Published As

Publication number Publication date
JPH0671823B2 (en) 1994-09-14
EP0159874B1 (en) 1991-07-24
AU3980085A (en) 1985-10-24
AU580034B2 (en) 1988-12-22
JPS60234885A (en) 1985-11-21
BR8501734A (en) 1985-12-10
CA1236299A (en) 1988-05-10
DE3583524D1 (en) 1991-08-29
EP0159874A2 (en) 1985-10-30

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