US4510512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sensitive record material
Assignee: Kanzaki Paper Manufacturing Co Ltd
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Filing: 1982-12-09
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Granted: 1985-04-09
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Expires: 2002-12-09
Abstract
Abstract A heat-sensitive record material for use with an infrared laser containing (a) a color forming material, (b) a color developing material, and (c) a light absorbing material selected from the group consisting of (1) natural or synthetic silicate compounds, and (2) baked products obtained by baking a zinc compound and a clay mineral at a temperature of at least 500° C.
Inventors
- 👤 Tosaku Okamoto
- 👤 Tomoyuki Okimoto
- 👤 Katsuhiko Ishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:35
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/46; B41M5/465; B41M5/30; B41M5/337; B41M5/3377; Y; Y10; Y10S; Y10S430/00; Y10S430/146; Y10S430/165
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
176 words
A heat-sensitive record material for use with an infrared laser containing (a) a color forming material, (b) a color developing material, and (c) a light absorbing material selected from the group consisting of (1) natural silicate compounds selected from the group consisting of the olivine group, garnet group, pyroxene group, amphibole group, serpentine group, plagioclase series of fledspar group, feldspathoid group, willemite, phenacite, zircon, cyanite and benitoite, (2) synthetic silicate compounds comprising, as the metal element, at least one of the bivalent or trivalent metal elements selected from the group consisting of magnesium, calcium, zinc, barium, aluminum, tin, lead, manganese, iron, nickel and cobalt and baked at a temlperature of at least 500° C., and (3) baked products obtained by baking a zinc compound and a clay mineral at a temperature of at least 500° C., and (d) the color forming material, color developing material and light absorbing material being dispersed in a binder resin and a color being formed when at least one of the color forming material and color developing material melts by heat.
Claim 2
Dependent Claim
176 words
A heat-sensitive record material for use with an infrared laser containing (a) a color forming material, (b) a color developing material, and (c) a light absorbing material selected from the group consisting of (1) natural silicate compounds selected from the group consisting of the olivine group, garnet group, pyroxene group, amphibole group, serpentine group, plagioclase series of fledspar group, feldspathoid group, willemite, phenacite, zircon, cyanite and benitoite, (2) synthetic silicate compounds comprising, as the metal element, at least one of the bivalent or trivalent metal elements selected from the group consisting of magnesium, calcium, zinc, barium, aluminum, tin, lead, manganese, iron, nickel and cobalt and baked at a temlperature of at least 500° C., and (3) baked products obtained by baking a zinc compound and a clay mineral at a temperature of at least 500° C., and (d) the color forming material, color developing material and light absorbing material being dispersed in a binder resin and a color being formed when at least one of the color forming material and color developing material melts by heat.
Claim 3
Dependent Claim
27 words
A heat-sensitive record material as defined in claim 1 wherein the natural silicate compound is olivine group, pyroxene group, amphibole group or plagioclase series of feldspar group.
Claim 4
Dependent Claim
22 words
A heat-sensitive record material as defined in claim 2 wherein the natural silicate compound is olivine, enstatite, tremolite, actinolite, bytownite or anorthite.
Claim 5
Dependent Claim
20 words
A heat-sensitive record material as defined in claim 1 wherein the metal element is magnesium, calcium, zinc, barium or aluminum.
Claim 6
Dependent Claim
22 words
A heat-sensitive record material as defined in claim 1 wherein the synthetic silicate compound is magnesium silicate, calcium silicate or zinc silicate.
Claim 7
Dependent Claim
28 words
A heat-sensitive record material as defined in claim 1 wherein the silicate compound is natural silicate compound which is baked at a temperature of at least 500° C.
Claim 8
Dependent Claim
18 words
A heat-sensitive record material as defined in claim 6 wherein the baking temperature is 700° to 1300° C.
Claim 9
Dependent Claim
18 words
A heat-sensitive record material as defined in claim 1 wherein the baking temperature is 700° to 1300° C.
Claim 10
Dependent Claim
25 words
A heat-sensitive record material as defined in claim 1 wherein the zinc compound is zinc oxide or a compound which produces zinc oxide when heated.
Claim 11
Dependent Claim
21 words
A heat-sensitive record material as defined in claim 9 wherein the zinc oxide producing compound is zinc hydroxide or zinc carbonate.
Claim 12
Dependent Claim
38 words
A heat-sensitive record material as defined in claim 1 wherein the clay mineral is pyrophyllite, talc, minnesotaite, montmorillonite, nontronite, saponite, vermiculite, sericite, illite, celadonite, amesite, pennine, ripidolite, thurigite, aphrosiderite, kaolinite, dickite, nacrite, metahalloysite, halloysite, sepiolite, palygorskite or attapulgite.
Claim 13
Dependent Claim
19 words
A heat-sensitive record material as defined in claim 11 wherein the clay mineral is talc, montmorillonite, sericite or kaolinite.
Claim 14
Dependent Claim
33 words
A heat-sensitive record material as defined in claim 1 wherein about 10 to about 400 parts by weight of the zinc compound is used per 100 parts by weight of the clay mineral.
Claim 15
Dependent Claim
26 words
A heat-sensitive record material as defined in claim 1 wherein the zinc compound and clay mineral are baked at a temperature of 700° to 1300° C.
Claim 16
Dependent Claim
35 words
A heat-sensitive record material as defined in claim 1 wherein the light absorbing material is used in an amount of at least 3% by weight based on the total solids content of the record layer.
Claim 17
Dependent Claim
27 words
A heat-sensitive record material as defined in claim 15 wherein the amount of the light absorbing material is in the range of 3 to 90% by weight.
Claim 18
Dependent Claim
27 words
A heat-sensitive record material as defined in claim 16 wherein the amount of the light absorbing material is in the range of 10 to 80% by weight.
Claim 19
Dependent Claim
32 words
A heat-sensitive record material as defined in claim 1 wherein the color forming material is an electron donating organic chromogenic material and the color developing material is an electron accepting reactant material.
Claim 20
Dependent Claim
23 words
A heat-sensitive record material as defined in claim 1 wherein a carbon dioxide gas laser is used as the infrared laser light source.
References Cited (Backward Citations)
JPS5342910A
Cited
DE2800485A1
Cited
JPS53118059A
Cited
JPS542753A
Cited
JPS54121140A
Cited
JPS55156088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-08 | 1988-10-08 | 1989-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-08 | 1992-10-08 | 1993-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-08 | 1996-10-08 | 1997-04-09 | $7700.00 | Window Closed / Lapsed |