US4484204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sensitive record material
Assignee: New Oji Paper Co Ltd
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Filing: 1983-03-29
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Granted: 1984-11-20
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Expires: 2003-03-29
Abstract
Abstract This invention provides a heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized in that a resin coating layer cured with electron beam is formed over the heat-sensitive record layer; and also a heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized by a resin coating layer cured with electron beam, formed over the heat-sensitive record layer and containing about 5 to about 300 parts by weight of a pigment per 100 parts by weight of the resin.
Inventors
- 👤 Tohru Yamamoto
- 👤 Hironari Fujioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:02
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/40; B41M5/405; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
126 words
A heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized in that a resin coating layer cured with electron beam is formed over the heat-sensitive record layer by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule.
Claim 2
Dependent Claim
126 words
A heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized in that a resin coating layer cured with electron beam is formed over the heat-sensitive record layer by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule.
Claim 3
Dependent Claim
33 words
A heat-sensitive record material as defined in claim 1 wherein the coating composition is applied in an amount of about 0.1 to about 20 g/m 2 calculated as the weight of cured coating.
Claim 4
Dependent Claim
16 words
A heat-sensitive record material as defined in claim 1 wherein the coating is irradiated with electron.
Claim 5
Dependent Claim
90 words
A heat-sensitive record material as defined in claim 1 wherein a resin coating layer cured with electron beam is formed also over the rear surface of the base sheet by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule.
Claim 6
Dependent Claim
172 words
A heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized by a resin coating layer cured with electron beam, formed over the heat-sensitive record layer and containing about 5 to about 300 parts by weight of a pigment per 100 parts by weight of the resin is formed by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising (a) at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule, and (b) the pigment in an amount of about 5 to about 300 parts by weight per 100 parts by weight of the resin.
Claim 7
Dependent Claim
172 words
A heat-sensitive record material comprising a base sheet and a heat-sensitive record layer formed over the base sheet and containing a color forming material and a color developing material which undergoes a color forming reaction on contact with the color forming material, the heat-sensitive record material being characterized by a resin coating layer cured with electron beam, formed over the heat-sensitive record layer and containing about 5 to about 300 parts by weight of a pigment per 100 parts by weight of the resin is formed by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising (a) at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule, and (b) the pigment in an amount of about 5 to about 300 parts by weight per 100 parts by weight of the resin.
Claim 8
Dependent Claim
33 words
A heat-sensitive record material as defined in claim 5 wherein the coating composition is applied in an amount of about 0.1 to about 20 g/m 2 calculated as the weight of cured coating.
Claim 9
Dependent Claim
27 words
A heat-sensitive record material as defined in claim 5 wherein the coating is irradiated with electron beam at a dose of about 0.1 to about 15 Mrad.
Claim 10
Dependent Claim
90 words
A heat-sensitive record material as defined in claim 5 wherein a resin coating layer cured with electron beam is formed also over the rear surface of the base sheet by applying a coating composition to the record layer and curing the coating with electron beam, the coating composition comprising at least one oligomer liquid at room temperature, capable of giving a uniform smooth uncured resin coating when applied and forming a cured resin film when irradiated with electron beam, and having at least one ethylenically unsaturated bond in the molecule.
Claim 11
Dependent Claim
45 words
A heat-sensitive record material as defined in claim 8 wherein the resin coating layer on the rear surface of the base sheet contains a pigment in an amount of about 5 to about 300 parts by weight per 100 parts by weight of the resin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-20 | 1988-05-21 | 1988-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-20 | 1992-05-21 | 1992-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-20 | 1996-05-21 | 1996-11-20 | $7700.00 | Window Closed / Lapsed |