Patent US9344896B2 successfully refreshed from Google Patents.
Patent EP0367228A2 successfully refreshed from Google Patents.
EP0367228A2
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Heat-sensitive recording material
Assignee: Adeka Corp
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Filing: 1989-10-31
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Granted: —
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Expires: 2009-10-31
Abstract
Abstract A heat-sensitive recording material wherein 1,2-bis(3,4-dimethylphenyl)ethane is contained as a sensitizer in a color-forming layer comprising a usually colorless or light-colored coupling substance and a developer which causes coloring of the coupling substance upon heating.
Inventors
- 👤 Mitsuo C/O Adeka Argus Chemical Co. Ltd. Akutsu
- 👤 Syuji C/O Adeka Argus Chemical Co. Ltd. Iwakura
- 👤 Keiji C/O Adeka Argus Chemical Co. Ltd. Tabata
- 👤 Keiji C/O Adeka Argus Chemical Co. Ltd. Oya
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 06:36
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/30; B41M5/337; B41M5/3375
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
36 words
A heat-sensitive recording material having a color-forming layer comprising a usually colorless or light-colored coupling substance and a developer which causes coloring of the coupling substance upon heating, characterized in that the color-forming layer contains 1,2-bis(3,4-dimethylphenyl)ethane.
Claim 2
Dependent Claim
36 words
A heat-sensitive recording material having a color-forming layer comprising a usually colorless or light-colored coupling substance and a developer which causes coloring of the coupling substance upon heating, characterized in that the color-forming layer contains 1,2-bis(3,4-dimethylphenyl)ethane.
Claim 3
Dependent Claim
29 words
A heat-sensitive recording material set forth in Claim 1, wherein the amount of 1,2-bis(3,4-dimethylphenyl)ethane is 0.1 to 10 parts by weight per part by weight of the coupling substance.
References Cited (Backward Citations)
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