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Patent Searching and Data


Title:
THERMAL RECORDING MATERIAL
Document Type and Number:
Japanese Patent JP3218545
Kind Code:
B2
Abstract:

PURPOSE: To provide a thermal recording material excellent in dynamic color forming sensitivity and the matching property with a thermal head.
CONSTITUTION: An org. hollow filler with a particle size of 1-10μm and a percentage of hollowness of 60-95% is added to the heat insulating layer on a support and calcium carbonate with a particle size of 5μm or less, oil absorbancy of 80-200ml/100g and a BET specific surface area of 15-50m2/g is added to a thermal color forming layer based on a leuco dye and a developer.


Inventors:
Kazuhiro Takei
Tomonao Tsunoda
Mikio Goto
Application Number:
JP12132592A
Publication Date:
October 15, 2001
Filing Date:
April 15, 1992
Export Citation:
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Assignee:
株式会社リコー
International Classes:
B41M5/337; B41M5/26; (IPC1-7): B41M5/26
Domestic Patent References:
JP3147888A
JP2150382A
JP421518A
Other References:
【文献】独国特許出願公開4131256(DE,A1)
Attorney, Agent or Firm:
Toshiaki Ikeura (1 outside)