Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Method of use – kit – or combined with marking instrument or...
Reexamination Certificate
2007-07-03
2007-07-03
Hess, Bruce H. (Department: 1774)
Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Method of use, kit, or combined with marking instrument or...
C503S207000
Reexamination Certificate
active
10875012
ABSTRACT:
The reversible thermosensitive recording medium according to the present invention comprises a support, a thermosensitive layer and a protective layer in order, the thermosensitive layer comprises an electron-donating coloring compound and an electron-accepting compound and reversibly changes the color depending on temperatures, and the protective layer comprises a reactive heterocyclic compound, and inorganic fine particles of which surface is at least partially treated into hydrophobic, alternatively the protective layer comprises inorganic fine particles of which number-average particle size is 100 nm or less and of which surface is at least partially coated with organic silane compounds.
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Hayakawa Kunio
Kawahara Shinya
Shimbo Hitoshi
Tatewaki Tadafumi
Yamamoto Shin
Cooper & Dunham LLP
Hess Bruce H.
Ricoh & Company, Ltd.
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