Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-03-10
1995-08-29
Schwartz, Pamela R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428195, 428323, 428331, B41M 500
Patent
active
054458684
ABSTRACT:
A recording sheet comprising a substrate and a colorant absorbing layer made of a porous inorganic oxide, formed on the substrate, wherein said colorant absorbing layer contains an organic acid with the first acid dissociation exponent of at most 5, which has an aromatic nucleus or at least two carboxyl groups.
REFERENCES:
patent: 4562448 (1985-12-01), Watanabe et al.
patent: 4775594 (1988-10-01), Desjarlais
patent: 4879166 (1989-11-01), Misuda et al.
patent: 5104730 (1992-04-01), Misuda et al.
Harasawa Masako
Matsubara Toshiya
Misuda Katsutoshi
Tanuma Toshihiro
Asahi Glass Company Ltd.
Schwartz Pamela R.
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