Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1988-10-19
1990-11-06
Sluby, P. C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428507, 428511, 428513, 430496, 430531, 430538, 2641761, 427 44, B32B 2710, G03C 188
Patent
active
049685546
ABSTRACT:
A support sheet for photographic paper having an enhanced resistance to curling, especially twist-curling, comprises a substrate paper sheet composed of a half stratum portion thereof at the face side of a surface on which a photographic emulsion layer will be formed and the other half stratum portion thereof at the back side of the opposite surface, and two polyolefin resin coating layers on the two surfaces of the substrate paper sheet, the substrate paper sheet having a resiliency satisfying the relationships (I) and (II):
Ayukawa Takao
Kamiya Masahiro
Shigetani Tsunehisa
Uesaka Tetsu
Yamana Masahiro
Oji Paper Co. Ltd.
Sluby P. C.
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