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US 4,050,940 AGranted
Process for the preparation of a photographic material
AssigneeKonishiroku Photo Industry Co., Ltd.
InventorsTeiji Habu, Masao Ishihara, Eiichi Sakamoto, Hiroshi Yamada, Masaaki Kaneshige
Life of this patent
Estimating the term…
Abstract
A process for improving the coating of photographic materials by substantially removing coating irregularities and applying more uniform coatings is described.
Claims4
A process for the preparaton of a gelatin-silver halide photographic layer thereon which comprises forming the layer by coating with a coating solution which contains a compound represented by the following formula:
- ##STR17## wherein R is hydrogen or methyl, 1 is an integer of 2 to 10 inclusive, m is an integer of 0 to 50 inclusive, and n is an integer of 0 to 50 inclusive, provided that when n is 1, R is methyl, and further provided that both m and n are not 0 simultaneously.
Dependencies are inferred from the claim text.