| abstract |
Tabular gain silver halide emulsions prepared in the presence of a block copolymer selected from the group consisting of: A-B, A-(B-A)m, B-(A-B)m, (A-B)p-X, (B-A)p-X, [A-(B-A)m]p-X, and [B-(A-B)m]p-X where m is an integer of 1 or more, p is an integer of 3 or more, X represents a p-valent linking group, A represents a poly(tetrahydrofuran) block, and B represents a poly(ethylene oxide) block. |