Patent ID: 6713243
Filing Date: 2004-03-30
Classification: G03C

Abstract:
A silver halide photosensitive material comprising at least one noncoloring compound represented by any one of the following general formulae a to d, wherein:the general formula a is as follows: â€ƒand in the general formula a, Ra1 and Ra2 each independently represents an unsubstituted alkyl group having 1 to 10 carbon atoms L1 represents a group represented by one of the following general formulae a2 and a3, n and p each independently represents an integer from 1 to 5, if n is 2 to 5, the plural of Ra1 may be the same as or different from each other, the general formula a2 is as follows: in which Ra3, Ra4, Ra5 and Ra6 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, m represents an integer from 2 to 4, one of Ra3, Ra4, Ra5 and Ra6 may be the same as and may be different from another one thereof, and, if m is 2, the total number of carbon atoms in groups represented by Ra1, Ra2, Ra3, Ra4, Ra5 and Ra6 is at least 5,the general formula a3 is as follows: in which Ra7 and Ra8 each independently represents a hydrogen group or an unsubstituted alkyl group having 1 to 10 carbon atoms, s represents an integer from 2 to 8, and the two or more of Ra7 may be the same as or different from each other, and the two or more of Ra8 may be the same as or different from each other, andif L1 is a group represented by the general formula a3, the total number of carbon atoms in groups represented by Ra1, Ra2, Ra7 and Ra8 is at least 5, the general formula b is as follows: â€ƒand in the general formula b, L2 represents a group represented by one of the following general formula b2, b3 and b4, general formula b2 is as follows: in which Rb1, Rb2, Rb3 and Rb4 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, and the total number of carbon atoms in groups represented by Rb1, Rb2, Rb3 and Rb4 is at least 5,general formula b3 is as follows: in which Rb5, Rb6, Rb7, Rb8, Rb9 and Rb10 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, and the total number of carbon atoms in groups represented by Rb5, Rb6, Rb7, Rb8, Rb9 and Rb10 is at least 6, andgeneral formula b4 is as follows: in which Rb11, Rb12, Rb13, Rb14, Rb15, Rb16, Rb17 and Rb18 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, and the total number of carbon atoms in groups represented by Rb11, Rb12, Rb13, Rb14, Rb15, Rb16, Rb17 and Rb18 is at least 2,the general formula c is as follows: â€ƒand in the general formula c, Rc1 represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, Rca, Rcb, Rc2, Rc3, Rc4, Rc5, Rc6, Rc7 and Rc8 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, x, y and z each independently represents an integer from 0 to 5, if x is more than 1, the Rc6s may be the same as and may be different from each other, if y is more than 1, the Rc7s may be the same as and may be different from each other, if z is more than 1, the Rc8s may be the same as and may be different from each other, the total number of carbon atoms in groups represented by Rca, Rcb, Rc1, Rc2, Rc3, Rc4, Rc5, Rc6, Rc7 and Rc8 is at least 3; and the general formula d is as follows: â€ƒand in the general formula d, A, B, and D each independently represents one of an unsubstituted alkyl group having 1 to 10 carbon atoms and a group represented by the following formula d2, at least two of A, B and D are each a group represented by the general formula d2, Rd1, Rd2, Rd3, Rd4 and Rd5 each independently represents one of a hydrogen atom and an unsubstituted alkyl group having 1 to 10 carbon atoms, the general formula d2 is as follows: in which Rd6 represents an unsubstituted alkyl group having 1 to 10 carbon atoms, t represents an integer from 0 to 5, and, if t is more than 1, the Rd6s may be the same as and may be different from each other;in the general formula d and d2, at least one of Rd1, Rd2, Rd3, Rd4, Rd5 and Rd6 is an unsubstituted alkyl group having 1 to 10 carbon atoms, and if A, B and D are each a group represented by the general formula d2 and respective values of t are all 0, the total number of carbon atoms in groups represented by Rd1, Rd2, Rd3, Rd4 and Rd5 is at least 3.