Silver halide supersensitized photographic emulsion
Abstract
Abstract A SILVER HALIDE LIGHT-SENSITIVE PHOTOGRAPHIC EMULSION CONTAINING A COMBINATION OF AT LEAST ONE SENSITIZING DYE REPRESENTED BY THE FOLLOWING FORMULA I AND AT LEAST ONE SENSITIZING DYE REPRESENTED BY THE FOLLOWING FORMULA II: (-Z1-N(+)(-R1)=)>C-CH=C(-(CH2)2-C6H5)-CH=C<(-Z2-N(-R2)-) (X1(-))N WHEREIN R1 AND R2 EACH REPRESENTS A LOWER ALKYL GROUP OR A SUBSTITUTED LOWER ALKYL GROUP, Z1 AND Z2 EACH REPRESENTS AN ATOMIC GROUP NECESSARY TO COMPLETE A BENZOTHIAZOLE NUCLEUS, A BENZONSELENAZOLE NUCLEUS OR A NAPHTHOTHIAZOLE NUCLEUS, X1 REPRESENTS AN ANION, AND N REPRESENTS 0 OR 1, N=0 WHEN AN INTRA-MOLECULAR SALT IS FORMED; (-Z3-N(+)(-R3)=)>C-CH=C(-R5)-CH=C<(-Z4-N(-R4)-) (X2(-))M WHEREIN R5 REPRESENTS A LOWER ALKYL GROUP AND R3, R4, Z3, Z4, X2 AND M EACH HAS THE SAME MEANING AS R1, R2, ZI, Z2M X1 AND N RESPECTIVELY.
Inventors
- 👤 Yoshiyuki Nadazawa
- 👤 Yashuharu Nakamura
- 👤 Haruo Takei
- 👤 Akira Sato
- 👤 Tadashi Ikeda
Bibliographic Details
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