Title:
METHOD FOR SENSITIZING SILVER HALIDE EMULSION, AND SILVER HALIDE PHOTOGRAPHIC SENSITIVE MATERIAL USING THIS EMULSION
Document Type and Number:
Japanese Patent JPH11218869
Kind Code:
A
Abstract:
To obtain a silver halide photographic emulsion high in sensitivity by using a specified compound.
The sensitizer to be used is a compound represented by the formula: PtXm(PR1R2R3)n in which X is a halogen atom, such as F, Cl, Br, or I; (m) is an integer of 1-5; (n) is 1, 2, or 3; and each of R1-R3 is, independently, 1-5C alkyl group, such as methyl, ethyl, propyl, or isopropyl group and R1-R3 may be each the same as or deferent from each other. This sensitization method can be used in combination with gold and/or a chalcogen atom, such as S, Se, or Te, thus permitting the obtained photographic emulsion to have high sensitivity.
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Inventors:
INAMI YOSHIYASU
IGARI SHINJI
MIFUNE HIROYUKI
IGARI SHINJI
MIFUNE HIROYUKI
Application Number:
JP1938598A
Publication Date:
August 10, 1999
Filing Date:
January 30, 1998
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
G03C1/09; (IPC1-7): G03C1/09
Attorney, Agent or Firm:
Tadashi Hagino (3 outside)