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Patent Searching and Data


Title:
PHOTOGRAPHIC ELEMENT
Document Type and Number:
Japanese Patent JP2003315968
Kind Code:
A
Abstract:

To improve the accuracy of color reproduction by increasing a color gamut as well as by improving color density in the spectral region of 490-520 nm.

Disclosed is a photographic element comprising a support bearing a light sensitive silver halide emulsion layer having associated therewith a dye forming coupler represented by formula I, wherein: Ballast is a group containing at least 6 aliphatic carbon atoms; V represents a chain of three or four atoms, which may be substituted, selected from C, N, O and S sufficient to form an aromatic ring fused to the azole ring and n is 0 or 1, provided that if n is 0, Ballast is directly attached to the 5-membered azole ring; W is an electron withdrawing group; X is H or a coupling-off group; Y is H or a substituent; and Z is an atom or group selected from >N-R, -O- and -S-.


Inventors:
KAPIAMBA MBIYA
DIEHL DONALD R
EDWARDS JAMES L
LINCOLN DAVID G
RUSSO GARY M
Application Number:
JP2003108906A
Publication Date:
November 06, 2003
Filing Date:
April 14, 2003
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
G03C7/20; G03C7/38; G03C7/36; (IPC1-7): G03C7/36; G03C7/20
Attorney, Agent or Firm:
Takashi Ishida (4 others)