The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1987
Filed:
Feb. 25, 1986
Yoshihiko Shibahara, Minami-Ashigara, JP;
Hideto Ikoma, Minami-Ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide color photographic material which comprises a support having coated thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, characterized in that the gradation of each of the blue-, green- and red-sensitive layers satisfies the following relation: ##EQU1## wherein .gamma..sub.B (10.sup.-4), .gamma..sub.G (10.sup.-4) and .gamma..sub.R (10.sup.-4) represent gradation of the blue-, green- and red- sensitive layers upon 1/10,000 second exposure, respectively and .gamma..sub.B (10.sup.-2), .gamma..sub.G (10.sup.-2) and .gamma..sub.R (10.sup.-2) represent those upon 1/100 second exposure, respectively, which provides a color picture having good color and tone reproduction in both regular and flash photography.