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. 27, 1976
Filed:
Dec. 02, 1974
Applicant:
Inventors:
Yoshiyuki Nakazawa, Minami-ashigara, JA;
Yasuharu Nakamura, Minami-ashigara, JA;
Tohru Sueyoshi, Minami-ashigara, JA;
Akira Sato, Minami-ashigara, JA;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
96127 ; 96 2 / ; 96 9 / ;
Abstract
Holographic silver halide elements are disclosed comprising fine silver halide particles spectrally sensitized with dyes sensitive in the 615-660 m.mu. region. The dyes are of the formula: ##EQU1## WHEREIN Z.sub.1 and Z.sub.2 are heterocyclic rings as defined in the specification and R, R.sub.1, R.sub.2, R.sub.3 and L are defined in the specification.