Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1993-05-14
1994-05-17
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430507, 430510, 430522, G03C 1815, G03C 1825
Patent
active
053127234
ABSTRACT:
Disclosed is a silver halide photographic photosensitive material which contains at least dye by general formula (I) below: ##STR1## wherein R.sup.1 represents a hydrogen atom, a halogen atom, a sulfonic acid group, a carboxylic acid group or a CONHR, SO.sub.2 NHR, NHSO.sub.2 R, NHCOR or NHCONHR group (where R is an alkyl group, an aryl group or a heterocyclic group); R.sup.2 and R.sup.3 are the same or different and each represents a hydrogen atom, an alkyl group or an NHSO.sub.2 R or NHCOR group (where R has the same meaning as above) or a halogen atom, or R.sup.2 and R.sup.3 may be joined together and represent a group of atoms which is required to form an aromatic ring; R.sup.4 and R.sup.5 are the same or different and each represents a hydrogen atom, an alkyl group, an alkoxy group, a hydroxy group, an amino group or a halogen atom; R.sup.6 and R.sup.7 are the same or different and each represents an alkyl group, an aryl group, an acyl group or a sulfonyl group; R.sup.6 and R.sup.7 may be joined together to form a five or six membered ring; R.sup.6 or R.sup.7 may be joined with the adjacent R.sup.5 respectively to form a five or six membered ring; n represents an integer of 0 to 3; wherein that there are at least five acidic substituent groups within the dye.
REFERENCES:
patent: 4756993 (1988-07-01), Kitatani et al.
patent: 5075205 (1991-12-01), Inagaki et al.
patent: 5108883 (1992-04-01), Matejec et al.
Harada Toru
Kawai Kiyoshi
Bowers Jr. Charles L.
Fuji Photo Film Co. , Ltd.
Letscher Geraldine
LandOfFree
Silver halide photographic photosensitive materials does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Silver halide photographic photosensitive materials, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Silver halide photographic photosensitive materials will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-876067