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Photographic element with 2-equivalent 5-pyrazolone and competitor for oxidized developing agent

Assignee: Eastman Kodak Co
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Filing: 1991-04-30
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Granted: 1992-09-15
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Expires: 2011-04-30
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Abstract

Abstract Photographic elements are described having a silver halide emulsion layer, a 2-equivalent 5-pyrazolone coupler is reactive association with said silver halide emulsion, and a competitor for oxidized developer in reactive association with said coupler having the formula: ##STR1## wherein R 1 represents an electron donating group, R 2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR 3 , where R 3 is phenyl or benzyl, with the proviso that at least one ofthe substitutents R 1 and R 2 (a) represents (1) a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, and n is 0, 1 or 2.

Inventors

  • 👤 Arlyce T. Bowne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 07:36
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3003; G03C7/3005; G03C7/3008; G03C7/3012; G03C7/392; G03C7/39208; G03C7/39236

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 141 words
A color reversal photographic element comprising a support having thereon a silver halide emulsion layer, a 2-equivalent 5-pyrazolone coupler in reactive association with said silver halide emulsion, and a dispersion in a high boiling point water insoluble coupler solvent of a competitor for oxidized developer in reactive association with said coupler having the formula: ##STR13## wherein R 1 represents an electron donating group, R 2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR 3 , where R 3 is phenyl or benzyl, with the proviso that at least one of the substituents R 1 and R 2 (a) represents a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, and n is 0, 1 or 2.
Claim 2
Dependent Claim 141 words
A color reversal photographic element comprising a support having thereon a silver halide emulsion layer, a 2-equivalent 5-pyrazolone coupler in reactive association with said silver halide emulsion, and a dispersion in a high boiling point water insoluble coupler solvent of a competitor for oxidized developer in reactive association with said coupler having the formula: ##STR13## wherein R 1 represents an electron donating group, R 2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR 3 , where R 3 is phenyl or benzyl, with the proviso that at least one of the substituents R 1 and R 2 (a) represents a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, and n is 0, 1 or 2.
Claim 3
Dependent Claim 72 words
A photographic element according to claim 1 wherein said coupler has the formula: ##STR14## R 1 represents a carbonamido group, an arylamino group, a ureido group, a sulfonamido group, an alkylamino group, or a heterocyclic amino group, R 2 represents an aryl group, such as a substituted or unsubstituted aryl group, and X represents a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent.
Claim 4
Dependent Claim 230 words
A photographic element according to claim 1 wherein said coupler has the formula: ##STR15## wherein R 3 represents a substituted or unsubstituted: arylamino group, a carbonamido group, a ureido group, a sulfonamido group, an alkylamino group, or a heterocyclic amino group, R 4 represents a substituted or unsubstituted: alkyl group or aryl group, X' represents a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent, X" represents a divalent group derived from X' having bonding sites to the pyrazolone ring and to --(Y) q -- in the formula hereinbelow, * represents a site for linkage to --(Y) q -- in the formula: ##STR16## wherein R 5 represents a hydrogen atom, a lower alkyl group having from 1 to 4 carbon atoms, or a chlorine atom, A represents --CONH--, --COO--, --O--, or a phenylene group, B represents an unsubstituted or substituted straight or branched alkylene group, aralkylene group, or phenylene group, Y represents --CONR'--, --NR'CONR'--, --NR'--COO--, --NR'CO--, --OCONR'--, --NR'--, --COO--, --OCO--, --CO--, --O--, --SO 2 --, --NR'SO 2 -- or --SO 2 NR'--, wherein R' represents a hydrogen atom or substituted or unsubstituted aliphatic group or aryl group, and when two or more R's are present in one molecule, R's may be same or different. q is 0 or 1, p is 0 when q is 0, or 1 when a is 1.
Claim 5
Dependent Claim 21 words
A photographic element according to claim 3 wherein R 3 is an anilino group, a carbonamido group, or a ureido group.
Claim 6
Dependent Claim 21 words
A photographic element according to claim 2 wherein R 1 is an anilino group, a carbonamido group, or a ureido group.
Claim 7
Dependent Claim 23 words
A photographic element according to any of claim 1 wherein said polar group has a π constant which is more negative than -1.0.
Claim 8
Dependent Claim 49 words
A photographic element according to claim 1 wherein R 1 is carbonamido of the formula --NR 4 COR 5 where R 4 is hydrogen or alkyl of from 1 to about 8 carbon atoms and R 5 is as defined for R 4 or a benzyl or phenyl group.
Claim 9
Dependent Claim 51 words
A photographic element according to claim 1 wherein R 1 is sulfonamido of the formula --NR 4 SO 2 R 5 wherein R 4 is hydrogen or alkyl of from 1 to about 8 carbon atoms and R 5 is as defined for R 4 or a benzyl or phenyl group.
Claim 10
Dependent Claim 48 words
A photographic element according to claim 1 wherein R 1 is amino of the formula --NR 4 R 5 wherein R 4 is hydrogen or alkyl of from 1 to about 8 carbon atoms and R 5 is as defined for R 4 or is benzyl or phenyl.
Claim 11
Dependent Claim 23 words
A photographic element according to claim 1 wherein R 1 is alkyl or alkoxy having from about 8 to about 16 carbon atoms.
Claim 12
Dependent Claim 23 words
A photographic element according to claim 1 wherein R 2 is aryl or aryloxy having from 6 to about 10 ring carbon atoms.
Claim 13
Dependent Claim 160 words
A color reversal processing method comprising the steps of developing an imagewise exposed photographic element with a non-chromogenic developer, then uniformly fogging the element, and then developing with a chromogenic developer, wherein said element comprises a support having thereon a silver halide emulsion layer a 2-equivalent 5-pyrazolone coupler in reactive association with said silver halide emulsion layer, and a competitor for oxidized developer in reactive association with said coupler having the formula: ##STR17## wherein R 1 represents an electron donating group, R 2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR 3 , where R 3 is phenyl or benzyl, with the proviso that at least one of the substituents R 1 and R 2 (a) represents (1) a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, and n is 0, 1, or 2.
Claim 14
Dependent Claim 160 words
A color reversal processing method comprising the steps of developing an imagewise exposed photographic element with a non-chromogenic developer, then uniformly fogging the element, and then developing with a chromogenic developer, wherein said element comprises a support having thereon a silver halide emulsion layer a 2-equivalent 5-pyrazolone coupler in reactive association with said silver halide emulsion layer, and a competitor for oxidized developer in reactive association with said coupler having the formula: ##STR17## wherein R 1 represents an electron donating group, R 2 represents hydrogen, alkyl, alkoxy, aryl, aryloxy, aralkyl or amino of the formula --NHR 3 , where R 3 is phenyl or benzyl, with the proviso that at least one of the substituents R 1 and R 2 (a) represents (1) a ballast group of sufficient size as to render the hydrazide compound non-diffusible in the photographic element prior to development in alkaline processing solution and (b) comprises a polar group, and n is 0, 1, or 2.
Claim 15
Dependent Claim 67 words
A photographic process according to claim 12 wherein said coupler has the formula: ##STR18## R 1 represents a carbonamido group, an arylamino group, a ureido group, a sulfonamido group, an alkylamino group, or a heterocyclic amino group, R 2 represents a substituted or unsubstituted aryl group, and X represents a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent.
Claim 16
Dependent Claim 229 words
A photographic process according to claim 12 wherein said coupler has the formula: ##STR19## wherein R 3 represents a substituted or unsubstituted: arylamino group, carbonamido group, ureido group, sulfonamido group, alkylamino group, or heterocyclic amino group, R 4 represents a substituted or unsubstituted: alkyl group or aryl group, X' represents a group capable of being released by a coupling reaction with an oxidized aromatic primary amine developing agent, X" represents a divalent group derived from X having bonding sites to the pyrazolone ring and to --(Y) q -- in the formula below, * represents a site for linkage to --(Y) q -- in the formula: ##STR20## wherein R 5 represents a hydrogen atom, a lower alkyl group having from 1 to 4 carbon atoms, or a chlorine atom, A represents --CONH--, --COO--, --O--, or a phenylene group, B represents a substituted or unsubstituted straight or branched: alkylene group, aralkylene group, or phenylene group, Y represents --CONR'--, --NR'CONR'--, --NR'--COO--, --NR'CO--, --OCONR'--, --NR'--, --COO--, --OCO--, --CO--, --O--, --SO 2 --, --NR'SO 2 --, or --SO 2 NR'--, wherein R' represents a hydrogen atom or a substituted or unsubstituted: aliphatic group or aryl group, and when two or more R's are present in one molecule, the R's may be the same or different, q is 0 or 1, and p is 0 when q is 0, or 1 when q is 1.
Claim 17
Dependent Claim 21 words
A photographic process according to claim 14 wherein R 3 is an anilino group, a carbonamido group, or a ureido group.
Claim 18
Dependent Claim 21 words
A photographic process according to claim 13 wherein R 1 is an anilino group, a carbonamido group, or a ureido group.
Claim 19
Dependent Claim 21 words
A photographic process according to claim 12 wherein said polar group has a π constant which is more negative than -1.0.
Claim 20
Dependent Claim 48 words
A photographic process according to claim 12 wherein R 1 is carbonamido of the formula --NR 4 COR 5 where R 4 is hydrogen or alkyl of from 1 to 8 carbon atoms and R 5 is as defined for R 4 or a benzyl or phenyl group.
Claim 21
Dependent Claim 50 words
A photographic process according to claim 12 wherein R 1 is sulfonamido of the formula --NR 4 SO 2 R 5 where R 4 is hydrogen or alkyl of from 1 to 8 carbon atoms and R 5 is as defined for R 4 or a benzyl or phenyl group.
Claim 22
Dependent Claim 47 words
A photographic process according to claim 12 wherein R 1 is amino of the formula --NR 4 R 5 wherein R 4 is hydrogen or alkyl of from 1 to 8 carbon atoms and R 5 is as defined for R 4 or is benzyl or phenyl.
Claim 23
Dependent Claim 21 words
A photographic process according to claim 12 wherein R 1 is alkyl or alkoxy having from 8 to 16 carbon atoms.
Claim 24
Dependent Claim 22 words
A photographic process according to claims 12 wherein R 2 is aryl or aryloxy having from 6 to 10 ring carbon atoms.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-09-15 1996-03-16 1996-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-09-15 2000-03-16 2000-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-09-15 2004-03-16 2004-09-15 $7700.00 Window Closed / Lapsed

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