US4004927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic light-sensitive material containing liquid organopolysiloxane
Assignee: Fujifilm Holdings Corp
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Filing: 1975-02-03
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Granted: 1977-01-25
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Expires: 1995-02-03
Abstract
Abstract A photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and with at least one photographic layer of the photographic light-sensitive material containing a liquid organopolysiloxane having therein at least one siloxane unit, in which (1) a methyl group and (2) an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group with each group having at least 5 carbon atoms are attached to the silicon atom of the siloxane unit.
Inventors
- 👤 Nobuo Yamamoto
- 👤 Kiyotaka Hori
- 👤 Masakazu Yoneyama
- 👤 Yasuhiro Nakayama
- 👤 Akira Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/7614; G03C1/005; G03C1/04; Y; Y10; Y10S; Y10S430/00; Y10S430/162
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
96 words
A photograhic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and with at least one photographic layer of the photographic light-sensitive material containing a liquid organopolysiloxane having therein at least one siloxane unit in which (1) a methyl group and (2) a member of the group consisting of an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group, each member of said group (2) having at least 5 carbon atoms, are attached to the silicon atom of the siloxane unit.
Claim 2
Dependent Claim
96 words
A photograhic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and with at least one photographic layer of the photographic light-sensitive material containing a liquid organopolysiloxane having therein at least one siloxane unit in which (1) a methyl group and (2) a member of the group consisting of an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group, each member of said group (2) having at least 5 carbon atoms, are attached to the silicon atom of the siloxane unit.
Claim 3
Dependent Claim
60 words
The photographic light-sensitive material according to claim 1, wherein said liquid organopolysiloxane is a cyclic organopolysiloxane having therein a siloxane unit represented by the following general formula (I): ##STR9##wherein R 1 has from 5 to 20 total carbon atoms and represents an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group.
Claim 4
Dependent Claim
110 words
The photographic light-sensitive material according to claim 1, wherein said organopolysiloxane is a straight-chain organopolysloxane having therein a siloxane unit represented by the following formula (I): ##STR10##wherein R 1 has from 5 to 20 total carbon atoms and represents an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group; and has terminal groups represented by the following general formula (II): ##STR11##wherein R 2 represents (a) an alkyl group having from 1 to 20 carbon atoms or (b) a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group, each having from 5 to 20 carbon atoms.
Claim 5
Dependent Claim
135 words
The photographic light-sensitive material according to claim 1, wherein said polyorganosiloxane is a compound having therein siloxane units of the following formulas (III) or (IV): ##STR12##wherein R 1 has from 5 to 20 total carbon atoms and represents an alkyl group, a cycloalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group; R 2 represents (a) an alkyl group having from 1 to 20 carbon atoms or (b) a cycloalkyl group, an alkoxyalkyl group, aralkyl group, an aryloxyalkyl group or a 2,3-epoxypropyloxyalkyl group, each having from 5 to 20 carbon atoms; 1 represents 0 or a positive integer; m represents a positive integer; and 1+m represents a positive integer of 1 to 1,000; and has terminal groups represented by the general formula (II) ##STR13##wherein R 2 is as described above
Claim 6
Dependent Claim
22 words
The photographic light-sensitive material according to claim 1, wherein said organopolysiloxane is present in an outermost layer of said photographic light-sensitive material.
Claim 7
Dependent Claim
34 words
The photographic light-sensitive material according to claim 5, wherein said organopolysiloxane is present in an amount of from about 0.02 to about 10% by weight based on the solid content of said outermost layer.
Claim 8
Dependent Claim
74 words
The photographic light-sensitive material of claim 2, wherein R 1 is a pentyl group, a methylpentyl group, a cyclopentyl group, a cyclohexyl group, a dimethylpentyl group, a heptyl group, a methylhexyl group, an octyl group, an eicosyl group, a phenyl-ethyl group, a methylphenylethyl group, a phenylpropyl group, a cyclohexylpropyl group, a dibenzyloxypropyl group, a phenoxy-propyl group, tolyloxypropyl group, an ethoxypropyl group, a butoxypropyl group, an octadecyloxypropyl group, a 2,3-epoxypropyloxypropyl group, or a 2,3-epoxypropyloxybutyl group.
Claim 9
Dependent Claim
106 words
The photographic light-sensitive material according to claim 3, wherein R 1 is a pentyl group, a methylpentyl group, a cyclopentyl group, a cyclohexyl group, a dimethylpentyl group, a heptyl group, a methylhexyl group, an octyl group, an eicosyl group, a phenylethyl group, a methylphenylethyl group, a phenyl-propyl group, a cyclohexylpropyl group, a dibenzyloxypropyl group, a phenoxypropyl group, tolyloxypropyl group, an ethoxypropyl group, a butoxypropyl group, an octadecyloxypropyl group, a 2,3-epoxypropyloxypropyl group, or a 2,3-epoxypropyloxybutyl group and R 2 is a methyl group, an ethyl group, a propyl group, an n-butyl group, a sec-butyl group, a tert-butyl group and those groups as defined for R 1 .
Claim 10
Dependent Claim
106 words
The photographic light-sensitive material according to claim 4, wherein R 1 is a pentyl group, a methylpentyl group, a cyclopentyl group, a cyclohexyl group, a dimethylpentyl group, a heptyl group, a methylhexyl group, an octyl group, an eicosyl group, a phenylethyl group, a methylphenylethyl group, a phenylpropyl group, a cyclohexylpropyl group, a dibenzyloxypropyl group, a phenoxypropyl group, tolyloxypropyl group, an ethoxypropyl group, a butoxypropyl group, an octadecyloxypropyl group, a 2,3-epoxypropyloxypropyl group, or a 2,3-epoxypropyloxybutyl group and R 2 is a methyl group, an alkyl group, a propyl group, an n-butyl group, a sec-butyl group, a tert-butyl group and those groups as defined for R 1 .
Claim 11
Dependent Claim
18 words
The photographic light-sensitive material according to claim 4, wherein 1+m represents a positive integer of 2 to 500.
Claim 12
Dependent Claim
40 words
The photographic light-sensitive material according to claim 3, wherein said organopolysiloxane comprises 10 to 80 mole % of dimethylsiloxane units of the general formula (II) and 20 to 90 mole % of siloxane units represented by the general formula (I).
Claim 13
Dependent Claim
22 words
The photographic light-sensitive material of claim 1, wherein said organopolysiloxane has a refractive index of 25° C of about 1.405 to 1.650.
Claim 14
Dependent Claim
22 words
The photographic light-sensitive material of claim 1, wherein said organopolysiloxane has a viscosity at 25° C of about 20 to 100,000 centistokes.
Claim 15
Dependent Claim
25 words
The photographic light-sensitive material according to claim 1, wherein the particle size of said organopolysiloxane in said layer ranges from about 0.1 to 10 microns.
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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) | 1980-01-25 | 1980-07-26 | 1981-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-25 | 1984-07-26 | 1985-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-25 | 1988-07-26 | 1989-01-25 | $7700.00 | Window Closed / Lapsed |