EP0334367A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Photographic light-sensitive material having a polyester film support
Assignee: Fujifilm Holdings Corp
•
Filing: 1989-03-23
•
Granted: —
•
Expires: 2009-03-23
Abstract
Abstract A photographic light-sensitive material is disclosed, which comprises a polyester film support having provided thereon at least one light-sensitive silver halide emulsion layer, the polyester film having a haze of up to 3% and a water content of not less than 0.5 wt%.
Inventors
- 👤 Seimi Satake
- 👤 Yoshihiko Shibahara
- 👤 Toshiaki Ueda
- 👤 Kenji Kida
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 18:55
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/795; G03C1/7954
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
41 words
A photographic light-sensitive material, which comprises a polyester film support having provided thereon at least one light-sensitive silver halide emulsion layer, said polyester film having a haze of up to 3% and a water content of not less than 0.5 wt%.
Claim 2
Dependent Claim
41 words
A photographic light-sensitive material, which comprises a polyester film support having provided thereon at least one light-sensitive silver halide emulsion layer, said polyester film having a haze of up to 3% and a water content of not less than 0.5 wt%.
Claim 3
Dependent Claim
51 words
The photographic light-sensitive material as claimed in claim 1, wherein said polyester film is a polyester film containing an aromatic dicarboxylic acid having a metal sulfonate as a copolymerization component and having a breaking strength of from 8 to 25 kg/mm² and an initial modulus of from 200 to 500 kg/mm².
Claim 4
Dependent Claim
39 words
The photographic light-sensitive material as claimed in claim 2, wherein said polyester film containing an aromatic dicarboxylic acid having a metal sulfonate as a copolymerization component further comprises an aliphatic dicarboxylic acid component containing 4 to 20 carbon atoms.
Claim 5
Dependent Claim
52 words
The photographic light-sensitive material as claimed in claim 3, wherein said polyester film mainly comprises terephthalic acid as a dicarboxylic acid component, and said aliphatic dicarboxylic acid component having 4 to 20 carbon atoms is present in a copolymerization proportion of from 3 to 25 mol% based on the terephthalic acid component.
Claim 6
Dependent Claim
21 words
The photographic light-sensitive material as claimed in claims 1 to 3, wherein said polyester film is a copolymerized polyethylene terephthalate film.
Claim 7
Dependent Claim
23 words
The photographic light-sensitive material as claimed in claim 1, wherein the polyester film has a water content of from 0.6 to 5.0 wt%.
Claim 8
Dependent Claim
64 words
The photographic light-sensitive material as claimed in claims 2 or 3, wherein said aromatic dicarboxylic acid having a metal sulfonate is selected from the group consisting of 5-sodium sulfoisophthalic acid, 5-potassium sulfoisophthalic acid, 5-lithium sulfoisophthalic acid, 2-sodium sulfoterephthalic acid, 2-potassium sulfoterephthalic acid, 2-lithium sulfoterephthalic acid, 4-sodium sulfophthalic acid, 4-potassium sulfophthalic acid, 4-lithium sulfophthalic acid, 4-sodium sulfo-2,6-naphthalenedicarboxylic acid, 4-potassium sulfo-2,6-naphthalenedicarboxylic acid, and 4-lithium sulfo-2,6-naphthalenedicarboxylic acid.
Claim 9
Dependent Claim
49 words
The photographic light-sensitive material as claimed in claims 2 or 3, wherein said polyester film mainly comprises terephthalic acid as a dicarboxylic acid component, and the copolymerization amount of said aromatic dicarboxylic acid component having metal sulfonate group is 2 to 15 mol% based on the terephthalic acid component.
Claim 10
Dependent Claim
29 words
The photographic light-sensitive material as claimed in claim 3, wherein said aliphatic dicarboxylic acid component is selected from the group consisting of succinic acid, adipic acid and sebacic acid.
Claim 11
Dependent Claim
49 words
The photographic light-sensitive material as claimed in claim 3, wherein said polyester film mainly comprises terephthalic acid as a dicarboxylic acid component, and the amount of the copolymerizable aliphatic dicarboxylic acid containing 4 to 20 carbon atoms is from 3 to 25 mol% based on the terephthalic acid component.
Claim 12
Dependent Claim
20 words
The photographic light-sensitive material as claimed in claim 10, wherein a polyalkylene glycol is used as an additional copolymerizable component.
Claim 13
Dependent Claim
16 words
The photographic light-sensitive material as claimed in claim 5, wherein said polyester film contains a dye.
Claim 14
Dependent Claim
20 words
The photographic light-sensitive material as claimed in claim 5, wherein said polyester film has a subbing layer on its surface.
Claim 15
Dependent Claim
17 words
The photographic light-sensitive material as claimed in claim 1, wherein said light-sensitive material is a roll film.
Claim 16
Dependent Claim
24 words
The photographic light-sensitive material as claimed in claims 1, 2 or 3, wherein said polyester film has a curl-extinguishing ratio of 50% or more.
Claim 17
Dependent Claim
21 words
The photographic light-sensitive material as claimed in claim 15, wherein said polyester film has a curl-extinguishing ratio of 80% or more.
Claim 18
Dependent Claim
25 words
The photographic light-sensitive material as claimed in claims 1, 2 or 3, wherein said polyester film has a thickness of from 25 to 250 µm.
Claim 19
Dependent Claim
22 words
The photographic light-sensitive material as claimed in claim 17, wherein said polyester film has a thickness of from 40 to 150 µm.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.