US4908295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic support
Assignee: Fujifilm Holdings Corp
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Filing: 1989-01-26
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Granted: 1990-03-13
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Expires: 2009-01-26
Abstract
Abstract A photographic support having a secondary diffuse-reflective surface is disclosed, wherein a thin metal layer is provided on the matted surface of a substrate and the center plane average roughness, as determined by a three dimensional roughness measuring apparatus, of the thin metal layer is 0.1 to 1.2 μm.
Inventors
- 👤 Tetsuro Fuchizawa
- 👤 Kazuyuki Koike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:33
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; Y; Y10; Y10S; Y10S430/00; Y10S430/151; Y10T; Y10T428/00; Y10T428/31; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
62 words
A photographic support having a secondary diffuse-reflective surface wherein a thin metal layer having a secondary diffuse-reflectivity is provided on the matted surface of a substrate, and an adhesive layer is provided on the thin metal layer, and the center plane average roughness, as determined by a three dimensional roughness measuring apparatus, of the thin metal layer is 0.1 to 1.2 μm.
Claim 2
Dependent Claim
62 words
A photographic support having a secondary diffuse-reflective surface wherein a thin metal layer having a secondary diffuse-reflectivity is provided on the matted surface of a substrate, and an adhesive layer is provided on the thin metal layer, and the center plane average roughness, as determined by a three dimensional roughness measuring apparatus, of the thin metal layer is 0.1 to 1.2 μm.
Claim 3
Dependent Claim
44 words
The photographic support as claimed in claim 1, wherein the adhesive layer comprises (1) 40 to 95% by weight of a copolymer of vinylidene chloride, vinyl chloride, vinyl acetate and maleic anhydride and (2) 5 to 60% by weight of a polyurethane urea resin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-12 | 1993-09-11 | 1994-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-12 | 1997-09-11 | 1998-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-12 | 2001-09-11 | 2002-03-13 | $7700.00 | Window Closed / Lapsed |