US5007928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intraocular implant having coating layer
Assignee: Canon Inc
•
Filing: 1989-05-26
•
Granted: 1991-04-16
•
Expires: 2009-05-26
Abstract
Abstract The intraocular implant comprises a lens substrate and a coating layer with an adhesion layer provided therebetween, the adhesion layer comprising a specific compound.
Inventors
- 👤 Moriyuki Okamura
- 👤 Ikuo Nakajima
- 👤 Toshiji Nishiguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:15
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/14; A61F2/16; A61F2/1613; A61L; A61L27/00; A61L27/28; A61L27/34; A61L27/50; A61F2/0077; A61F2002/0081; A61L2430/00; A61L2430/16
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
78 words
An intraocular implant comprising: a lens substrate; a coating layer formed of a first material; and an adhesion layer disposed between said lens substrate and said coating layer, said adhesion layer comprising a second material different from said first material, said second material having at least one compound selected from the group consisting of: (a) a hydrocarbon compound; (b) a halogenated hydrocarbon compound; (c) a hetero-element-containing hydrocarbon compound; (d) an organic metal compound; and (e) an organosilane compound.
Claim 2
Dependent Claim
78 words
An intraocular implant comprising: a lens substrate; a coating layer formed of a first material; and an adhesion layer disposed between said lens substrate and said coating layer, said adhesion layer comprising a second material different from said first material, said second material having at least one compound selected from the group consisting of: (a) a hydrocarbon compound; (b) a halogenated hydrocarbon compound; (c) a hetero-element-containing hydrocarbon compound; (d) an organic metal compound; and (e) an organosilane compound.
Claim 3
Dependent Claim
23 words
The intraocular implant according to claim 1, wherein said lens substrate comprises polymethyl methacrylate, hydroxyl methacrylate, a silicone resin, or a polyurethane resin.
Claim 4
Dependent Claim
15 words
The intraocular implant according to claim 1, wherein said adhesion layer is a plasma-polymerized film.
Claim 5
Dependent Claim
15 words
The intraocular implant according to claim 3, wherein said coating layer is a plasma-polymerized film.
Claim 6
Dependent Claim
16 words
The intraocular implant according to claim 3, wherein said coating layer is a vacuum deposition film.
Claim 7
Dependent Claim
16 words
The intraocular implant according to claim 1, wherein said coating layer is a hydrophilic coating layer.
Claim 8
Dependent Claim
18 words
The intraocular implant according to claim 1, wherein said coating layer is an ultraviolet light screening coating layer.
Claim 9
Dependent Claim
16 words
The intraocular implant according to claim 1, wherein said coating layer is an anti-dissolving coating layer.
Claim 10
Dependent Claim
17 words
The intraocular implant according to claim 1, wherein said coating layer is a wear resistance ocoating layer.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1994-04-15 | 1994-10-15 | 1995-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-15 | 1998-10-15 | 1999-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-15 | 2002-10-15 | 2003-04-16 | $7700.00 | Window Closed / Lapsed |