US4622258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact lens cleaning article
Assignee: 3M Co
•
Filing: 1985-05-01
•
Granted: 1986-11-11
•
Expires: 2005-05-01
Abstract
Abstract An article and a method for cleaning a contact lens is disclosed, said method comprising providing a moistened non-woven fibrous web wherein the average fiber diameter is up to 50 microns, contacting and rubbing the lens with the fibrous web, and removing the lens from contact with the fibrous web.
Inventors
- 👤 Arlene J. Mencke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:55
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/008; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24595; Y10T428/24603; Y10T442/00; Y10T442/60; Y10T442/68; Y10T442/697
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
37 words
An article comprising a thermoplastic, polymeric, non-woven fibrous web having an average fiber diameter up to 50 microns and the web further comprises a surfactant physiologically acceptable to the eye, said article being a contact lens cleaner.
Claim 2
Dependent Claim
37 words
An article comprising a thermoplastic, polymeric, non-woven fibrous web having an average fiber diameter up to 50 microns and the web further comprises a surfactant physiologically acceptable to the eye, said article being a contact lens cleaner.
Claim 3
Dependent Claim
20 words
The article according to claim 1 wherein said web is microfibrous and has a fiber diameter up to 10 microns.
Claim 4
Dependent Claim
11 words
The article according to claim 1 wherein said surfactant is anionic.
Claim 5
Dependent Claim
28 words
The article according to claim 1 wherein said fibrous web is selected from webs consisting of polyethylene, polypropylene, polyamide, polystyrene, polyester, polyurethane, and copolymers, combinations, and blends thereof.
Claim 6
Dependent Claim
11 words
The article according to claim 1 contained in a sterile package.
Claim 7
Dependent Claim
13 words
The article according to claim 1 wherein said web is embossed or pillowed.
Claim 8
Dependent Claim
12 words
The article according to claim 1 further comprising an aqueous moistening composition.
Claim 9
Dependent Claim
13 words
The article according to claim 7 wherein said aqueous moistening composition is water.
Claim 10
Dependent Claim
11 words
The article according to claim 4 wherein said web is polyethylene.
Claim 11
Dependent Claim
11 words
The article according to claim 4 wherein said web is polyester.
Claim 12
Dependent Claim
32 words
The article according to claim 1 wherein said non-woven fibrous web is selected from the group consisting of polyalkylene, polyvinyl chloride, polyamide, polystyrene, polyarylsulfone, polyester, polyurethane, and combinations, blends and copolymers thereof.
Claim 13
Dependent Claim
17 words
The article according to claim 1 wherein said non-woven fibrous web has at least 80 percent voids.
Claim 14
Dependent Claim
11 words
The article according to claim 1 prepared by a melt-blowing technique.
Claim 15
Dependent Claim
42 words
A package comprising: an article comprising: a low linting, thermoplastic, polymeric, non-woven fibrous web having an average fiber diameter up to 50 micrometers, and the web further comprises a surfactant physiologically acceptable to the eye, said article being a contact lens cleaner.
Claim 16
Dependent Claim
42 words
A package comprising: an article comprising: a low linting, thermoplastic, polymeric, non-woven fibrous web having an average fiber diameter up to 50 micrometers, and the web further comprises a surfactant physiologically acceptable to the eye, said article being a contact lens cleaner.
Claim 17
Dependent Claim
23 words
The package according to claim 14 wherein said web of said article is microfibrous and has a fiber diameter up to 20 microns.
Claim 18
Dependent Claim
23 words
The package according to claim 14 wherein said web of said article is microfibrous and has a fiber diameter up to 10 microns.
Claim 19
Dependent Claim
35 words
The package according to claim 14 wherein said non-woven fibrous web of said article is selected from the group consisting of polyalkylene, polyvinyl chloride, polyamide, polystyrene, polyarylsulfone, polyester, polyurethane, and combinations, blends and copolymers thereof.
Claim 20
Dependent Claim
32 words
The package according to claim 14 wherein said non-woven fibrous web of said article is selected from webs consisting of polyethylene, polypropylene, polystyrene, polyester, polyurethane, polyamide, and combinations, blends and copolymers thereof.
Claim 21
Dependent Claim
10 words
The package according to claim 14 further comprising a surfactant.
Claim 22
Dependent Claim
11 words
The package according to claim 19 wherein said surfactant is anionic.
Claim 23
Dependent Claim
11 words
The package according to claim 14 wherein said article is sterile.
Claim 24
Dependent Claim
20 words
The package according to claim 14 wherein said non-woven fibrous web of said article has at least 80 percent voids.
Claim 25
Dependent Claim
18 words
The package according to claim 14 wherein said web of said article is prepared by a melt-blowing technique.
Claim 26
Dependent Claim
14 words
A roll of packages of the contact lens cleaning articles according to claim 14.
Claim 27
Dependent Claim
12 words
The package according to claim 14 further comprising an aqueous moistening composition.
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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) | 1989-11-10 | 1990-05-12 | 1990-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-10 | 1994-05-12 | 1994-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-10 | 1998-05-12 | 1998-11-11 | $7700.00 | Window Closed / Lapsed |