CA2257648A1 - Process for cleaning and disinfecting contact lenses - Google Patents
Process for cleaning and disinfecting contact lensesInfo
- Publication number
- CA2257648A1 CA2257648A1 CA2257648A CA2257648A CA2257648A1 CA 2257648 A1 CA2257648 A1 CA 2257648A1 CA 2257648 A CA2257648 A CA 2257648A CA 2257648 A CA2257648 A CA 2257648A CA 2257648 A1 CA2257648 A1 CA 2257648A1
- Authority
- CA
- Canada
- Prior art keywords
- cleaning
- contact lenses
- cleaning agent
- disinfecting contact
- lenses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
An improved process for removing protein deposits from contact lenses with a single solution is described. The process utilizes the cleaning effect of a cleaning agent in combination with the solvent action of water and physical agitation of the lens (i.e., by means of rubbing) to achieve a degree of cleaning which is comparable to or better than prior processes which utilize surfactant-cleaners. The cleaning agent is selected from polycarboxylates, polysulfonates and polyphosphates. The preferred cleaning agent is citrate. The process also offers greater convenience, relative to many prior systems for cleaning and disinfecting contact lenses, since the need to utilize additional products to clean the lenses is eliminated.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/113,142 | 1993-08-27 | ||
US08113142 US5370744B1 (en) | 1993-08-27 | 1993-08-27 | Process for cleaning and disinfecting contact lenses |
CA002146860A CA2146860C (en) | 1993-08-27 | 1994-08-24 | Process for cleaning and disinfecting contact lenses |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002146860A Division CA2146860C (en) | 1993-08-27 | 1994-08-24 | Process for cleaning and disinfecting contact lenses |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2257648A1 true CA2257648A1 (en) | 1995-03-02 |
CA2257648C CA2257648C (en) | 2000-10-17 |
Family
ID=25677901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002257648A Expired - Lifetime CA2257648C (en) | 1993-08-27 | 1994-08-24 | Process for cleaning and disinfecting contact lenses |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2257648C (en) |
-
1994
- 1994-08-24 CA CA002257648A patent/CA2257648C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2257648C (en) | 2000-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20140825 |