US4826872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmaceutical composition for treatment of cataract
Assignee: Senju Pharmaceutical Co Ltd
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Filing: 1987-11-17
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Granted: 1989-05-02
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Expires: 2007-11-17
Abstract
Abstract The present invention relates to a treatment of cataract by administering a compound of the formula: ##STR1## wherein n is an integer of 8 to 20, and use thereof. The compound (I) of this invention has an excellent therapeutic effect against various types of cataract.
Inventors
- 👤 Shinji Terao
- 👤 Mitsuyoshi Azuma
- 👤 Noriko Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:28
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/365
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
50 words
A method for treatment of a cataract, which comprises administering to a mammal suffering therefrom a therapeutically effective cataract retarding amount of a compound of the formula: ##STR3## wherein n is an integer of 8 to 20, in the form of a tablet, a capsule, eyedrops or an eye ointment.
Claim 2
Independent Claim
50 words
A method for treatment of a cataract, which comprises administering to a mammal suffering therefrom a therapeutically effective cataract retarding amount of a compound of the formula: ##STR3## wherein n is an integer of 8 to 20, in the form of a tablet, a capsule, eyedrops or an eye ointment.
Claim 3
Dependent Claim
15 words
The method according to claim 1, wherein n is an integer of 9 to 18.
Claim 4
Dependent Claim
20 words
The method according to claim 2, wherein n is an integer of 9 to 17 to form a straight-chain alkyl.
Claim 5
Dependent Claim
10 words
The method according to claim 3, wherein n is 9.
Claim 6
Dependent Claim
10 words
The method according to claim 3, wherein n is 17.
Claim 7
Dependent Claim
16 words
The method according to claim 1, wherein the compound is administered in the form of eye-drops.
Claim 8
Dependent Claim
21 words
The method according to claim 6, wherein the eye-drops contains the compound in an amount of about 0.001 to 3% (W/V).
Claim 9
Dependent Claim
12 words
The method according to claim 6, wherein the eye-drops further contains preservative.
Claim 10
Dependent Claim
17 words
The method according to claim 6, wherein the eye-drops are in the form of an aqueous solution.
Claim 11
Dependent Claim
17 words
The method according to claim 6, wherein the eye-drops are in the form of an aqueous suspension.
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) | 1992-05-01 | 1992-10-31 | 1993-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-01 | 1996-10-31 | 1997-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-01 | 2000-10-31 | 2001-05-02 | $7700.00 | Window Closed / Lapsed |