US3821383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for and a method of treating diabetic complications
Assignee: Wyeth Canada Inc
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Filing: 1972-07-10
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Granted: 1974-06-28
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Expires: 1992-07-10
Abstract
Abstract New pharmaceutical compositions, including methods for their preparation and for their use in preventing or relieving diabetic complications are disclosed. More specifically, the pharmaceutical compositions of this invention comprises 1,3dioxo-1H-benz( de)isoquinoline-2(3H)-acetic acid, and optionally substituted derivatives thereof together with their pharamaceutically acceptable salts.
Inventors
- 👤 K Sestanj
- 👤 N Simard-Duquesne
- 👤 D Dvornik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:59
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/04; C07D221/06; C07D221/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
32 words
A pharmaceutical composition for preventing or relieving diabetes mellitus associated complications consisting of cataracts, neuropathy, nephropathy and retinopathy in a diabetic mammal containing as the active ingredient a compound of the formula
Claim 2
Dependent Claim
33 words
A pharmaceutical composition for topical application for preventing or relieving diabetes mellitus associated complications consisting of cataracts and retinopathy in a diabetic mammal containing as the active ingredient a compound of the formula
Claim 3
Independent Claim
48 words
A method of preventing or relieving diabetes mellitus associated complications consisting of cataracts and retinopathy in a diabetic mammal which comprises topically administering to said mammal an alleviating or prophylactic amount of a sterile aqueous solution containing 0.5 to 2% by volume of a compound of the formula
Claim 4
Independent Claim
39 words
A method of preventing or relieving diabetes mellitus associated complications consisting of neuropathy and nephropathy in a diabetic mammal which comprises oralLy or parenterally administering to said mammal an alleviating or prophylactic amount of a compound of the formula
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |