US4483873A
Expired / Lapsed
US
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Aqueous solution containing ubidecarenone
Assignee: Eisai Co Ltd
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Filing: 1982-12-23
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Granted: 1984-11-20
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Expires: 2002-12-23
Abstract
Abstract An aqueous solution containing ubidecarenone which is characterized by the fact that a hydrogenated lecithin is incorporated. This solution is stable and free side effects.
Inventors
- 👤 Hiroyuki Ohashi
- 👤 Toru Takami
- 👤 Noritoshi Koyama
- 👤 Yoshio Kogure
- 👤 Katsumi Ida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/12; A61K47/00; A61K47/06; A61K47/24; A61K9/00; A61K9/0012; A61K9/0019
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
42 words
An aqueous pharmaceutical solution comprising 0.1 to 10% ubidecarenone and 0.2 to 15 parts by weight per part by weight of ubidecarenone of a hydrogenated lecithin containing at least 85% of phospholipid components and having an iodine value of 10 to 60.
Claim 2
Dependent Claim
42 words
An aqueous pharmaceutical solution comprising 0.1 to 10% ubidecarenone and 0.2 to 15 parts by weight per part by weight of ubidecarenone of a hydrogenated lecithin containing at least 85% of phospholipid components and having an iodine value of 10 to 60.
Claim 3
Dependent Claim
64 words
An aqueous pharmaceutical solution according to claim 1 which also contains (a) 20 to 50 parts by weight per part by weight of ubidecarenone of a water-soluble solvent, the solvent corresponding to 2 to 10% based on the aqueous solution, and (b) 1 to 10% of an isotonizing agent based on the aqueous solution, or a mixture of the solvent and the isotonizing agent.
Claim 4
Dependent Claim
29 words
An aqueous solution according to claim 2 wherein the water-soluble solvent is a member selected from the group consisting of propylene glycol, low molecular weight polyethylene glycol and glycerol.
Claim 5
Dependent Claim
25 words
An aqueous solution according to claim 2 wherein the isotonizing agent is a member selected from the group consisting of glucose, xylite, sorbite and mannite.
References Cited (Backward Citations)
US4068001A
Cited
US4325942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-11-20 | 1988-05-21 | 1988-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-20 | 1992-05-21 | 1992-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-20 | 1996-05-21 | 1996-11-20 | $7700.00 | Window Closed / Lapsed |