US4323577A
Expired / Lapsed
US
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Aqueous solution of nitroglycerin
Assignee: Nippon Kayaku Co Ltd
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Filing: 1980-11-03
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Granted: 1982-04-06
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Expires: 2000-11-03
Abstract
Abstract An aqueous solution of nitroglycerin comprising at least one substance selected from among sorbitol, mannitol and xylitol in addition to nitroglycerin, and having a high degree of stability for storage.
Inventors
- 👤 Takaaki Ohkuma
- 👤 Hiroshi Ninomiya
- 👤 Masaaki Nakamura
- 👤 Genichi Idzu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:22
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/21; A61K9/00; A61K9/14; A61K9/141; A61K9/145
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
71 words
An aqueous solution of nitroglycerin comprising: an amount of nitroglycerin in the range 0.1 to 1.0 mg of nitroglycerin per milliliter of said solution; and an amount of a component consisting of at least one substance selected from the group consisting of sorbitol, mannitol and xylitol in the range 25 to 150 mg of said component per milliliter of said solution, said solution having a pH value of 3 to 8.
Claim 2
Dependent Claim
71 words
An aqueous solution of nitroglycerin comprising: an amount of nitroglycerin in the range 0.1 to 1.0 mg of nitroglycerin per milliliter of said solution; and an amount of a component consisting of at least one substance selected from the group consisting of sorbitol, mannitol and xylitol in the range 25 to 150 mg of said component per milliliter of said solution, said solution having a pH value of 3 to 8.
Claim 3
Dependent Claim
21 words
An aqueous solution of nitroglycerin as set forth in claim 1, containing 40 to 100 mg of said component per milliliter.
Claim 4
Dependent Claim
20 words
An aqueous solution of nitroglycerin as set forth in claim 1, containing 0.25 to 0.6 mg of nitroglycerin per milliliter.
Claim 5
Dependent Claim
71 words
An aqueous solution of nitroglycerin comprising: an amount of nitroglycerin in the range 0.25 to 0.6 mg of nitroglycerin per milliliter of said solution; and an amount of a component consisting of at least one substance selected from the group consisting of sorbitol, mannitol and xylitol in the range 40 to 100 mg of said component per milliliter of said solution, said solution having a pH value of 3 to 8.
Claim 6
Dependent Claim
71 words
An aqueous solution of nitroglycerin comprising: an amount of nitroglycerin in the range 0.25 to 0.6 mg of nitroglycerin per milliliter of said solution; and an amount of a component consisting of at least one substance selected from the group consisting of sorbitol, mannitol and xylitol in the range 40 to 100 mg of said component per milliliter of said solution, said solution having a pH value of 3 to 8.
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) | 1985-04-05 | 1985-10-05 | 1986-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-05 | 1989-10-05 | 1990-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-05 | 1993-10-05 | 1994-04-06 | $7700.00 | Window Closed / Lapsed |