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US4801583A
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Oligosaccharides and their biological applications
Assignee: CIVILE DE GESTION DE DROITS DE PROPRIETE INDUSTRIELLE CHOAY "DROPIC" Ste
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Filing: 1985-05-15
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Granted: 1989-01-31
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Expires: 2005-05-15
Abstract
Abstract The oligosaccharides of the invention contain or are constituted by a tetrasaccharide enchainment of the formula: <IMAGE> +TR <IMAGE> in which R1 represents an organic anion, R2 is identical to R1 or represents a hydrogen atom, N1 and N2 represent a functional amino group.
Inventors
- 👤 Maurice Petitou
- 👤 Jean-Claude Lormeau
- 👤 Jean Choay
- 👤 Jean-Claude Jacquinet
- 👤 Pierre Sinay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
C; C07; C07H; C07H3/00; C07H3/06; C02; C02F; C02F3/00; C02F3/28; C07H11/00; C07H7/00; C07H7/02; C07H7/033; C07H9/00; C07H9/02; C07H9/04; C08; C08B; C08B37/00; C08B37/006; C08B37/0063; C08B37/0075; C08B37/0078
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
8 words
A pure, synthetic tetrasaccharide having the formula ##STR10##
Claim 2
Dependent Claim
8 words
A pure, synthetic tetrasaccharide having the formula ##STR10##
Claim 3
Dependent Claim
8 words
A pure, synthetic tetrasaccharide having the formula ##STR11##
Claim 4
Dependent Claim
8 words
A pure, synthetic tetrasaccharide having the formula ##STR11##
Claim 5
Dependent Claim
26 words
The pure synthetic tetrasaccharide of claim 1 wherein a salt is formed with a cation selected from the group consisting of sodium, magnesium, calcium, and triethylammonium.
Claim 6
Dependent Claim
26 words
The pure synthetic tetrasaccharide of claim 2 wherein a salt is formed with a cation selected from the group consisting of sodium, magnesium, calcium, and triethylammonium.
Claim 7
Dependent Claim
21 words
The fibrinolytic pharmaceutical composition which comprises a pharmaceutically acceptable carrier and a therapeutically effective amount of the tetrasaccharide of claim 1.
Claim 8
Dependent Claim
21 words
The fibrinolytic pharmaceutical composition which comprises a pharmaceutically acceptable carrier and a therapeutically effective amount of the tetrasaccharide of claim 2.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-01-31 | 1992-08-01 | 1993-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-01-31 | 1996-08-01 | 1997-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-01-31 | 2000-08-01 | 2001-01-31 | $7700.00 | Window Closed / Lapsed |