US4885361A
Expired / Lapsed
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Sulfated oligosaccharides
Assignee: F Hoffmann La Roche AG
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Filing: 1988-07-20
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Granted: 1989-12-05
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Expires: 2008-07-20
Abstract
Abstract Novel compounds with anti-proliferative and mucosaprotective activity are obtained by sulfating trestatins.
Inventors
- 👤 Hans P. Wessel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:06
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; A; A61; A61P; A61P1/00; A61P1/04; A61P9/00; A61P9/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
48 words
Compounds containing a plurality of monosaccharides of the formula ##STR2## wherein n is a whole number of from 1 to 3; R is hydrogen or a residue --SO 3 M and M is a cation; said compounds containing a degree of sulfation per monosaccharide of at least 1.
Claim 2
Dependent Claim
48 words
Compounds containing a plurality of monosaccharides of the formula ##STR2## wherein n is a whole number of from 1 to 3; R is hydrogen or a residue --SO 3 M and M is a cation; said compounds containing a degree of sulfation per monosaccharide of at least 1.
Claim 3
Dependent Claim
15 words
The compounds of claim 1 wherein the degree of sulfation is from 2 to 3.
Claim 4
Dependent Claim
7 words
The compounds of claim 1, wherein n=2.
Claim 5
Dependent Claim
13 words
The compounds of claim 2, wherein the degree of sulfation is about 2.4.
References Cited (Backward Citations)
US4273765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1992-12-04 | 1993-06-05 | 1993-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-12-04 | 1997-06-05 | 1997-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-12-04 | 2001-06-05 | 2001-12-05 | $7700.00 | Window Closed / Lapsed |