US4221907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted O-α-D and O-β-D-multi-galactopyranosyl and glucopyranosyl 1→4 and 1→6 galactopyranosyl 1→6 α-D-glucopyranoses
Assignee: Wyeth Holdings LLC
•
Filing: 1979-07-09
•
Granted: 1980-09-09
•
Expires: 1999-07-09
Abstract
Abstract O-α-D (and O-β-D) multi-galactopyranosyl (and glucopyranosyl) 1→4 (and 1→6) galactopyranosyl 1→6-α-D-glucopyranose sulfate salts which are useful as complement inhibitors.
Inventors
- 👤 Vijay G. Nair
- 👤 Joseph P. Joseph
- 👤 Seymour Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:26
CPC Classifications
C; C07; C07H; C07H3/00; C07H3/04; C07H3/06
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
31 words
A compound of the formula: ##STR18## wherein X is SO 3 A; wherein A is a pharmaceutically acceptable salt cation; and R is selected from the group consisting of OX, ##STR19##
Claim 2
Dependent Claim
31 words
A compound of the formula: ##STR18## wherein X is SO 3 A; wherein A is a pharmaceutically acceptable salt cation; and R is selected from the group consisting of OX, ##STR19##
Claim 3
Dependent Claim
14 words
The compound according to claim 1, gal 1α,6 glc octakis (H-sulfate), octasalt with trimethylamine.
Claim 4
Dependent Claim
13 words
The compound according to claim 1, gal 1α,6 glc octakis (H-sulfate), octasodium salt.
Claim 5
Dependent Claim
16 words
The compound according to claim 1, gal 1β,6 gal 1α,6 glc undecakis (H-sulfate), undecasalt with trimethylamine.
Claim 6
Dependent Claim
15 words
The compound according to claim 1, gal 1β,6 gal 1α,6 glc undecakis (H-sulfate), undecasodium salt.
Claim 7
Dependent Claim
18 words
The compound according to claim 1, gal 1α,6 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasalt with trimethylamine.
Claim 8
Dependent Claim
17 words
The compound according to claim 1, gal 1α,6 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasodium salt.
Claim 9
Dependent Claim
18 words
The compound according to claim 1, glc 1α,4 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasalt with trimethylamine.
Claim 10
Dependent Claim
17 words
The compound according to claim 1, glc 1α,4 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasodium salt.
Claim 11
Dependent Claim
18 words
The compound according to claim 1, glc 1β,4 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasalt with trimethylamine.
Claim 12
Dependent Claim
17 words
The compound according to claim 1, glc 1β,4 glc 1β,6 gal 1α,6 glc tetradecakis (H-sulfate), tetradecasodium salt.
Claim 13
Dependent Claim
19 words
The compound according to claim 1, (glc 1α,4) 2 glc 1β,6 gal 1α,6 glc heptadecakis (H-sulfate), heptadecasalt with trimethylamine.
Claim 14
Dependent Claim
18 words
The compound according to claim 1, (glc 1α,4) 2 glc 1β,6 gal 1α,6 glc heptadecakis (H-sulfate), heptadecasodium salt.
Claim 15
Dependent Claim
19 words
The compound according to claim 1, (glc 1α,4) 6 glc 1β,6 gal 1α,6 glc nonacosakis (H-sulfate), nonacosasalt with trimethylamine.
Claim 16
Dependent Claim
18 words
The compound according to claim 1, (glc 1α,4) 6 glc 1β,6 gal 1α,6 glc nonacosakis (H-sulfate), nonacosasodium salt.
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) | 1983-09-09 | 1984-03-10 | 1984-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-09 | 1988-03-10 | 1988-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-09 | 1992-03-10 | 1992-09-09 | $7700.00 | Window Closed / Lapsed |