US4020160A
Expired / Lapsed
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Cyclodextrin sulfate salts as complement inhibitors
Assignee: Wyeth Holdings LLC
•
Filing: 1975-08-15
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Granted: 1977-04-26
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Expires: 1995-08-15
Abstract
Abstract A method of inhibiting the complement system in a body fluid containing complement with cyclodextrin sulfate salts.
Inventors
- 👤 Seymour Bernstein
- 👤 Joseph Peter Joseph
- 👤 Vijay Nair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:22
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0012
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
35 words
A method of inhibiting the complement system in a warm-blooded animal in need of such therapy which comprises internally administering to said animal an effect complement inhibiting amount of a pharmaceutically acceptable cyclodextrin polysulfate salt.
Claim 2
Independent Claim
35 words
A method of inhibiting the complement system in a warm-blooded animal in need of such therapy which comprises internally administering to said animal an effect complement inhibiting amount of a pharmaceutically acceptable cyclodextrin polysulfate salt.
Claim 3
Dependent Claim
12 words
A method according to claim 1 wherein the salt is administered intra-articularly.
Claim 4
Dependent Claim
14 words
A method according to claim 1 wherein the salt is α-cyclodextrin polysulfate triethylammonium salt.
Claim 5
Dependent Claim
14 words
A method according to claim 1 whereinn the salt is α-cyclodextrin polysulfate sodium salt.
Claim 6
Dependent Claim
14 words
A method according to claim 1 wherein the salt is β-cyclodextrin polysulfate triethylammonium salt.
Claim 7
Dependent Claim
14 words
A method according to claim 8 wherein the salt is β-cyclodextrin polysulfate sodium salt.
Claim 8
Dependent Claim
14 words
A method according to claim 1 wherein the salt is β-cyclodextrin polysulfate potassium salt.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |