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US4098995A
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Polygalactosido-sucrose poly(h-)sulfate salts
Assignee: Wyeth Holdings LLC
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Filing: 1976-07-12
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Granted: 1978-07-04
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Expires: 1996-07-12
Abstract
Abstract Polygalactosido-sucrose Poly(H-)sulfate and salts thereof useful as complement inhibitors.
Inventors
- 👤 Vijay Gopalan Nair
- 👤 Joseph Peter Joseph
- 👤 Seymour Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:47
CPC Classifications
C; C07; C07H; C07H11/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
58 words
A compound selected from those of the formula: ##STR2## wherein X is --SO 3 R; R is hydrogen, alkali metal, alkaline earth metal, ammonium and substituted ammonia selected from the group comprising trialkylamine (C 1 -C 6 ); piperidine, pyrazine; cycloalkanolamine (C 3 -C 6 ); alkanolamine (C 1 -C 6 ); and n is 0 to 7.
Claim 2
Dependent Claim
58 words
A compound selected from those of the formula: ##STR2## wherein X is --SO 3 R; R is hydrogen, alkali metal, alkaline earth metal, ammonium and substituted ammonia selected from the group comprising trialkylamine (C 1 -C 6 ); piperidine, pyrazine; cycloalkanolamine (C 3 -C 6 ); alkanolamine (C 1 -C 6 ); and n is 0 to 7.
Claim 3
Dependent Claim
10 words
A compound according to claim 1, raffinose poly(H-)sulfate triethylamine salt.
Claim 4
Dependent Claim
10 words
A compound according to claim 1, raffinose poly(H-)sulfate trimethylamine salt.
Claim 5
Dependent Claim
10 words
A compound according to claim 1, raffinose poly(H-)sulfate sodium salt.
Claim 6
Dependent Claim
10 words
A compound according to claim 1, stachyose poly(H-)sulfate triethylamine salt.
Claim 7
Dependent Claim
10 words
A compound according to claim 1, stachyose poly(H-)sulfate trimethylamine salt.
Claim 8
Dependent Claim
10 words
A compound according to claim 1, stachyose poly(H-)sulfate sodium salt.
Claim 9
Dependent Claim
10 words
A compound according to claim 1, verbascose poly(H-)sulfate sodium salt.
Claim 10
Dependent Claim
10 words
A compound according to claim 1, verbascose poly(H-)sulfate trimethylamine salt.
Claim 11
Dependent Claim
10 words
A compound according to claim 1, verbascose poly(H-)sulfate triethylamine salt.
Claim 12
Dependent Claim
10 words
A compound according to claim 1, ajugose poly(H-)sulfate sodium salt.
Claim 13
Dependent Claim
10 words
A compound according to claim 1, ajugose poly(H-)sulfate triethylamine salt.
Claim 14
Dependent Claim
10 words
A compound according to claim 1, ajugose poly(H-)sulfate trimethylamine salt.
References Cited (Backward Citations)
US3017407A
Cited
US3413284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-03 | 1982-01-02 | 1982-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-03 | 1986-01-02 | 1986-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-03 | 1990-01-02 | 1990-07-04 | $7700.00 | Window Closed / Lapsed |