US4189471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunologic glycolipid adjuvants
Assignee: Merck and Co Inc
•
Filing: 1978-07-11
•
Granted: 1980-02-19
•
Expires: 1998-07-11
Abstract
Abstract Glycolipid compounds of the formulae <IMAGE> +TR <IMAGE> wherein R is <IMAGE> are useful immunologic adjuvants in vaccines.
Inventors
- 👤 Mitree M. Ponpipom
- 👤 John Chabala
- 👤 Tsung-Ying Shen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:24
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/14; A; A61; A61K; A61K39/00; A61K39/39; C07J; C07J31/00; C07J31/006; C07J41/00; C07J41/0033; C07J41/0055; C07J51/00; C07J9/00; A61K2039/555; A61K2039/55511
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
6 words
A compound of the formula ##STR13##
Claim 2
Dependent Claim
6 words
A compound of the formula ##STR13##
Claim 3
Dependent Claim
19 words
A compound of the formula: ##STR14## wherein R 1 is ##STR15## methanesulfonyl, or N 3 , AcO being acetyl.
Claim 4
Dependent Claim
19 words
A compound of the formula: ##STR14## wherein R 1 is ##STR15## methanesulfonyl, or N 3 , AcO being acetyl.
Claim 5
Dependent Claim
12 words
A composition comprising an antigenic material and a compound of claim 1.
Claim 6
Dependent Claim
20 words
A composition according to claim 3 wherein the compound is present in an amount effective to exert an adjuvant effect.
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) | 1983-02-18 | 1983-08-20 | 1984-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-18 | 1987-08-20 | 1988-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-18 | 1991-08-20 | 1992-02-19 | $7700.00 | Window Closed / Lapsed |