US2586438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterol esters of nicotinic acid
Assignee: EIDP Inc
•
Filing: 1949-06-29
•
Granted: 1952-02-19
•
Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Hans Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:25
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A STEROL ESTER OF NICOTINIC ACID.
Claim 2
Dependent Claim
6 words
A STEROL ESTER OF NICOTINIC ACID.
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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |