US3721680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-aroyl-2-(beta-hydroxyethyl)-1-loweralkylpyrroles
Assignee: MC NEIL LABOR Inc
•
Filing: 1970-06-15
•
Granted: 1973-03-20
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Expires: 1990-06-15
Abstract
Abstract Compounds of the class of 5-aroyl-2-( Beta -hydroxyethyl)-1loweralkyl-pyrroles useful as anti-inflammatory agents.
Inventors
- 👤 J Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/335; A; A61; A61P; A61P29/00; C07D207/337
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
7 words
A 5-aroyl-2-( Beta -hydroxyethyl)-1-methylpyrrole having the formula:
Claim 2
Dependent Claim
3 words
5-(2-Hydroxyethyl)-1-methylpyrrol-2-yl p-tolyl ketone.
Claim 3
Dependent Claim
3 words
5-(p-chlorobenzoyl)-2-( Beta -hydroxyethyl)-1-methylpyrrole.
Claim 4
Dependent Claim
3 words
2-( Beta -hydroxyethyl)-1-methyl-5-(p-trifluoromethyl-benzoyl)-pyrrole.
Claim 5
Dependent Claim
3 words
5-(p-Fluorobenzoyl)-2-( Beta -hydroxyethyl)-1,4-dimethylpyrrole.
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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |