US2984673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminomethylpyrrolidinones
Assignee: Rohm and Haas Co
•
Filing: 1958-06-18
•
Granted: 1961-05-16
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
- 👤 Marian F Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:41
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D209/00; C07D209/02; C07D209/04; C07D209/30; C07D209/32; C07D209/34; C07D209/56; C07D209/96; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MEMBER FROM THE CLASS CONSISTING OF THE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
A MEMBER FROM THE CLASS CONSISTING OF THE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2580738A
Cited
US2841591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |