US3077478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-hydrocarbon-amino-2-pyrrolidinones and piperidones
Assignee: Rohm and Haas Co
•
Filing: 1960-05-09
•
Granted: 1963-02-12
•
Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
- 👤 Marian F Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:46
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D209/00; C07D209/56; C07D209/96
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
A COMPOSITION OF MATTER HAVING THE FORMULA
Claim 3
Dependent Claim
6 words
AS A COMPOSITION OF MATTER, 5-BENZYLAMINO-3,3,5TRIMETHYL-2-PYRROLIDINONE.
Claim 4
Dependent Claim
6 words
AS A COMPOSITION OF MATTER, 5-BENZYLAMINO-3,3,5TRIMETHYL-2-PYRROLIDINONE.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |