US3073834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing the cyano and carboxy substituted derivatives of 2-piperidinone and 2-pyrrolidinone
Assignee: Rohm and Haas Co
•
Filing: 1960-06-08
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Granted: 1963-01-15
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Expires: 1980-06-08
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
- 👤 Marian F Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:07
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D207/277; C07D207/28; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/78
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
Claim 3
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
Claim 4
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF A COMPOUND HAVING THE FORMULA
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |