US2972618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adducts of heterocyclic amides
Assignee: Rohm and Haas Co
•
Filing: 1956-12-05
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Granted: 1961-02-21
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:53
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/76; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C07D241/00; C07D241/02; C07D241/06; C07D241/08; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
AN ADDUCT OF THE COMPOUNDS
Claim 2
Dependent Claim
5 words
AN ADDUCT OF THE COMPOUNDS
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |