US3076809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation of glutarimide compounds
Assignee: Dow Chemical Co
•
Filing: 1960-02-01
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Granted: 1963-02-05
•
Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Johnson Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:05
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/80; C07D211/84; C07D211/86; C07D211/88; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE METHOD OF FORMING CARBOXYMETHYLBLUTARIMIDE COMPOUNDS CORRESPONDING TO THE FOLLOWING:
Claim 2
Independent Claim
10 words
THE METHOD OF FORMING CARBOXYMETHYLBLUTARIMIDE COMPOUNDS CORRESPONDING TO THE FOLLOWING:
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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |