US2796446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkyl nitrophenol product and method
Assignee: Dow Chemical Co
•
Filing: 1956-03-05
•
Granted: 1957-06-18
•
Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard T Dickerson
- 👤 Jr William K Schweitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:16
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/13; C07C205/20; C07C205/21; C07C205/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
6-NITRO-2,4-DITERTIARYBUTYLPHENOL
Claim 2
Dependent Claim
1 words
6-NITRO-2,4-DITERTIARYBUTYLPHENOL
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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |