US2653155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of n-trichloromethylthio imides
Assignee: Standard Oil Development Co
•
Filing: 1951-04-21
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Granted: 1953-09-22
•
Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Allen R Kittleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:36
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A PROCESS FOR THE PREPARATION OF AN NI-TRICHLOROMETHYLTHIO IMIDE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
13 words
A PROCESS FOR THE PREPARATION OF AN NI-TRICHLOROMETHYLTHIO IMIDE CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
US2553776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |