US2826546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanogen chloride solutions
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-01-03
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Granted: 1958-03-11
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 George W Walpert
- 👤 Edwin K Mahlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:11
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/004
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
IN A PROCESS FOR THE CONCENTRATION OF CYANOGEN CHLORIDE FROM A GAS CONTAINING THE SAME TOGETHER WITH HYDROGEN CHLROIDE, THE STEP WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID GAS WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZENE AND THE METHYL-SUBSTITUTED BENZENES.
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) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |