Patent US2541053A successfully refreshed from Google Patents.
US2541053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanogen compounds
Assignee: —
•
Filing: —
•
Granted: 1951-02-13
•
Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:16
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/28; C07D251/30; C07D251/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS OF PRODUCING CYANURIC HALIDE COMPRISING: THOROUGHLY MIXING A NITROPARAFFIN SOLUTION OF A METAL HALIDE WITH CYANOGEN BROMIDE WHILE PREVENTING THE TEMPERATURE FROM RISING ABOVE 60* C. UNTIL THE EXOTHERMIC REACTION IS COMPLETED TO OBTAIN A YIELD OF CYANURIC HALIDE ABOVE 60% OF THEORETICAL AND SEPARATING THE PRECIPITATED CYANURIC HALIDE FROM THE REACTION PRODUCTS.
Claim 2
Dependent Claim
55 words
A PROCESS OF PRODUCING CYANURIC HALIDE COMPRISING: THOROUGHLY MIXING A NITROPARAFFIN SOLUTION OF A METAL HALIDE WITH CYANOGEN BROMIDE WHILE PREVENTING THE TEMPERATURE FROM RISING ABOVE 60* C. UNTIL THE EXOTHERMIC REACTION IS COMPLETED TO OBTAIN A YIELD OF CYANURIC HALIDE ABOVE 60% OF THEORETICAL AND SEPARATING THE PRECIPITATED CYANURIC HALIDE FROM THE REACTION PRODUCTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |