US2606813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing aqueous solutions of ammonium nitrite
Assignee: Inventa AG fuer Forschung und Patentverwertung
•
Filing: 1950-08-11
•
Granted: 1952-08-12
•
Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kahr Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:06
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/20; C01B21/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS OF PRODUCING AQUEOUS SOLUTIONS OF AMMONIUM NITRILE BY ADSORBING NITROUS GASES OF ALMOST EQUIMOLECULAR COMPOSITION OF NITRIC OXIDE AND NITROGEN DIOXIDE IN A SOLUTION CONTAINING A MIXTURE OF AMMONIUM BICARBONATE AND AMMONIUM CARBONATE, WHEREIN SAID ADSORBING SOLUTION IS AT ALL TIMES DURING THE ADSORPTION PROCESS MAINTAINED SATURATED WITH THE SAID MIXTURE OF AMMONIUM BICARBONATE AND AMMONIUM CARBONATE SALTS AND WHEREIN THE ADSORPTION OF SAID NITROUS GASES IS PERFORMED AT A TEMPERATURE NEAR THE FREEZING POINT OF THE ADSORBING SOLUTION.
Claim 2
Dependent Claim
81 words
THE PROCESS OF PRODUCING AQUEOUS SOLUTIONS OF AMMONIUM NITRILE BY ADSORBING NITROUS GASES OF ALMOST EQUIMOLECULAR COMPOSITION OF NITRIC OXIDE AND NITROGEN DIOXIDE IN A SOLUTION CONTAINING A MIXTURE OF AMMONIUM BICARBONATE AND AMMONIUM CARBONATE, WHEREIN SAID ADSORBING SOLUTION IS AT ALL TIMES DURING THE ADSORPTION PROCESS MAINTAINED SATURATED WITH THE SAID MIXTURE OF AMMONIUM BICARBONATE AND AMMONIUM CARBONATE SALTS AND WHEREIN THE ADSORPTION OF SAID NITROUS GASES IS PERFORMED AT A TEMPERATURE NEAR THE FREEZING POINT OF THE ADSORBING SOLUTION.
References Cited (Backward Citations)
US1903815A
Cited
US2032699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |