US2596935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogen-phosphorus composition and process for same
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-12-30
•
Granted: 1952-05-13
•
Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 John E Malowan
- 👤 Forrest R Hurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:24
CPC Classifications
C; C05; C05B; C05B17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE PROCESS FOR PREPARING A NITROGEN-PHOSPHORUS CONTAINNG PRODUCT WHCH COMPROSES REACTING ANHYDROUS AMMONIA WITH PHOSPHORYL CHLORIDE DISSOLVED IN A HYDROCARBON SOLVENT HAVING A BOILING POINT ABOUT 200* C. UNTIL AT LEAST 5 MOLES OF AMMONIA PER MOLE OF PHOSPHORYL CHLORIDE HAVE BEEN COMBINED AND THEN HEATING THE REACTION PRODUCT IN SAID SOLVENT TO A TEMPERATURE ABOVE 155* C. BUT BELOW 250*., DISSOLVING AMMONUIN CHLORIDE PRESENT IN THE REACTION PRODUCT BY LEACHING WITH WATER AND THEN DRYING THE SAID NITROGENPHOSPHORUS CONTAINING PRODUCT.
Claim 2
Dependent Claim
81 words
THE PROCESS FOR PREPARING A NITROGEN-PHOSPHORUS CONTAINNG PRODUCT WHCH COMPROSES REACTING ANHYDROUS AMMONIA WITH PHOSPHORYL CHLORIDE DISSOLVED IN A HYDROCARBON SOLVENT HAVING A BOILING POINT ABOUT 200* C. UNTIL AT LEAST 5 MOLES OF AMMONIA PER MOLE OF PHOSPHORYL CHLORIDE HAVE BEEN COMBINED AND THEN HEATING THE REACTION PRODUCT IN SAID SOLVENT TO A TEMPERATURE ABOVE 155* C. BUT BELOW 250*., DISSOLVING AMMONUIN CHLORIDE PRESENT IN THE REACTION PRODUCT BY LEACHING WITH WATER AND THEN DRYING THE SAID NITROGENPHOSPHORUS CONTAINING PRODUCT.
References Cited (Backward Citations)
US2122122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |