US3211522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of ammonium nitrate granules
Assignee: Commercial Solvents Corp
•
Filing: 1960-08-31
•
Granted: 1965-10-12
•
Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert A Shurter
- 👤 Archie P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:04
CPC Classifications
C; C05; C05C; C05C1/00; C05C1/02; C01; C01C; C01C1/00; C01C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CONTINUOUS PROCESS OF PRODUCING SMALL, DRY, SOLID AMMONIUM NITRATE GRANULES WHICH COMPRISES CONTINUOUSLY REACTING A SOLUTION OF AMMONIUM NITRATE IN AMMONIA CONTAINING LESS THAN ABOUT 6% BY WEIGHT OF WATER WITH AN AQUEOUS SOLUTION OF NITRIC ACID ON A GRANULATING PAN TO CONTINUOUSLY PRODUCE ADDITIONAL AMMONIUM NITRATE ON SAID PAN WHILE SIMULTANEOUSLY ROTATING SAID PAN, THE HEAT OF SAID REACTION REMOVING SUBSTANTIALLY OF ALL OF THE WATER IN THE REACTION MIXTURE AS STEAM, CONTINUOUSLY ROTATING SAID PAN TO SUBJECT SAID AMMONIUM NITRATE TO A ROTATING MOTION WHEREBY SUBSTANTIALLY DRY GRANULES OF AMMONIUM NITRATE ARE CONTINUOUSLY FORMED ON SAID PAN, THE PRODUCTION, GRANULATING AND DRYING OF SAID AMMONIUM NITRATE OCCURRING ESSENTIALLY SIMULTANEOUSLY ON SAID PAN, AND CONTINUOUSLY REMOVING THE SUBSTANTIALLY DRY GRANULAR AMMONIUM NITRATE FROM SAID PAN.
Claim 2
Dependent Claim
127 words
A CONTINUOUS PROCESS OF PRODUCING SMALL, DRY, SOLID AMMONIUM NITRATE GRANULES WHICH COMPRISES CONTINUOUSLY REACTING A SOLUTION OF AMMONIUM NITRATE IN AMMONIA CONTAINING LESS THAN ABOUT 6% BY WEIGHT OF WATER WITH AN AQUEOUS SOLUTION OF NITRIC ACID ON A GRANULATING PAN TO CONTINUOUSLY PRODUCE ADDITIONAL AMMONIUM NITRATE ON SAID PAN WHILE SIMULTANEOUSLY ROTATING SAID PAN, THE HEAT OF SAID REACTION REMOVING SUBSTANTIALLY OF ALL OF THE WATER IN THE REACTION MIXTURE AS STEAM, CONTINUOUSLY ROTATING SAID PAN TO SUBJECT SAID AMMONIUM NITRATE TO A ROTATING MOTION WHEREBY SUBSTANTIALLY DRY GRANULES OF AMMONIUM NITRATE ARE CONTINUOUSLY FORMED ON SAID PAN, THE PRODUCTION, GRANULATING AND DRYING OF SAID AMMONIUM NITRATE OCCURRING ESSENTIALLY SIMULTANEOUSLY ON SAID PAN, AND CONTINUOUSLY REMOVING THE SUBSTANTIALLY DRY GRANULAR AMMONIUM NITRATE FROM SAID PAN.
References Cited (Backward Citations)
US400207A
Cited
US1256513A
Cited
US2770539A
Cited
US2902342A
Cited
US2770469A
Cited
GB827322A
Cited
US3030657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |