Patent US2743154A successfully refreshed from Google Patents.
US2743154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovery of uranium by a resin-in-pulp process
Assignee: Individual
•
Filing: 1954-07-06
•
Granted: 1956-04-24
•
Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Kaufman David
- 👤 George W Lower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:04
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0265; B; B01; B01J; B01J47/00; B01J47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF RECOVERING DISSOLVED URANIUM COMPOUNDS FROM ACID LEACH LIQUORS WHICH COMPRISES CONTACTING LIQUOR WITH ION EXCHANGE MATERIAL CAPBALE OF FIXING URANIUM COMPOUNDS IN THE FORM OF COMPLEX IONS IN ONE ZONE CAUSING FLOW THROUGHT A SCREEN HAVING A PREDOMINANTLY VERTICAL COMPONENT AND OPENINGS AT LEAST TWO MESH SIZES FINER THAN THE PARTICLE SIZE OF ION EXCHANGE MATERIAL AND CAUSING A TURBULENT LAYER OF GAS AND LIQUID BUBBLES TO PASS ACROSS THE SCREEN SUFFIECIENT TO PREVENT BLINDING OF
Claim 2
Independent Claim
79 words
A METHOD OF RECOVERING DISSOLVED URANIUM COMPOUNDS FROM ACID LEACH LIQUORS WHICH COMPRISES CONTACTING LIQUOR WITH ION EXCHANGE MATERIAL CAPBALE OF FIXING URANIUM COMPOUNDS IN THE FORM OF COMPLEX IONS IN ONE ZONE CAUSING FLOW THROUGHT A SCREEN HAVING A PREDOMINANTLY VERTICAL COMPONENT AND OPENINGS AT LEAST TWO MESH SIZES FINER THAN THE PARTICLE SIZE OF ION EXCHANGE MATERIAL AND CAUSING A TURBULENT LAYER OF GAS AND LIQUID BUBBLES TO PASS ACROSS THE SCREEN SUFFIECIENT TO PREVENT BLINDING OF
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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |