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Patent US2697034A successfully refreshed from Google Patents.
US2697034A
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Chlorination process for treating ores
Assignee: Individual
•
Filing: 1950-05-15
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Granted: 1954-12-14
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Expires: 1970-05-15
Abstract
No abstract record available.
Inventors
- 👤 Alvah D Hadsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:56
CPC Classifications
C; C22; C22B; C22B15/00; C22B15/0063; C22B15/0065; C22B15/0067; C22B15/0069; C22B1/00; C22B1/02; C22B1/08; C22B15/0002; C22B15/0004; C22B15/0008; C22B3/00; C22B3/04; C22B3/06; C22B3/10; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF TREATING SULFIDE ORE CONCENTRATES OR THE LIKE WHICH COMPRISES THE STEPS OF MIXING THE CONCENTRATES WITH WATER TO FORM AN EASY FLOWING PULP OF SUBSTANTIALLY UNIFORM DENSITY, AGITATING THE PULP IN A CONTAINER IN A CIRCULATORY PATH, INTRODUCING CHLORINE INTO THE PATH WHEREBY SULFUR IS LIBERATED, BREAKING THE FLOW OF THE PULP AT A POINT ALONG THE SURFACE THEREOF TO PRODUCE EDDIES OR WHIRLPOOLS ADAPTED FOR TRANSFORMING THE SULFUR INTO FROTH AND FOR CONTINUOUSLY COLLECTING SAID FROTH THEREINTO, AND CONTINUOUSLY WITHDRAWING SULFUR FROTH FROM SAID EDDIES OR WHIRLPOOLS.
Claim 2
Independent Claim
91 words
A METHOD OF TREATING SULFIDE ORE CONCENTRATES OR THE LIKE WHICH COMPRISES THE STEPS OF MIXING THE CONCENTRATES WITH WATER TO FORM AN EASY FLOWING PULP OF SUBSTANTIALLY UNIFORM DENSITY, AGITATING THE PULP IN A CONTAINER IN A CIRCULATORY PATH, INTRODUCING CHLORINE INTO THE PATH WHEREBY SULFUR IS LIBERATED, BREAKING THE FLOW OF THE PULP AT A POINT ALONG THE SURFACE THEREOF TO PRODUCE EDDIES OR WHIRLPOOLS ADAPTED FOR TRANSFORMING THE SULFUR INTO FROTH AND FOR CONTINUOUSLY COLLECTING SAID FROTH THEREINTO, AND CONTINUOUSLY WITHDRAWING SULFUR FROTH FROM SAID EDDIES OR WHIRLPOOLS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |