US3135595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing fertilizer from metal mine waste
Assignee: Individual
•
Filing: 1962-06-13
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Granted: 1964-06-02
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Ben F Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:22
CPC Classifications
C; C05; C05D; C05D9/00; C05D9/02; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD OF PROVIDING FERTILIZER FROM A METAL MINE WASTE DUMP CONTAININGD SULFATES OF COPPER, IRON, MANGANESE, ZINC AND MAGNESIUM COMPRISING (1) CIRCULATING WATER THROUGH THE WEATHERED AND OXIDIZED MATERIAL OF SAID WASTE DUMP TO EXTRACT THE WATER SOLUBLE CONTENTS THEREOF AND THEREBY PROVIDE A PREGNANT LIQUID HAVING A PH OF ABOUT 1 AND A SPECIFIC GRAVITY OF ABOUT 26* BEAUME'' AND CONTAINING COPPER SULFATE, FERRIC SULFATE AND FERROUS SULFATE, (2) TRANSFERRING SAID PREGNANT LIQUID TO A PROCESSING TANK, (3) ADDING METALLIC IRON TO SAID PREGNANT LIQUID IN SAID PROCESSING TANK THEREBY PRECIPITATING THEREFROM MOST BUT NOT ALL OF THE COPPER AS METALLIC COPPER AND REDUCING THE FERRIC SULFATE TO FERROUS SULFATE, (4) ADJUSTING THE PH OF THE LIQUID IN THE PROCESSING TANK TO THE NEIGHBORHOOD OF 2.5 BY ADDING SULFURIC ACID THERETO, AND (5) WITHDRAWING THE SUPERNATANT LIQUID FROM THE TANK FOR USE AS FERTILIZER, SAID LIQUID HAVING A CHEMICAL ANALYSIS ON THE BASIS OF POUNDS PER ONE THOUSAND GALLONS, APPROXIMATELY AS FOLLOWS:
Claim 2
Independent Claim
164 words
A METHOD OF PROVIDING FERTILIZER FROM A METAL MINE WASTE DUMP CONTAININGD SULFATES OF COPPER, IRON, MANGANESE, ZINC AND MAGNESIUM COMPRISING (1) CIRCULATING WATER THROUGH THE WEATHERED AND OXIDIZED MATERIAL OF SAID WASTE DUMP TO EXTRACT THE WATER SOLUBLE CONTENTS THEREOF AND THEREBY PROVIDE A PREGNANT LIQUID HAVING A PH OF ABOUT 1 AND A SPECIFIC GRAVITY OF ABOUT 26* BEAUME'' AND CONTAINING COPPER SULFATE, FERRIC SULFATE AND FERROUS SULFATE, (2) TRANSFERRING SAID PREGNANT LIQUID TO A PROCESSING TANK, (3) ADDING METALLIC IRON TO SAID PREGNANT LIQUID IN SAID PROCESSING TANK THEREBY PRECIPITATING THEREFROM MOST BUT NOT ALL OF THE COPPER AS METALLIC COPPER AND REDUCING THE FERRIC SULFATE TO FERROUS SULFATE, (4) ADJUSTING THE PH OF THE LIQUID IN THE PROCESSING TANK TO THE NEIGHBORHOOD OF 2.5 BY ADDING SULFURIC ACID THERETO, AND (5) WITHDRAWING THE SUPERNATANT LIQUID FROM THE TANK FOR USE AS FERTILIZER, SAID LIQUID HAVING A CHEMICAL ANALYSIS ON THE BASIS OF POUNDS PER ONE THOUSAND GALLONS, APPROXIMATELY AS FOLLOWS:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |