US3266887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ore pelletization process and products
Assignee: ChampionX LLC
•
Filing: 1962-10-29
•
Granted: 1966-08-16
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Walter E Kramer
- 👤 Louis A Goretta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/242; C22B1/244; C22B1/2413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A METHOD OF PRODUCING IMPROVED METALLIC MINERAL PELLETS WHICH COMPRISES THE STEPS OF COMMUNICATION OF A MINERAL ORE TO PARTICULATE STATE, CONCENTRATING THE VALUED MINERAL CONSTITUENT THEREOF TO AN INCREASED PURITY, TREATING SAID MINERAL TO OBTAIN A WETTED PARTICULATE MASS, PELLETIZING SAID MASS TO FORM INTERGRAL UNITS AND FIRING SAID FORMED PELLET UNITS TO A HARDENED STATE; THE IMPROVEMENT WHICH COMPRISES THE STEPS OF ADDING TO SAID WETTED MASS PRIOR TO PELLETIZATION AT LEAST A BINDING AMOUNT OF AN AMINE HUMATE SALT WHEREUPON PELLETS ARE PRODUCED HAVING INCREASED STRENGTH AND COHESIVENESS.
Claim 2
Dependent Claim
92 words
IN A METHOD OF PRODUCING IMPROVED METALLIC MINERAL PELLETS WHICH COMPRISES THE STEPS OF COMMUNICATION OF A MINERAL ORE TO PARTICULATE STATE, CONCENTRATING THE VALUED MINERAL CONSTITUENT THEREOF TO AN INCREASED PURITY, TREATING SAID MINERAL TO OBTAIN A WETTED PARTICULATE MASS, PELLETIZING SAID MASS TO FORM INTERGRAL UNITS AND FIRING SAID FORMED PELLET UNITS TO A HARDENED STATE; THE IMPROVEMENT WHICH COMPRISES THE STEPS OF ADDING TO SAID WETTED MASS PRIOR TO PELLETIZATION AT LEAST A BINDING AMOUNT OF AN AMINE HUMATE SALT WHEREUPON PELLETS ARE PRODUCED HAVING INCREASED STRENGTH AND COHESIVENESS.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |