US2963360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomerating titaniferous materials by use of hydrochloric acid
Assignee: Dow Chemical Co
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Filing: 1957-06-14
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Granted: 1960-12-06
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Expires: 1977-06-14
Abstract
No abstract record available.
Inventors
- 👤 George B Cobel
- 👤 Jack A Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:26
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/08; Y; Y10; Y10S; Y10S425/00; Y10S425/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN THE METHOD OF PREPARING FOR CHLORATION A MIXTURE OF PULVERULENT CARBONACEOUS MATERIAL CONTAINING FIXED CARBON AND TITANIFEROUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF THE OXIDES AND SILICATES OF TITANIUM CONTAINING IMPURITIES WHICH FORM CEMENTITIOUS ANG GLAZY SUBSTANCES AT TEMPERATURE OF 600* C. AND ABOVE, THE IMPROVEMENT WHICH COMPRISES ADMIXING HYDROCHLORIC ACID, CONTAINING BETWEEN 5 AND 37 PERCENT OF DISSOLVED HYDROGEN CHLORIDE BY WEIGHT, TO SAID MIXTURE IN AN AMOUNT SUFFICIENT TO INCORPORATE BETWEEN 1 AND 5 PERCENT HYDROGEN CHLORIDE THEREIN AND DRYING THE MIXTURE.
Claim 2
Dependent Claim
86 words
IN THE METHOD OF PREPARING FOR CHLORATION A MIXTURE OF PULVERULENT CARBONACEOUS MATERIAL CONTAINING FIXED CARBON AND TITANIFEROUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF THE OXIDES AND SILICATES OF TITANIUM CONTAINING IMPURITIES WHICH FORM CEMENTITIOUS ANG GLAZY SUBSTANCES AT TEMPERATURE OF 600* C. AND ABOVE, THE IMPROVEMENT WHICH COMPRISES ADMIXING HYDROCHLORIC ACID, CONTAINING BETWEEN 5 AND 37 PERCENT OF DISSOLVED HYDROGEN CHLORIDE BY WEIGHT, TO SAID MIXTURE IN AN AMOUNT SUFFICIENT TO INCORPORATE BETWEEN 1 AND 5 PERCENT HYDROGEN CHLORIDE THEREIN AND DRYING THE MIXTURE.
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |