US2805120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorination process
Assignee: Columbia Southern Chemical Corp
•
Filing: 1954-04-29
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Granted: 1957-09-03
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Expires: 1974-04-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin K Plant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; C22B1/00; C22B1/02; C22B1/08; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METHOD OF PREPARING A METALLIC CHLORIDE WHICH COMPRISES MIXING A MATERIAL WHICH COMPRISES A FINELY DIVIDED OXIDE OF A METAL WHICH FORMS A VOLATILE CHLORIDE WITH AN AMOUNT OF PULIVERULENT BITUMINOUS COAL HAVING A PARTICLE SIZE BELOW ABOUT 1/4 INCH AT LEAST EQUAL TO THE AMOUNT STOICHIOMETRICALLY REQUIRED FOR REDUCTION OF SAID METAL OXIDE TO METALLIC STATE, TUMBLING SAID MIXTURE AT A TEMPERATURE OF 250 TO 600*C., WHEREBY THE COAL BECOMES ADHESIVE AND AGGLOMERATATES OF COAL AND SAID FINELY DIVIDED MATERIAL ARE BUILT UP, THEREAFTER CALCINING THE RESULTING AGGLOMERTRATES TO REMOVE HYDROCARBON COMPONENTS, AND CHLORINATING THE AGGLOMERATES THUS OBTAINED.
Claim 2
Independent Claim
100 words
A METHOD OF PREPARING A METALLIC CHLORIDE WHICH COMPRISES MIXING A MATERIAL WHICH COMPRISES A FINELY DIVIDED OXIDE OF A METAL WHICH FORMS A VOLATILE CHLORIDE WITH AN AMOUNT OF PULIVERULENT BITUMINOUS COAL HAVING A PARTICLE SIZE BELOW ABOUT 1/4 INCH AT LEAST EQUAL TO THE AMOUNT STOICHIOMETRICALLY REQUIRED FOR REDUCTION OF SAID METAL OXIDE TO METALLIC STATE, TUMBLING SAID MIXTURE AT A TEMPERATURE OF 250 TO 600*C., WHEREBY THE COAL BECOMES ADHESIVE AND AGGLOMERATATES OF COAL AND SAID FINELY DIVIDED MATERIAL ARE BUILT UP, THEREAFTER CALCINING THE RESULTING AGGLOMERTRATES TO REMOVE HYDROCARBON COMPONENTS, AND CHLORINATING THE AGGLOMERATES THUS OBTAINED.
References Cited (Backward Citations)
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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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |