US2898384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the thermal chlorination of hydrocarbons
Assignee: Solvay SA
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Filing: 1955-08-09
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Granted: 1959-08-04
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Viriot Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:10
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
PROCESS OF MANUFACTURING CHLOROMETHANES SOLELY BY THERMAL CHLORINATION OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHANE AND PARTIALLY CHLORINATED METHANE, WHICH COMPRISES THE STEPS OF PREHEATING A MIXTURE CONSISTING ESSENTIALLY OF CHLORINE AND SAID COMPOUND TO A TEMPERATURE BETWEEN 150 AND 250* C., INTRODUCING SAID MIXTURE INTO AT LEAST ONE ANNULAR REACTION ZONE, INTRODUCING GASES AT A TEMPERATURE OF ABOUT 400-600*C. TO HEAT THE INNER SURFACE OF SAID ZONE, AND INTRODUCING A FLUID AT A TEMPERATURE OF ABOUT 50*C. TO COOL THE OUTER SIDE OF SAID ZONE, SAID ZONE BEING FREE FROM FILLING MATERIAL.
Claim 2
Dependent Claim
98 words
PROCESS OF MANUFACTURING CHLOROMETHANES SOLELY BY THERMAL CHLORINATION OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHANE AND PARTIALLY CHLORINATED METHANE, WHICH COMPRISES THE STEPS OF PREHEATING A MIXTURE CONSISTING ESSENTIALLY OF CHLORINE AND SAID COMPOUND TO A TEMPERATURE BETWEEN 150 AND 250* C., INTRODUCING SAID MIXTURE INTO AT LEAST ONE ANNULAR REACTION ZONE, INTRODUCING GASES AT A TEMPERATURE OF ABOUT 400-600*C. TO HEAT THE INNER SURFACE OF SAID ZONE, AND INTRODUCING A FLUID AT A TEMPERATURE OF ABOUT 50*C. TO COOL THE OUTER SIDE OF SAID ZONE, SAID ZONE BEING FREE FROM FILLING MATERIAL.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |