Patent US2513092A successfully refreshed from Google Patents.
US2513092A
Expired / Lapsed
US
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Photochemical preparation of benzene hexachloride
Assignee: Solvay SA
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Filing: 1947-11-06
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Granted: 1950-06-27
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Expires: 1967-11-06
Abstract
No abstract record available.
Inventors
- 👤 Gonze Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:05
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/013; C07C17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A PROCESS OF PREPARING BENZENE HEXACHLORIDE BY CHLORINATION OF BENZENE WITH CHLORINE GAS, DISSOLVING BENZENE IN AN ORGANIC SOLVENT OF THE ALIPHATIC SERIES WHICH IS LIQUID AT 6*C. AND IS SUBSTANTIALLY INDIFFERENT TO CHLORINE UNDER OPERATING CONDITIONS, AND CARRYING OUT THE CHLORINATION UNDER IRRADIATION BY LIGHT AT A TEMPERATURE BETWEEN 6*C. AND THE CRYSTALLIZATING TEMPERATURE OF THE SOLUTION OF BENZENE IN SAID SOLVENT.
Claim 2
Dependent Claim
64 words
IN A PROCESS OF PREPARING BENZENE HEXACHLORIDE BY CHLORINATION OF BENZENE WITH CHLORINE GAS, DISSOLVING BENZENE IN AN ORGANIC SOLVENT OF THE ALIPHATIC SERIES WHICH IS LIQUID AT 6*C. AND IS SUBSTANTIALLY INDIFFERENT TO CHLORINE UNDER OPERATING CONDITIONS, AND CARRYING OUT THE CHLORINATION UNDER IRRADIATION BY LIGHT AT A TEMPERATURE BETWEEN 6*C. AND THE CRYSTALLIZATING TEMPERATURE OF THE SOLUTION OF BENZENE IN SAID SOLVENT.
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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |