Patent US2740818A successfully refreshed from Google Patents.
US2740818A
Expired / Lapsed
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Production of finely divided benzene hexachloride
Assignee: Olin Corp
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Filing: 1952-12-23
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Granted: 1956-04-03
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Expires: 1972-12-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Nicolaisen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
C; C07; C07C; C07C23/00; C07C23/02; C07C23/10; C07C23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR THE PRODUCTION OF FINELY DIVIDED BENZENE HEXACHLORIDE WHICH COMPRISES EMULSIFYING A SOLUTION OF BENZENE HEXACHLORIDE IN A NON-REACTIVE, WATER-IMMISCIBLE, STEAM-VOLATILE SOLVENT IN WATER CONTAINING AN EMULSIFYING AGENT TO FORM AN OIL-IN-WATER TYPE EMULSION, STEAM DISTILLING THE EMULSION TO REMOVE SUBSTANTIALLY ALL OF THE SOLVENT, AND RECOVERING THE FINELY DIVIDED BENZENE HEXACHLORIDE PRODUCT FROM THE RESULTING DISPERSION OF FINELY DIVIDED BENZENE HEXACHLORIDE IN WATER.
Claim 2
Dependent Claim
66 words
A PROCESS FOR THE PRODUCTION OF FINELY DIVIDED BENZENE HEXACHLORIDE WHICH COMPRISES EMULSIFYING A SOLUTION OF BENZENE HEXACHLORIDE IN A NON-REACTIVE, WATER-IMMISCIBLE, STEAM-VOLATILE SOLVENT IN WATER CONTAINING AN EMULSIFYING AGENT TO FORM AN OIL-IN-WATER TYPE EMULSION, STEAM DISTILLING THE EMULSION TO REMOVE SUBSTANTIALLY ALL OF THE SOLVENT, AND RECOVERING THE FINELY DIVIDED BENZENE HEXACHLORIDE PRODUCT FROM THE RESULTING DISPERSION OF FINELY DIVIDED BENZENE HEXACHLORIDE IN WATER.
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |