US3148222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxychlorination of benzene in the presence of cucl2/licl catalysts
Assignee: Frontier Chemical Co
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Filing: 1962-02-21
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Granted: 1964-09-08
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Expires: 1982-02-21
Abstract
No abstract record available.
Inventors
- 👤 Siegfried E Penner
- 👤 Iii Alvis Lewis Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:49
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152; C07C17/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR CHLORINATING BENZENE WHICH COMPRISES CONTACTING A MIXTURE OF BENZENE, HYDROGEN CHLORIDE AND A MOLECULAR OXYGEN-CONTAINING GAS IN VAPOR PHASE UNDER OXYCHLORINATION CONDITIONS WITH A CATALYST COMPRISING CUPRIC CHLORIDE AND LITHIUM CHLORIDE IN A PROPORTION SUCH THAT THE MOLAR RATIO OF LITHIUM CHLORIDE TO COPPER CHLORIDE IS FROM 0.1 TO 3 MOLES OF LICL PER MOLE OF CUCL2, SUPPORTED ON AN INERT CARRIER THE OXYGEN-CONTAINING GAS BEING SUPPLIED IN AN AMOUNT EQUIVALENT TO AN EXCESS OF AT LEAST 20% OXYGEN OVER THEORY.
Claim 2
Dependent Claim
84 words
A PROCESS FOR CHLORINATING BENZENE WHICH COMPRISES CONTACTING A MIXTURE OF BENZENE, HYDROGEN CHLORIDE AND A MOLECULAR OXYGEN-CONTAINING GAS IN VAPOR PHASE UNDER OXYCHLORINATION CONDITIONS WITH A CATALYST COMPRISING CUPRIC CHLORIDE AND LITHIUM CHLORIDE IN A PROPORTION SUCH THAT THE MOLAR RATIO OF LITHIUM CHLORIDE TO COPPER CHLORIDE IS FROM 0.1 TO 3 MOLES OF LICL PER MOLE OF CUCL2, SUPPORTED ON AN INERT CARRIER THE OXYGEN-CONTAINING GAS BEING SUPPLIED IN AN AMOUNT EQUIVALENT TO AN EXCESS OF AT LEAST 20% OXYGEN OVER THEORY.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |