US3012080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of 1, 1-dichloroethane
Assignee: Ethyl Corp
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Filing: 1960-09-23
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Granted: 1961-12-05
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Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bergeron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:05
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/07; C07C17/08; B; B43; B43K; B43K24/00; B43K24/02; B43K24/08; C07C17/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD FOR THE CONCURRENT MANUFACTURE OF ETHYL CHLORIDE AND 1,1-DICHLOROETHANE COMPRISING SIMULTANEOUSLY REACTING ETHYLENE AND VINYL CHLORIDE WITH HYDROGEN CHLORIDE IN A NONAQUEOUS LIQUID PHASE REACTION MEDIUM WITHIN WHICH IS SUSPENDED AN ALUMINUM CHLORIDE CATALYST, SAID REACTION BEING CONDUCTED AND MAINTAINED AT A TEMPERATURE OF FROM ABOUT 110 TO 180*F. AND AT A PRESSURE OF FROM ABOUT 50 TO 140 POUNDS PER SQUARE INCH GAUGE, AND THE HYDROGEN CHLORIDE BEING PRESENT IN QUANTITIES OF FROM ABOUT 1.1 TO 2.0 MOLES FOR EACH MOLE OF THE SUM TOTAL AMOUNT OF ETHYLENE AND VINYL CHLORIDE FED INTO THE REACTION.
Claim 2
Independent Claim
98 words
A METHOD FOR THE CONCURRENT MANUFACTURE OF ETHYL CHLORIDE AND 1,1-DICHLOROETHANE COMPRISING SIMULTANEOUSLY REACTING ETHYLENE AND VINYL CHLORIDE WITH HYDROGEN CHLORIDE IN A NONAQUEOUS LIQUID PHASE REACTION MEDIUM WITHIN WHICH IS SUSPENDED AN ALUMINUM CHLORIDE CATALYST, SAID REACTION BEING CONDUCTED AND MAINTAINED AT A TEMPERATURE OF FROM ABOUT 110 TO 180*F. AND AT A PRESSURE OF FROM ABOUT 50 TO 140 POUNDS PER SQUARE INCH GAUGE, AND THE HYDROGEN CHLORIDE BEING PRESENT IN QUANTITIES OF FROM ABOUT 1.1 TO 2.0 MOLES FOR EACH MOLE OF THE SUM TOTAL AMOUNT OF ETHYLENE AND VINYL CHLORIDE FED INTO THE REACTION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |