US3012081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of 1, 1, 1-trichloroethane
Assignee: Ethyl Corp
•
Filing: 1960-09-29
•
Granted: 1961-12-05
•
Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Conrad Franklin
- 👤 Albert J Haefner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A METHOD FOR THE CONCURRENT MANUFACTURE OF 1,1DICHLOROETHANE AND 1,1,1-TRICHLOROETHANE COMPRISING SIMULTANEOUSLY REACTING ETHYL CHLORIDE AND 1,1-DICHLOROETHANE WITH CHLORINE AT A TEMPERATURE OF FROM ABOUT 700 TO 900*F. AND AT A PRESSURE OF FROM ABOUT ATMOSPHERIC TO 100 POUNDS PER SQUARE INCH GAUGE.
Claim 2
Independent Claim
43 words
A METHOD FOR THE CONCURRENT MANUFACTURE OF 1,1DICHLOROETHANE AND 1,1,1-TRICHLOROETHANE COMPRISING SIMULTANEOUSLY REACTING ETHYL CHLORIDE AND 1,1-DICHLOROETHANE WITH CHLORINE AT A TEMPERATURE OF FROM ABOUT 700 TO 900*F. AND AT A PRESSURE OF FROM ABOUT ATMOSPHERIC TO 100 POUNDS PER SQUARE INCH GAUGE.
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 |