US2896000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of vinyl chloride
Assignee: Millennium Petrochemicals Inc
•
Filing: 1955-05-09
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Granted: 1959-07-21
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Franklyn D Miller
- 👤 Donald P Jenks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:56
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR CHLORINATION OF ETHYLENE TO VINYL CHLORIDE WHICH COMPRISES REACTING ETHYLENE WITH CHLORINE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 300 TO 500* C., THE ETHYLENE BEING IN MOLAR EXCESS IN RELATION TO THE CHLORINE, IN THE PRESENCE OF ETHYLENE DICHLORIDE IN MOLAR PROPORTION OF SUBSTANTIALLY MORE THAN 0.3 TO ABOUT ONE MOLE OF ETHYLENE DICHLORIDE TO ONE MOL OF CHLORINE
Claim 2
Dependent Claim
64 words
A PROCESS FOR CHLORINATION OF ETHYLENE TO VINYL CHLORIDE WHICH COMPRISES REACTING ETHYLENE WITH CHLORINE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 300 TO 500* C., THE ETHYLENE BEING IN MOLAR EXCESS IN RELATION TO THE CHLORINE, IN THE PRESENCE OF ETHYLENE DICHLORIDE IN MOLAR PROPORTION OF SUBSTANTIALLY MORE THAN 0.3 TO ABOUT ONE MOLE OF ETHYLENE DICHLORIDE TO ONE MOL OF CHLORINE
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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |