US3194847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of halosubstituted olefines
Assignee: Distillers Co Yeast Ltd
•
Filing: 1961-12-08
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Granted: 1965-07-13
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Expires: 1981-12-08
Abstract
No abstract record available.
Inventors
- 👤 Capp Clifford William
- 👤 Godin George William
- 👤 Neale Roderick Frank
- 👤 Williamson John Bentley
- 👤 Harris Brian Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:07
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; B; B01; B01J; B01J27/00; B01J27/06; B01J27/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE WHICH COMPRISES HEATING ETHYLENE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AT A TEMPERATURE OF FROM 50 TO 300*C. AND AT A PRESSURE OF FROM 1 TO 100 ATMOSPHERES WITH A METAL CHLORIDE WHEREIN SAID METAL IS SELECTED FROM THE GROUP CONSISTING OF CUPRIC COPPER, MERCURIC MERCURY AND SILVER IN ADMIXTURE WITH POLAR SOLVENT SELECTED FROM THE GROUP CONSISTING OR ORGANIC ESTERS, ETHERS, ALIPHATIC CHLORINATED HYDROCARBONS AND AROMATIC CHLORINATED HYDROCARBONS, AND IN ADDITION IN THE PRESENCE OF A PLATINUM GROUP METAL SALT AS A CATALYST.
Claim 2
Dependent Claim
90 words
A PROCESS FOR THE PRODUCTION OF VINYL CHLORIDE WHICH COMPRISES HEATING ETHYLENE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AT A TEMPERATURE OF FROM 50 TO 300*C. AND AT A PRESSURE OF FROM 1 TO 100 ATMOSPHERES WITH A METAL CHLORIDE WHEREIN SAID METAL IS SELECTED FROM THE GROUP CONSISTING OF CUPRIC COPPER, MERCURIC MERCURY AND SILVER IN ADMIXTURE WITH POLAR SOLVENT SELECTED FROM THE GROUP CONSISTING OR ORGANIC ESTERS, ETHERS, ALIPHATIC CHLORINATED HYDROCARBONS AND AROMATIC CHLORINATED HYDROCARBONS, AND IN ADDITION IN THE PRESENCE OF A PLATINUM GROUP METAL SALT AS A CATALYST.
References Cited (Backward Citations)
US2167927A
Cited
US2399488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |