US3657367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxychlorination of saturated and unsaturated hydrocarbons in the presence of a fluidized catalyst containing lanthanum and didymium
Assignee: Stauffer Chemical Co
•
Filing: 1968-10-31
•
Granted: 1972-04-18
•
Expires: 1988-10-31
Abstract
Abstract CATALYST COMPOSITION COMPRISING MIXTURES OF SALTS OF COPPER, POTASSIUM, DIDYMIUM, LANTHANIUM AND MAGNESIUM ARE USEFUL IN THE FLUIDIZED BED OXYCHLORINATION OF ALIPHATIC HYDROCARBONS. THE CATALYST COMPOSITION LOADING IS DIS POSED ON A SUITABLE SUPPORT MEDIA, PREFERABLY AN ALUMINA AND DOES NOT CAKE OR CAUSE-DEFLUIDIZATION OF THE BED UNDER START-UP, OPERATING, OR SHUT-DOWN CONDITIONS.
Inventors
- 👤 Robert J Blake
- 👤 Guy W Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:20
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; B; B01; B01J; B01J27/00; B01J27/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |