US3661770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorosilane activation of an isomerization catalyst and paraffin isomerization utilizing the same
Assignee: Mobil Oil AS
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Filing: 1970-10-22
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Granted: 1972-05-09
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Expires: 1990-10-22
Abstract
Abstract A GROUP VIII METAL-ALUMINA CATALYST IS PRE-TREATED WITH A CHLOROSILANE TO PRODUCE A LOW TEMPERATURE PARAFFIN ISOMERIZATION.
Inventors
- 👤 Edwin N Givens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:40
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13; C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791
Claims Analysis
Total Claims: 0
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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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |