Patent US3463744A successfully refreshed from Google Patents.
US3463744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of acid activity of a hydrocarbon conversion catalyst comprising a halogen component combined with a support containing alumina and crystalline aluminosilicate particles
Assignee: Universal Oil Products Co
•
Filing: 1968-06-03
•
Granted: 1969-08-26
•
Expires: 1988-06-03
Abstract
No abstract record available.
Inventors
- 👤 Roy T Mitsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:54
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3250728A
Cited
US3296119A
Cited
US3216923A
Cited
US3318802A
Cited
US3365392A
Cited
US3369997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |