Patent US3562345A successfully refreshed from Google Patents.
US3562345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline aluminosilicate-alumina composition and transalkylation therewith
Assignee: Universal Oil Products Co
•
Filing: 1968-09-18
•
Granted: 1971-02-09
•
Expires: 1988-09-18
Abstract
Abstract A COMPOSITION COMPRISING AS ESSENTIAL COMPONENTS THEREOF A CRYSTALLINE ALUMINOSILICATE CONTAINING ALUMINA FIXED IN COMBINATION THEREWITH, AND A METHOD OF PREPARATION. THE COMPOSITION PREFERABLY COMPRISES MORDENITE CONTAINING ALUMINA FIXED IN COMBINATION THEREWITH AND IS PARTICULARLY EFFECTIVE AS A CATALYST WITH RESPECT TO THE TRANSALKYLATIONOR DISPROPORTIONATION OF TOLUENE TO FORM BENZENE AND POLYMETHYLBENZENE PRODUCTS.
Inventors
- 👤 Roy T Mitsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:23
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C; C07; C07C; C07C6/00; C07C6/08; C07C6/12; C07C6/123; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S208/00; Y10S208/02
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |