US3409686A
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Isomerization of alkyl aromatic hydrocarbons using a crystalline aluminosilicate catalyst
Assignee: Universal Oil Products Co
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Filing: 1966-04-08
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Granted: 1968-11-05
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Roy T Mitsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:37
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; C07; C07C; C07C5/00; C07C5/22; B; B01; B01J; B01J21/00; B01J21/12; B01J21/16; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J29/00; B01J29/04; B01J29/06; B01J29/061; C07C5/2206; C07C5/222; C07C5/226; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; C07C5/27; C07C5/2702; C07C5/2708; C07C5/271; C07C5/2718; C07C5/2721; C07C5/2724; C07C5/2729; C07C5/2732; C07C5/2737; C07C5/2754; C07C5/2767; C07C5/277; C07C5/2791; C07C5/29; C07C5/32; C07C5/327; C07C5/333; B01J21/06; B01J21/08; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/08; C07C2529/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y02P20/582; Y10; Y10S; Y10S208/00; Y10S208/01; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |