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US3437707A
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Process for aromatic alkylation and olefinic oligomerization
Assignee: Universal Oil Products Co
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Filing: 1967-09-12
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Granted: 1969-04-08
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Expires: 1987-09-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Sulzbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:40
CPC Classifications
C; C07; C07C; C07C15/00; C07C15/02; C07C15/085; C07C11/00; C07C11/02; C07C15/067; C07C15/073; C07C7/00; C07C7/005
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |