US3456027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aromatic hydrocarbons alkylated with normal butene polymers and the method of preparing the same
Assignee: Standard Oil Co
•
Filing: 1966-07-18
•
Granted: 1969-07-15
•
Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 George S Culbertson
- 👤 Albert R Sabol
- 👤 Robert E Karll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:44
CPC Classifications
C; C07; C07C; C07C15/00; C07C15/02; C07C15/107; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/20; C07C2/22; C07C2/54; C07C2/64; C07C2/66; C07C2/68; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |