US3217050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal catalyzed conversion of organic compounds
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-06-07
•
Granted: 1965-11-09
•
Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Schriesheim Alan
- 👤 Jr Charles A Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:38
CPC Classifications
C; C07; C07C; C07C319/00; C07C319/22; C07C319/24; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/74; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C08; C08F; C08F10/00; C07C2531/00; C07C2531/02; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/942
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
IN AN ALKYLATION REACTION PROCESS WHEREIN AN ALKYL AROMATIC COMPOUND CONTAINING A WEAKLY IONIZABLE CARBON TO HYDROGEN BOND AND CAPABLE OF FORMING AN ANION RADICAL IS REACTED TO FORM A REACTION PRODUCT, THE IMPROVEMENT WHICH COMPRISES FORMING SAID ANION RADICAL BY CONTACTING SAID ALKYL AROMATIC WITH A CATALYST SYSTEM CONSISTING ESSENTIALLY OF AN ALKALI METAL AND A SOLVENT HAVING THE FORMULA:
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |