US3506731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disproportionation of aromatic hydrocarbons
Assignee: Mobil Oil AS
•
Filing: 1967-10-24
•
Granted: 1970-04-14
•
Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Frilette
- 👤 Mae K Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:53
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/08; C07C6/12; C07C6/123; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/12; C07C2/54; C07C2/64; C07C2/66; C07C5/00; C07C5/22; C07C5/27; C07C5/29; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; C07C2601/00; C07C2601/06; C07C2601/08; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2403757A
Cited
US2882244A
Cited
US2971904A
Cited
US3039953A
Cited
US3130006A
Cited
US3173855A
Cited
US3260764A
Cited
US3182095A
Cited
US3233002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |