US2636909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of akomatic
Assignee: —
•
Filing: —
•
Granted: 1953-04-28
•
Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; C07C5/325; C07C15/00; C07C15/02; C07C15/04; C07C2/00; C07C2/76; C10; C10G; C10G35/00; C10G35/04; C10G69/00; C10G69/02; C10G69/08; C10G2400/00; C10G2400/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF CONVERTING C7 NAPHTHENES IN A NAPHTHA CHARGE TO TOULENE WITH THE SIMULTANEOUS PRODUCTION OF AT LEAST ONE AROMATIC HYDROCARBON COMPOUND FROM THE GROUP CONSISTING OF BENZENE AND XYLENES, WHICH METHOD COMPRISES: DISTILLING A NAPHTHA FRACTION OF SUITABLE BOILING RANGE TO REMOVE THEREFROM COMPONENTS BOILING WITHIN 10* F. OF TOLUENE, REFORMING THE REMAINING NAPHTHA UNDER DEHYDROGENATING CONDITIONS EFFECTIVE AT LEAST TO AROMATIZE METHYL CYCLOHEXANE, DISTILLING THE RESULTING REFORMATE AND RECOVERING A TOLUENE-CONTAINING DISTILLATE OF NARROW BOILING RANGE.
Claim 2
Independent Claim
79 words
THE METHOD OF CONVERTING C7 NAPHTHENES IN A NAPHTHA CHARGE TO TOULENE WITH THE SIMULTANEOUS PRODUCTION OF AT LEAST ONE AROMATIC HYDROCARBON COMPOUND FROM THE GROUP CONSISTING OF BENZENE AND XYLENES, WHICH METHOD COMPRISES: DISTILLING A NAPHTHA FRACTION OF SUITABLE BOILING RANGE TO REMOVE THEREFROM COMPONENTS BOILING WITHIN 10* F. OF TOLUENE, REFORMING THE REMAINING NAPHTHA UNDER DEHYDROGENATING CONDITIONS EFFECTIVE AT LEAST TO AROMATIZE METHYL CYCLOHEXANE, DISTILLING THE RESULTING REFORMATE AND RECOVERING A TOLUENE-CONTAINING DISTILLATE OF NARROW BOILING RANGE.
References Cited (Backward Citations)
US2406394A
Cited
US2589523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |