Patent US2773809A successfully refreshed from Google Patents.
US2773809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of naphtha fractions
Assignee: Universal Oil Products Co
•
Filing: 1953-11-16
•
Granted: 1956-12-11
•
Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 Haensel Vladlmir
- 👤 Clarence G Gerhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:15
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96; C; C10; C10G; C10G59/00; C10G59/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS WHICH COMPRISES SEPARATING A HYDROCARBON REFORMING CHARGE STOCK INTO A HIGHER BOILING FRACTION AND A LOWER BOILING FRACTION, REFORMING THE LOWER BOILING FRACTION IN THE PRESENCE OF ADDED HYDROGEN AND A PLATINUM-CONTAINING CATALYST, SEPARATELY REFORMING THE HIGHER BOILING FRACTION IN THE PRESENCE OF A PLATINUMCONTAINING CATALYST OF SUBSTANTIALLY THE SAME COMPOSITION AS SAID FIRST MENTIONED CATALYST, BUT AT A HIGHER HYDROGEN PARTIAL PRESSURE THAN UTILIZED IN THE REFORMING OF THE LOWER BOILING FRACTION, AND SUBJECTING THE LOWER BOILING FRACTION TO AN INTENSITY OF REFORMING CONDITIONS WHICH IS AT LEAST 10 TIMES AS GREAT AS THE INTENSITY OF THE REFORMING CONDITIONS TO WHICH THE HIGHER BOILING FRACTION IS SUBJECTED.
Claim 2
Dependent Claim
110 words
A PROCESS WHICH COMPRISES SEPARATING A HYDROCARBON REFORMING CHARGE STOCK INTO A HIGHER BOILING FRACTION AND A LOWER BOILING FRACTION, REFORMING THE LOWER BOILING FRACTION IN THE PRESENCE OF ADDED HYDROGEN AND A PLATINUM-CONTAINING CATALYST, SEPARATELY REFORMING THE HIGHER BOILING FRACTION IN THE PRESENCE OF A PLATINUMCONTAINING CATALYST OF SUBSTANTIALLY THE SAME COMPOSITION AS SAID FIRST MENTIONED CATALYST, BUT AT A HIGHER HYDROGEN PARTIAL PRESSURE THAN UTILIZED IN THE REFORMING OF THE LOWER BOILING FRACTION, AND SUBJECTING THE LOWER BOILING FRACTION TO AN INTENSITY OF REFORMING CONDITIONS WHICH IS AT LEAST 10 TIMES AS GREAT AS THE INTENSITY OF THE REFORMING CONDITIONS TO WHICH THE HIGHER BOILING FRACTION IS SUBJECTED.
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) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |