US3115532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization catalyst and method for manufacture thereof
Assignee: ExxonMobil Oil Corp
•
Filing: 1960-09-30
•
Granted: 1963-12-24
•
Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Albert B Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/2226; C07C5/224; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J27/1804; C07C5/27; C07C5/29; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A PROCESS FOR THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON HAVING 4 TO 7 CARBON ATOMS PER MOLECULE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 400*F. TO ABOUT 1000*F., UNDER CONDITIONS OF SUBSTANTILLY ATMOSPHERIC PRESSURE, UTILIZING A LIQUID HOURLY SPACE VELOCITY OF BETWEEN ABOUT 0.5 AND ABOUT 40 IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A CERIUM PHOSPHATE COGEL IN WHICH THE ATOMIC RATIO OF PHOSPHORUS T CERIUM IS BETWEEN 0.1 AND 5.0.
Claim 2
Dependent Claim
75 words
A PROCESS FOR THE ISOMERIZATION OF AN ISOMERIZABLE HYDROCARBON HAVING 4 TO 7 CARBON ATOMS PER MOLECULE AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 400*F. TO ABOUT 1000*F., UNDER CONDITIONS OF SUBSTANTILLY ATMOSPHERIC PRESSURE, UTILIZING A LIQUID HOURLY SPACE VELOCITY OF BETWEEN ABOUT 0.5 AND ABOUT 40 IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A CERIUM PHOSPHATE COGEL IN WHICH THE ATOMIC RATIO OF PHOSPHORUS T CERIUM IS BETWEEN 0.1 AND 5.0.
Claim 3
Dependent Claim
123 words
AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF A CERIUM PHOSPHATE COGEL RESULTING FROM REACTION, IN AQUEOUS SOLUTION, OF A WATER-SOLUBLE CERIUM SLT AND A WATERSOLUBLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXYACIDS OF PHORPHORUS AND SALTS OF SAID ACIDS TO YIELD A HYDROSOL CHARACTERIZED BY AN INHERENT CAPACITY TO SET TO A HYDROGEL, HAVING A PH BETWEEN ABOUT -1 AND ABOUT 2.5 AND IN WHICH THE ATOMIC RATIO IF PHOSPHORUS TO CERIUM IS BETWEEN ABOUT 0.1 AND ABOUT 5.0, AND WHEREIN THE CONCENTRATION OF CERIUM IS IN THE RANGE OF 0.1 TO 5.0 GRAM ATOMS PER LITER OF HYDROSOL, RETAINING IN SAID SOL SUBSTANTIALLY ALL THE CONSITUENTS THEREOF UNTIL GELATION OCCURS, WASHING THE HYDROGEL FREE OF WATER-SOLUBLE MATTER AND DRYING THE WASHED HYDROGEL.
Claim 4
Dependent Claim
123 words
AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF A CERIUM PHOSPHATE COGEL RESULTING FROM REACTION, IN AQUEOUS SOLUTION, OF A WATER-SOLUBLE CERIUM SLT AND A WATERSOLUBLE COMPOUND SELECTED FROM THE GROUP CONSISTING OF OXYACIDS OF PHORPHORUS AND SALTS OF SAID ACIDS TO YIELD A HYDROSOL CHARACTERIZED BY AN INHERENT CAPACITY TO SET TO A HYDROGEL, HAVING A PH BETWEEN ABOUT -1 AND ABOUT 2.5 AND IN WHICH THE ATOMIC RATIO IF PHOSPHORUS TO CERIUM IS BETWEEN ABOUT 0.1 AND ABOUT 5.0, AND WHEREIN THE CONCENTRATION OF CERIUM IS IN THE RANGE OF 0.1 TO 5.0 GRAM ATOMS PER LITER OF HYDROSOL, RETAINING IN SAID SOL SUBSTANTIALLY ALL THE CONSITUENTS THEREOF UNTIL GELATION OCCURS, WASHING THE HYDROGEL FREE OF WATER-SOLUBLE MATTER AND DRYING THE WASHED HYDROGEL.
References Cited (Backward Citations)
US2527522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |