US3252889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cracking catalyst and process of cracking
Assignee: Gulf Research and Development Co
•
Filing: 1963-07-16
•
Granted: 1966-05-24
•
Expires: 1983-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert G Capell
- 👤 William T Granquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; B; B01; B01J; B01J21/00; B01J21/16; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/40; C10G11/05; B01J2229/00; B01J2229/30; B01J2229/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE PROCESS WHICH COMPRISES SUBJECTING A HYDROCARBON TO HYDROCARBON CATALYTIC CRACKING AT A TEMPERATURE OF ABOUT 600* TO 1100*F. AND A PRESSURE FROM SUBSTANTIALLY ATMOSPHERIC TO ABOUT 200 P.S.I. IN THE PRESENCE OF A HYDROCARBON CRACKING CATALYST OBTAINED BY THE DEHYDRATION OF A SYNTHETIC LAYER-TYPE, CLAY-LIKE MINERAL HAVING THE EMPIRICAL FORMULA:
Claim 2
Dependent Claim
51 words
THE PROCESS WHICH COMPRISES SUBJECTING A HYDROCARBON TO HYDROCARBON CATALYTIC CRACKING AT A TEMPERATURE OF ABOUT 600* TO 1100*F. AND A PRESSURE FROM SUBSTANTIALLY ATMOSPHERIC TO ABOUT 200 P.S.I. IN THE PRESENCE OF A HYDROCARBON CRACKING CATALYST OBTAINED BY THE DEHYDRATION OF A SYNTHETIC LAYER-TYPE, CLAY-LIKE MINERAL HAVING THE EMPIRICAL 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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |