US3845150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aromatization of hydrocarbons
Assignee: Mobil Oil AS
•
Filing: 1973-08-24
•
Granted: 1974-10-29
•
Expires: 1993-08-24
Abstract
Abstract 1. IN THE PROCESS OF AROMATIZING HYDROCARBONS BY CONTACTING A FEED COMPRISING SUCH WITH A ZSM-5 TYPE OF CATALYST AT ABOUT 650 TO 1500* F. AND A SPCE VELOCITY OF ABOUT 0.1 TO 15 WHSV IN THE ABENCE OF ADDED HYDROGEN; THE IMPROVEMENT, WHEREBY CARRYING OUT SUCH PROCESS IN A SUBSTANTIALLY HEAT BALANCED CONDITION, WHICH COMPRISES UTILIZING AS SAID HYDROCARBON FEED A MIXTURE OF SATURATED AND UNSATURATED FRACTIONS SO PROPORTIONED THAT THE FEED CONTAINS ABOUT 20 TO 65% REACTIVE SATURATES AND ABOUT 20 TO 50% BY WEIGHT OLEFINS.
Inventors
- 👤 T Yan
- 👤 J Zahner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:09
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; Y; Y10; Y10S; Y10S208/00; Y10S208/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN THE PROCESS OF AROMATIZING HYDROCARBONS BY CONTACTING A FEED COMPRISING SUCH WITH A ZSM-5 TYPE OF CATALYST AT ABOUT 650 TO 1500* F. AND A SPCE VELOCITY OF ABOUT 0.1 TO 15 WHSV IN THE ABENCE OF ADDED HYDROGEN; THE IMPROVEMENT, WHEREBY CARRYING OUT SUCH PROCESS IN A SUBSTANTIALLY HEAT BALANCED CONDITION, WHICH COMPRISES UTILIZING AS SAID HYDROCARBON FEED A MIXTURE OF SATURATED AND UNSATURATED FRACTIONS SO PROPORTIONED THAT THE FEED CONTAINS ABOUT 20 TO 65% REACTIVE SATURATES AND ABOUT 20 TO 50% BY WEIGHT OLEFINS.
Claim 2
Dependent Claim
87 words
IN THE PROCESS OF AROMATIZING HYDROCARBONS BY CONTACTING A FEED COMPRISING SUCH WITH A ZSM-5 TYPE OF CATALYST AT ABOUT 650 TO 1500* F. AND A SPCE VELOCITY OF ABOUT 0.1 TO 15 WHSV IN THE ABENCE OF ADDED HYDROGEN; THE IMPROVEMENT, WHEREBY CARRYING OUT SUCH PROCESS IN A SUBSTANTIALLY HEAT BALANCED CONDITION, WHICH COMPRISES UTILIZING AS SAID HYDROCARBON FEED A MIXTURE OF SATURATED AND UNSATURATED FRACTIONS SO PROPORTIONED THAT THE FEED CONTAINS ABOUT 20 TO 65% REACTIVE SATURATES AND ABOUT 20 TO 50% BY WEIGHT OLEFINS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |