Patent US2865844A successfully refreshed from Google Patents.
US2865844A
Expired / Lapsed
US
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Hydroforming process using high activity catalysts containing silica and chromia
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-05-28
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Granted: 1958-12-23
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Expires: 1973-05-28
Abstract
No abstract record available.
Inventors
- 👤 Kirshenbaum Isidor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:50
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR THE CATALYTIC HYDROFORMING OF HYDROCARBON FRACTIONS WHICH COMPRISES CONTACTING SUCH A HYDROCARBON FRACTION IN A HYDROFORMING ZONE MAINTAINED BETWEEN ABOUT 700*F. AND 1150*F. AND AT A PRESSURE BETWEEN ABOUT 0 AND 3000 P. S. I. G. AND WITH ABOUT 1000 TO 10,000 CUBIC FEET PER BARREL OF HYDROGEN PRESENT WITH A CATALYST COMPOSITION WHICH CONSISTS ESSENTIALLY OF 10 WEIGHT PERCENT MOO3 ON A SILICA-CHROMIA SUPPORT, THE SUPPORT CONSISTING ESSENTIALLY OF 52 WEIGHT PERCENT SILICA AND 48 WEIGHT PERCENT CHROMIA.
Claim 2
Dependent Claim
82 words
A PROCESS FOR THE CATALYTIC HYDROFORMING OF HYDROCARBON FRACTIONS WHICH COMPRISES CONTACTING SUCH A HYDROCARBON FRACTION IN A HYDROFORMING ZONE MAINTAINED BETWEEN ABOUT 700*F. AND 1150*F. AND AT A PRESSURE BETWEEN ABOUT 0 AND 3000 P. S. I. G. AND WITH ABOUT 1000 TO 10,000 CUBIC FEET PER BARREL OF HYDROGEN PRESENT WITH A CATALYST COMPOSITION WHICH CONSISTS ESSENTIALLY OF 10 WEIGHT PERCENT MOO3 ON A SILICA-CHROMIA SUPPORT, THE SUPPORT CONSISTING ESSENTIALLY OF 52 WEIGHT PERCENT SILICA AND 48 WEIGHT PERCENT CHROMIA.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |