Patent US3032599A successfully refreshed from Google Patents.
US3032599A
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Sulfate-treated zirconia-gel catalyst
Assignee: Phillips Petroleum Co
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Filing: 1958-05-05
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Granted: 1962-05-01
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Expires: 1978-05-05
Abstract
No abstract record available.
Inventors
- 👤 Vernon C F Holm
- 👤 Grant C Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:01
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/066; B01J23/00; B01J23/38; B01J23/40; B01J23/44; C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2772; C07C5/2791; B01J37/00; B01J37/20; C07C2521/00; C07C2521/06; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE PROCESS OF ISOMERIZING HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF NORMAL-BUTANE AND NORMALPENTANE WHICH COMPRISES CONTACTING SAID HYDROCARBON WTIH A CATALYST CONSISTING ESSENTIALLY OF S SULFATE-TREATED ZIRCONIA-GEL AT A TEMPERATURE BETWEEN ABOUT 25 AND ABOUT 400*C. AND A PRESSURE FORM ATMOSPHERIC TO ABOUT 1000 P.S.I. AND AT A SPACE VELOCITY OF BETWEEN ABOUT 0.1 AND ABOUT 20.
Claim 2
Dependent Claim
58 words
THE PROCESS OF ISOMERIZING HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF NORMAL-BUTANE AND NORMALPENTANE WHICH COMPRISES CONTACTING SAID HYDROCARBON WTIH A CATALYST CONSISTING ESSENTIALLY OF S SULFATE-TREATED ZIRCONIA-GEL AT A TEMPERATURE BETWEEN ABOUT 25 AND ABOUT 400*C. AND A PRESSURE FORM ATMOSPHERIC TO ABOUT 1000 P.S.I. AND AT A SPACE VELOCITY OF BETWEEN ABOUT 0.1 AND ABOUT 20.
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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |