US2993938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroisomerization process
Assignee: Universal Oil Products Co
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Filing: 1958-06-18
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Granted: 1961-07-25
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Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:35
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791; C07C5/2702; C07C5/2724; C07C5/29; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A PROCESS FOR THE HYDROISOMERIZATION OF AN ISOMERIZABLE SATURATED HYDROCARBON WHICH COMPRISES CONTACTING SAID SATURATED HYDROCARBON WITH HYDROGEN AT HYDROISOMERIZATION CONDITIONS IN THE PRESENCE OF A HYDROISOMERIZATION CATALYST COMPRISING A HYDROGENATION COMPONENT DEPOSITED ON AN ACID-ACTING SUPPORT, ADDING TO SAID HYDROCARBON PRIOR TO SAID CONTACTING A SULFUR COMPOUND TO CONTROL HYDROCRACKING AND A HALOGEN COMPOUND TO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |