US3337446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Employing a substituted ultramarine mineral as a hydrocracking catalyst for hydrocarbons
Assignee: Sinclair Research Inc
•
Filing: 1964-10-30
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Granted: 1967-08-22
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Engebretson
- 👤 Mooi John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:36
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; B; B01; B01J; B01J21/00; B01J21/16; C10G47/12; Y; Y10; Y10S; Y10S423/00; Y10S423/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A SOLID CONTACT MATERIAL CONSISTING ESSENTIALLY OF A SUBSTITUTED ULTRAMARINE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
35 words
A METHOD FOR THE CONVERSION OF A HYDROCARBON FEEDSTOCK BOILING ABOVE THE GASOLINE RANGE WHICH COMPRISES CONTACTING SAID FEEDSTOCK UNDER CRACKING CONDITIONS WITH THE CONTACT MATERIAL OF CLAIM 6 AND RECOVERING GASOLINE FROM SAID CONTACTING.
References Cited (Backward Citations)
US3140249A
Cited
US3140253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |