Patent US2763622A successfully refreshed from Google Patents.
US2763622A
Expired / Lapsed
US
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Craking catalyst preparation
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-07-10
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Granted: 1956-09-18
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Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles J Plank
- 👤 Peter D Branton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:21
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A METHOD FOR PRODUCING A POROUS ADSORPTIVE CATALYTIC MATERIAL, WHICH COMPRISES INTIMATELY ADMIXING RAW KAOLIN IN AN AMOUNT CORRESPONDING TO LESS THAN 50% BY WEIGHT OF THE TOTAL SOLIDS IN THE SUBSEQUENTLY DRIED PRODUCT WITH
Claim 2
Independent Claim
35 words
A METHOD FOR PRODUCING A POROUS ADSORPTIVE CATALYTIC MATERIAL, WHICH COMPRISES INTIMATELY ADMIXING RAW KAOLIN IN AN AMOUNT CORRESPONDING TO LESS THAN 50% BY WEIGHT OF THE TOTAL SOLIDS IN THE SUBSEQUENTLY DRIED PRODUCT WITH
References Cited (Backward Citations)
US2259485A
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US2487065A
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US2454942A
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US2489332A
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US2474868A
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US2504158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |