US2759899A
Expired / Lapsed
US
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Conversion catalysts and processes for bonding the catalyst composites
Assignee: Union Oil Company of California
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Filing: 1952-10-03
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Granted: 1956-08-21
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Expires: 1972-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ross A Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/0009; B01J21/00; B01J21/16; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR BONDING SMALL CATALYST PARTICLES INTO LARGER GRANULES HAVING A HIGH RESISTANCE TO ABRASION WHICH COMPRISES DISTRIBUTING SAID SMALL CATALYST PARTICLES IN INTIMATELY BONDED RELATIONSHIP WITHIN A CLAY COMPOSITE, SAID CLAY COMPOSITE HAVING BEEN FORMED BY INTIMATELY MIXING WATER, A POWDERED ACID-WASHED BENTONITE CLAY AND A POWDERED KAOLIN CLAY TO FORM A MOIST PLASTIC MASS, THE WEIGHT-RATION OF KAOLIN/BENTONITE IN SAID PLASTIC MASS BEING BETWEEN ABOUT 35/65 AND 5/95 ON A DRY BASIS, SHAPING SAID PLASTIC MASS INTO THE FORM DESIRED FOR SAID CATALYST GRANULES, AND SUBSEQUENTLY DRYING AND CALCINING THE SHAPED GRANULES.
Claim 2
Independent Claim
95 words
A METHOD FOR BONDING SMALL CATALYST PARTICLES INTO LARGER GRANULES HAVING A HIGH RESISTANCE TO ABRASION WHICH COMPRISES DISTRIBUTING SAID SMALL CATALYST PARTICLES IN INTIMATELY BONDED RELATIONSHIP WITHIN A CLAY COMPOSITE, SAID CLAY COMPOSITE HAVING BEEN FORMED BY INTIMATELY MIXING WATER, A POWDERED ACID-WASHED BENTONITE CLAY AND A POWDERED KAOLIN CLAY TO FORM A MOIST PLASTIC MASS, THE WEIGHT-RATION OF KAOLIN/BENTONITE IN SAID PLASTIC MASS BEING BETWEEN ABOUT 35/65 AND 5/95 ON A DRY BASIS, SHAPING SAID PLASTIC MASS INTO THE FORM DESIRED FOR SAID CATALYST GRANULES, AND SUBSEQUENTLY DRYING AND CALCINING THE SHAPED GRANULES.
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) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |