US3352796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst for hydrocarbon conversions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-09-11
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Granted: 1967-11-14
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Gladrow Elroy Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:46
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/082; B01J29/70; B01J29/7003; B01J2229/00; B01J2229/30; B01J2229/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN IMPROVED PROCESS FOR PREPARING CRYSTALLINE ALUMINO-SILICATE ZEOLITE CATALYST FOR USE IN FLUIDIZED BED OPERATION WHICH COMPRISES MAINTAINING A SILICA HYDROSOL AT A PH IN THE RANGE OF 4.8 TO 6.5 TO ALLOW SAID SILICA HYDROSOL TO CONVERT TO A HYDROGEL, REVERTING SAID HYDROGEL TO A HYDROSOL AND ADMIXING THEREWITH A CRYSTALLINE ALUMINO-SILICATE ZEOLITE, SUBJECTING THE ADMIXTURE OF SILICA AND CRYSTALLINE ALUMINO-SILICATE ZEOLITE TO SPRAY DRYING TO FORM A MATERIAL COMPRISING ZEOLITE EMBEDDED IN A SILICEOUS MIXTURE AND CHARACTERIZED BY HIGH POROSITY AND SPHERICAL PARTICLE STRUCTURE THEREBY BEING OBTAINED.
Claim 2
Dependent Claim
89 words
AN IMPROVED PROCESS FOR PREPARING CRYSTALLINE ALUMINO-SILICATE ZEOLITE CATALYST FOR USE IN FLUIDIZED BED OPERATION WHICH COMPRISES MAINTAINING A SILICA HYDROSOL AT A PH IN THE RANGE OF 4.8 TO 6.5 TO ALLOW SAID SILICA HYDROSOL TO CONVERT TO A HYDROGEL, REVERTING SAID HYDROGEL TO A HYDROSOL AND ADMIXING THEREWITH A CRYSTALLINE ALUMINO-SILICATE ZEOLITE, SUBJECTING THE ADMIXTURE OF SILICA AND CRYSTALLINE ALUMINO-SILICATE ZEOLITE TO SPRAY DRYING TO FORM A MATERIAL COMPRISING ZEOLITE EMBEDDED IN A SILICEOUS MIXTURE AND CHARACTERIZED BY HIGH POROSITY AND SPHERICAL PARTICLE STRUCTURE THEREBY BEING OBTAINED.
References Cited (Backward Citations)
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |