US3301794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing improved catalytic particles
Assignee: Mobil Oil AS
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Filing: 1963-01-23
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Granted: 1967-01-31
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Cramer
- 👤 Abbott F Houser
- 👤 Jr Kenneth I Jagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A PROCESS FOR MANUFACTURING A PARTICLE-FORM GEL COMPOSITE BY INTRODUCING A MIXTURE COMPRISING FINELY DIVIDED CRYSTALLINE ALUMINOSILICATE AND AN INORGANIC OXIDE SOL INTO A BODY OF WATER-IMMISCIBLE FLUID IN THE FORM OF GLOBULES, PERMITTING SAID GLOBULES OF SOL TO SET TO HYDROGEL IN SAID WATER-IMMISCIBLE FLUID, REMOVING THE PARTICLES OF HYDROGEL SO FORMED FROM THE SAID FLUID, BASE EXCHANGING TO REMOVE ZEOLITIC METAL THEREFROM AND DRYING, THE IMPROVEMENT WHICH COMPRISES PASSING OVER THE HYDROGEL COMPOSITE PARTICLES, AFTER REMOVAL FROM SAID FLUID BUT PRIOR TO BASE EXCHANGE, AN AQUEOUS INORGANIC AMMONIUMCONTAINING SOLUTION HAVING THEREIN ABOUT 30 TO ABOUT 1000 PARTS PER MILLION OF A SURFACE-ACTIVE AGENT AT A RATE TO PROVIDE TURBULENT FLOW OF SAID SOLUTION CORRESPONDING TO A REYNOLDS NUMBER OF AT LEAST 300 FOR A PERIOD OF TIME TO REMOVE WATER-IMMISCIBLE FLUID FROM SAID HYDROGEL PARTICLES.
Claim 2
Dependent Claim
138 words
IN A PROCESS FOR MANUFACTURING A PARTICLE-FORM GEL COMPOSITE BY INTRODUCING A MIXTURE COMPRISING FINELY DIVIDED CRYSTALLINE ALUMINOSILICATE AND AN INORGANIC OXIDE SOL INTO A BODY OF WATER-IMMISCIBLE FLUID IN THE FORM OF GLOBULES, PERMITTING SAID GLOBULES OF SOL TO SET TO HYDROGEL IN SAID WATER-IMMISCIBLE FLUID, REMOVING THE PARTICLES OF HYDROGEL SO FORMED FROM THE SAID FLUID, BASE EXCHANGING TO REMOVE ZEOLITIC METAL THEREFROM AND DRYING, THE IMPROVEMENT WHICH COMPRISES PASSING OVER THE HYDROGEL COMPOSITE PARTICLES, AFTER REMOVAL FROM SAID FLUID BUT PRIOR TO BASE EXCHANGE, AN AQUEOUS INORGANIC AMMONIUMCONTAINING SOLUTION HAVING THEREIN ABOUT 30 TO ABOUT 1000 PARTS PER MILLION OF A SURFACE-ACTIVE AGENT AT A RATE TO PROVIDE TURBULENT FLOW OF SAID SOLUTION CORRESPONDING TO A REYNOLDS NUMBER OF AT LEAST 300 FOR A PERIOD OF TIME TO REMOVE WATER-IMMISCIBLE FLUID FROM SAID HYDROGEL PARTICLES.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |