US3015368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of desiccants
Assignee: ExxonMobil Oil Corp
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Filing: 1960-03-16
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Granted: 1962-01-02
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Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Luther J Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:43
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; C; C10; C10G; C10G25/00; C10G25/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD FOR INHIBITING FOULING OF A SOLID POROUS SILCEOUS DESICCANT CONSISTING ESSENTILLY OF AT LEAST ABOUT 97 PERCENT BY WEIGHT SILICA AND A SMALL AMOUNT NOT EXCEEDING BOUT 3 PERCENT BY WEIGH OF AN OXIDE OF A PERIODIC SELECTED FROM GROUP 11A, 11B, AND 1VA OF TE PERIODIC TABLE, ATTRIBUTABLE TO THE ACCUMULATION THEREIN OF CARBONACEOUS DEPOSIT RESULTING FROM CATALYTIC CONVERSION UNDER CONDITIONS OF ELEVATED TEMPERATURE OF PREVIOUS ADSORBED HYDROCARBON WHICH COMPRISES TREATING SAID DESICANT PRIOR TO ADSORPTION OF SAID HYDROCARBON WITH AN ALPHATIC AMINE.
Claim 2
Independent Claim
86 words
A METHOD FOR INHIBITING FOULING OF A SOLID POROUS SILCEOUS DESICCANT CONSISTING ESSENTILLY OF AT LEAST ABOUT 97 PERCENT BY WEIGHT SILICA AND A SMALL AMOUNT NOT EXCEEDING BOUT 3 PERCENT BY WEIGH OF AN OXIDE OF A PERIODIC SELECTED FROM GROUP 11A, 11B, AND 1VA OF TE PERIODIC TABLE, ATTRIBUTABLE TO THE ACCUMULATION THEREIN OF CARBONACEOUS DEPOSIT RESULTING FROM CATALYTIC CONVERSION UNDER CONDITIONS OF ELEVATED TEMPERATURE OF PREVIOUS ADSORBED HYDROCARBON WHICH COMPRISES TREATING SAID DESICANT PRIOR TO ADSORPTION OF SAID HYDROCARBON WITH AN ALPHATIC AMINE.
References Cited (Backward Citations)
US2930447A
Cited
US2935539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |