Patent US3039251A successfully refreshed from Google Patents.
US3039251A
Expired / Lapsed
US
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Products and process for purifying gases
Assignee: El Paso Natural Gas Products Co
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Filing: 1959-10-02
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Granted: 1962-06-19
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Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Kamlet Jonas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:33
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/1493; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/526; B01D2257/00; B01D2257/30; B01D2257/304; B01D2257/306; B01D2257/50; B01D2257/504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR THE SIMULTANEOUS REMOVAL OF HYDROGEN SULFIDE, WATER, CARBON DIOXIDE AND MERCAPTANS FROM GASES OF THE CLASS CONSISTING ESSENTIALLY OF HYDROCARABONS, HYDROGEN, CARBON MONOXIDE, NITRAOGEN AND MIXTURES THEREFO CONTAINING THE SAME AS IMPURITIES, COMPRISING: CONTACTING SAID GASES WITH AN ABSORBENT CONTAINING AT LEAST ONE MEMBER OF THE GROUP OF COMPOUNDS CONSISTING OF TETRAAHYDROTHIOPHEN - 1,1 - DIOXIDE, 3-METHYLTETRAHYDROTHIOPHENE-1,1 DIOXIDE, 2-METHYLTETRAHYDROATHIOPHENE-1,1-DIOXIDE, 2,5DIMETHYLTETRAHYDROTHIOPHENE-1,1-DIOXIDE AND 3.4-DIMETHYLTETRAHYDROTHIOPHENE-1,1-DIOXIDE.
Claim 2
Dependent Claim
65 words
A PROCESS FOR THE SIMULTANEOUS REMOVAL OF HYDROGEN SULFIDE, WATER, CARBON DIOXIDE AND MERCAPTANS FROM GASES OF THE CLASS CONSISTING ESSENTIALLY OF HYDROCARABONS, HYDROGEN, CARBON MONOXIDE, NITRAOGEN AND MIXTURES THEREFO CONTAINING THE SAME AS IMPURITIES, COMPRISING: CONTACTING SAID GASES WITH AN ABSORBENT CONTAINING AT LEAST ONE MEMBER OF THE GROUP OF COMPOUNDS CONSISTING OF TETRAAHYDROTHIOPHEN - 1,1 - DIOXIDE, 3-METHYLTETRAHYDROTHIOPHENE-1,1 DIOXIDE, 2-METHYLTETRAHYDROATHIOPHENE-1,1-DIOXIDE, 2,5DIMETHYLTETRAHYDROTHIOPHENE-1,1-DIOXIDE AND 3.4-DIMETHYLTETRAHYDROTHIOPHENE-1,1-DIOXIDE.
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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |