Patent US2992559A successfully refreshed from Google Patents.
Patent US3054653A successfully refreshed from Google Patents.
US3054653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing acidic organic constituents from gases
Assignee: STWB Inc
•
Filing: 1959-12-31
•
Granted: 1962-09-18
•
Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Barton Daniel Martin
- 👤 Schoeffel Eugene Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:28
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; Y; Y10; Y10S; Y10S210/00; Y10S210/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR PURIFYING STEAM CONTAINING VOLATILIZED ACIDIC ORGANIC IMPURITIES WHICH INCLUDES: CONTINUOUSLY PASSING SAID STEAM AND AN OXYGEN-CONTAINING GAS INTO AN AQUEOUS SOLUTION OF AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALLI METAL HYDROXIDE AND ALKALI METAL CARBONATE, SAID AQUEOUS SOLUTION BEING MAINTAINED AT A TEMPERATURE FROM ABOUT 150 TO 374 DEGREES CENTIGRADE AND UNDER THE VAPOR PRESSURE OF THE REACTANTS AT THE TEMPERATURE EMPLOYED, THEREBY OXIDIZING SAID ORGANIC IMPURITIES TO CARBON DIOXIDE AND WATER, THE THUS FORMED CARBONATE OF THE SAID ALKALI METAL BEILNG CONTINUOUSLY REGENERATED IN SITU.
Claim 2
Dependent Claim
93 words
A PROCESS FOR PURIFYING STEAM CONTAINING VOLATILIZED ACIDIC ORGANIC IMPURITIES WHICH INCLUDES: CONTINUOUSLY PASSING SAID STEAM AND AN OXYGEN-CONTAINING GAS INTO AN AQUEOUS SOLUTION OF AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALKALLI METAL HYDROXIDE AND ALKALI METAL CARBONATE, SAID AQUEOUS SOLUTION BEING MAINTAINED AT A TEMPERATURE FROM ABOUT 150 TO 374 DEGREES CENTIGRADE AND UNDER THE VAPOR PRESSURE OF THE REACTANTS AT THE TEMPERATURE EMPLOYED, THEREBY OXIDIZING SAID ORGANIC IMPURITIES TO CARBON DIOXIDE AND WATER, THE THUS FORMED CARBONATE OF THE SAID ALKALI METAL BEILNG CONTINUOUSLY REGENERATED IN SITU.
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |