US3101996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removal of acid gas from gas streams
Assignee: Chemical Construction Corp
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Filing: 1961-03-29
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Granted: 1963-08-27
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Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Sidney A Bresler
- 👤 Arthur W Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:34
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
IN A PROCESS FOR REMOVING A WEAKLY ACIDIC GAS COMPONENT FORM A HOT GAS STREAM WHICH COMPRISES SCRUBBING SAID GAS STREAM WITH A LIQUID ALKALINE ABSORBENT FOR
Claim 2
Dependent Claim
27 words
IN A PROCESS FOR REMOVING A WEAKLY ACIDIC GAS COMPONENT FORM A HOT GAS STREAM WHICH COMPRISES SCRUBBING SAID GAS STREAM WITH A LIQUID ALKALINE ABSORBENT FOR
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |