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US3149907A
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Removal of nitric oxide from gas mixtures containing the same
Assignee: Linde GmbH
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Filing: 1961-07-17
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Granted: 1964-09-22
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Karwat Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:26
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/54; B01D53/56; B01D53/74; B01D53/86; B01D53/8621; B01D53/8625; C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR REMOVING NO FROM A GAS MIXTURE CONTAINING NO UP TO ABOUT 50 PARTS PER MILLION OF NO WHICH CONSISTS IN WASHING THE GAS MIXTURE WITH AN AQUEOUS SOLUTION OF NACIO2.
Claim 2
Dependent Claim
33 words
A PROCESS FOR REMOVING NO FROM A GAS MIXTURE CONTAINING NO UP TO ABOUT 50 PARTS PER MILLION OF NO WHICH CONSISTS IN WASHING THE GAS MIXTURE WITH AN AQUEOUS SOLUTION OF NACIO2.
References Cited (Backward Citations)
US1339494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |