US3028295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing obnoxious odors from gases
Assignee: Fabricas de Papel Loreto Y Pena Pobre SA
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Filing: 1958-06-11
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Granted: 1962-04-03
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Expires: 1978-06-11
Abstract
No abstract record available.
Inventors
- 👤 Trobeck Karl Gustav
- 👤 Tirado Adalberto
- 👤 Lenz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:15
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S423/00; Y10S423/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE PROCESS OF REMOVING OBNOXIOUS ODORS FROM GASES RESULTING FROM SULPHATE AND SODA PULP MANUFACTURE, WHICH COMPRISES IN COOLING THESE GASES SO THAT SUBSTANTIALLY ALL WATER VAPOR CONTAINED IN THESE GASES CONDENSES AND SEPARATES FROM THE NON-CONDENSABLE GASES, MIXING THE LIQUID CONDENSATE THUS PRODUCED WITH THE NONCONDENSABLE GASES AND WITH AN OXYGEN CONTAINING GAS, WHEREBY THE LARGER PORTION OF THE OBNOXIOUS ODORS IS ELIMINATED, SEPARATING THE NON-CONDENSABLE GASES FROM THE MIXTURE AND OXIDIZING THE SEPARATED NON-CONDENSABLE GASES WITH AN OXIDIZING AGENT CAPABLE OF OXIDIZING THE REMAINING ODORIFEROUS SUBSTANCES IN THE GAS PRIOR TO RELEASING THE GASES TO THE ATMOSPHERE.
Claim 2
Dependent Claim
99 words
THE PROCESS OF REMOVING OBNOXIOUS ODORS FROM GASES RESULTING FROM SULPHATE AND SODA PULP MANUFACTURE, WHICH COMPRISES IN COOLING THESE GASES SO THAT SUBSTANTIALLY ALL WATER VAPOR CONTAINED IN THESE GASES CONDENSES AND SEPARATES FROM THE NON-CONDENSABLE GASES, MIXING THE LIQUID CONDENSATE THUS PRODUCED WITH THE NONCONDENSABLE GASES AND WITH AN OXYGEN CONTAINING GAS, WHEREBY THE LARGER PORTION OF THE OBNOXIOUS ODORS IS ELIMINATED, SEPARATING THE NON-CONDENSABLE GASES FROM THE MIXTURE AND OXIDIZING THE SEPARATED NON-CONDENSABLE GASES WITH AN OXIDIZING AGENT CAPABLE OF OXIDIZING THE REMAINING ODORIFEROUS SUBSTANCES IN THE GAS PRIOR TO RELEASING THE GASES TO THE ATMOSPHERE.
References Cited (Backward Citations)
US1854428A
Cited
FR1142526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |