US3582262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple stage method for removing chlorine and entrained aluminum chloride particles from a waste gas stream
Assignee: Universal Oil Products Co
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Filing: 1968-12-27
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Granted: 1971-06-01
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Expires: 1988-12-27
Abstract
Abstract A MULTIPLE STAGE SYSTEM FOR REMOVING CHLORINE AND ALUMINUM CHLORIDE PARTICLES FROM A HOT GASEOUS STREAM WHICH EMBODIES AN INITIAL CONDENSATION STEP, PREFERABLY OF THE NATURE OF A CENTRIFUGING-COOLING ZONE, SO AS TO PROVIDE A PARTIAL COOLING OF THE STREAM AND EFFECT SOME COLLECTION OF SUBLIMED ALUMINUM CHLORIDE PARTICLES AND THEN, SUBSEQUENTLY, THERE IS A COUNTERCURRENT SCRUBBING OF THE PARTIALLY COOLED LADEN GASEOUS STREAM IN THE PRESENCE OF AT LEAST ONE BED OF LOOSE MOBILE CONTACT ELEMENTS. A PREFERRED OPERATION MAY ALSO INCORPORATE A COOLINGHUMIDIFICATION STAGE DIRECTLY AHEAD OF THE SCRUBBING STAGE. D R A W I N G
Inventors
- 👤 James P Tomany
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:32
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/68; B01D47/00; B01D47/06; C; C01; C01F; C01F7/00; C01F7/02; C01F7/34; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |