US3268296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for treating gas streams
Assignee: Hooker Chemical Corp
•
Filing: 1963-04-08
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Granted: 1966-08-23
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Expires: 1983-04-08
Abstract
No abstract record available.
Inventors
- 👤 Myron C Hall
- 👤 Richard G Woodland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:51
CPC Classifications
F; F23; F23J; F23J15/00; F23J15/02; B; B01; B01D; B01D47/00; B01D47/06; B01D50/00; C; C01; C01B; C01B7/00; C01B7/01; C01B7/09; C01B7/13; C01B7/19; C01B7/191
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PROCESS FOR TREATING A GAS CONTAINING SOLID PARTICLES OF A SIZE NOT SUBSTANTIALLY IN EXCESS OF ABOUT 5 MICRONS WHICH COMPRISES FORMING THE SOLID PARTICLES IN THE GAS INTO A LIQUID-SOLID AEROSOL, HAVING PARTICLES OF A SIZE IN EXCESS OF ABOUT 5 MICRONS, PASSING THE GAS CONTACTING THE THUS-FORMIED AEROSOL THROUGH A FORMAMINOUS MATERIAL, THE FORMAMINE OF WHICH ARE OF A SIZE IN EXCESS OF ABOUT 5 MICRONS, BUT NOT IN EXCESS OF 100 MICRONS, EFFECTING SEPARATION OF THE LIQUID-SOLID AEROSOL FROM THE GAS AS IT PASSES THROUGH THE FORAMINOUS MATERIAL, CONTACTING THE SURFACE OF THE FORAMINOUS MATERIAL WITH WHICH THE GAS FIRST COMES IN CONTACT WITH A FLOWING LIQUID MEDIUM, AND CONTACTING THE SURFACE OF THE FORAMINOUS MATERIAL FROM WHICH THE GAS EXITS AFTER PASSING THROUGH THE MATERIAL WITH A SECOND FLOWING LIQUID MEDIUM, SAID SECOND CONTACT BEING COUNTERCURRENT TO THE FLOW OF THE GAS.
Claim 2
Dependent Claim
147 words
A PROCESS FOR TREATING A GAS CONTAINING SOLID PARTICLES OF A SIZE NOT SUBSTANTIALLY IN EXCESS OF ABOUT 5 MICRONS WHICH COMPRISES FORMING THE SOLID PARTICLES IN THE GAS INTO A LIQUID-SOLID AEROSOL, HAVING PARTICLES OF A SIZE IN EXCESS OF ABOUT 5 MICRONS, PASSING THE GAS CONTACTING THE THUS-FORMIED AEROSOL THROUGH A FORMAMINOUS MATERIAL, THE FORMAMINE OF WHICH ARE OF A SIZE IN EXCESS OF ABOUT 5 MICRONS, BUT NOT IN EXCESS OF 100 MICRONS, EFFECTING SEPARATION OF THE LIQUID-SOLID AEROSOL FROM THE GAS AS IT PASSES THROUGH THE FORAMINOUS MATERIAL, CONTACTING THE SURFACE OF THE FORAMINOUS MATERIAL WITH WHICH THE GAS FIRST COMES IN CONTACT WITH A FLOWING LIQUID MEDIUM, AND CONTACTING THE SURFACE OF THE FORAMINOUS MATERIAL FROM WHICH THE GAS EXITS AFTER PASSING THROUGH THE MATERIAL WITH A SECOND FLOWING LIQUID MEDIUM, SAID SECOND CONTACT BEING COUNTERCURRENT TO THE FLOW OF THE GAS.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |