US2901061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovering chemical mists from gases
Assignee: International Minerals and Chemical Corp
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Filing: 1954-11-30
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Granted: 1959-08-25
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Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 Rufus G Hartig
- 👤 James R Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:15
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/69; C01B17/74; C01B17/76; C01B25/00; C01B25/12; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD FOR THE ELIMINATION OF SULFUR TRIOXIDE MIST FROM GASES WHICH COMPORISES PASSING A GAS STREAM CONTAINING SULFUR TRIOXIDE MIST THROUGH A CONFINED SPACE PACKED WITH MATERIAL INERT WITH RESPECT TO SAID GAS STREAM AND SULFUR TRIOXIDE MIST AND HAVING A PARTICLE SIZE DISTRIBUTED THROUGH A SUBSTANTIAL RANGE OF PARTICLE SIZES INCLUDED IN THE RANGE BETWEEN ABOUT 10 MESH AND ABOUT 80 MESH STANDARD SCREEN SIZE, WHILE ALSO FLOWING A LIQUID HAVING ABSORPTIVE POWER FOR SULFUR TRIOCIDE THROUGH SAID CONFINED SPACE IN SUCH VOLUME AS TO MAINTAIN A BACK PRESSURE ON THE GAS STREAM IN THE RANGE BETWEEN ABOUT 10 INCHES AND ABOUT 30 INCHES OF WATER, AND SEPARATELY REMOVING FROM SAID CONFINED SPACE A GAS STREAM FREE FROM SULFUR TRIOXIDE MIST AND A SULFUR TRIOXIDE ENRICHED LIQUID.
Claim 2
Independent Claim
129 words
A METHOD FOR THE ELIMINATION OF SULFUR TRIOXIDE MIST FROM GASES WHICH COMPORISES PASSING A GAS STREAM CONTAINING SULFUR TRIOXIDE MIST THROUGH A CONFINED SPACE PACKED WITH MATERIAL INERT WITH RESPECT TO SAID GAS STREAM AND SULFUR TRIOXIDE MIST AND HAVING A PARTICLE SIZE DISTRIBUTED THROUGH A SUBSTANTIAL RANGE OF PARTICLE SIZES INCLUDED IN THE RANGE BETWEEN ABOUT 10 MESH AND ABOUT 80 MESH STANDARD SCREEN SIZE, WHILE ALSO FLOWING A LIQUID HAVING ABSORPTIVE POWER FOR SULFUR TRIOCIDE THROUGH SAID CONFINED SPACE IN SUCH VOLUME AS TO MAINTAIN A BACK PRESSURE ON THE GAS STREAM IN THE RANGE BETWEEN ABOUT 10 INCHES AND ABOUT 30 INCHES OF WATER, AND SEPARATELY REMOVING FROM SAID CONFINED SPACE A GAS STREAM FREE FROM SULFUR TRIOXIDE MIST AND A SULFUR TRIOXIDE ENRICHED LIQUID.
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |