US3222847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of spraying and cooling a gas
Assignee: Cabot Corp
•
Filing: 1963-09-05
•
Granted: 1965-12-14
•
Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Robert N Secord
- 👤 Charles B Wendell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:34
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/06; B; B01; B01D; B01D47/00; B01D47/06; B01J; B01J2/00; B01J2/16; C01B; C01B33/00; C01B33/08; C01C; C01C1/00; C01C1/02; C01C1/04; C01C1/0405; C01C3/00; C01C3/02; C01C3/0208; C01C3/0212; C01C3/022; C01C3/0225; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE PROCESS OF SIMULTANEOUSLY COOLING AND REMOVING ENTRAINED SOLIDS FROM A STREAM COMPRISING A HOT GASEOUS MEDIUM WHICH PROCESS COMPRISES CONTACTING SAID GASEOUS MEDIUM WITH A VOLATILE LIQUID SPRAY IN A COOLING ZONE TO AGGLOMERATE SAID SOLIDS WHICH COOLING SAID GASEOUS MEDIUM AND EVAPORATE SAID LIQUID THE IMPROVEMENT WHICH COMPRISES INTRODUCING A SPRAY OF SAID LIQUID INTO THE LOWER PORTION OF SAID ZONE, SAID SPRAY BEING DIRECTED UPWARDLY INTO THE UPPER PORTION OF SAID ZONE AND COUNTERCURRENTLY TO SAID STREAM THEREBY PROVIDING A RELATIVELY LARGE CONTACT TIME BETWEEN SAID LIQUID AND SAID MEDIUM.
Claim 2
Dependent Claim
94 words
IN THE PROCESS OF SIMULTANEOUSLY COOLING AND REMOVING ENTRAINED SOLIDS FROM A STREAM COMPRISING A HOT GASEOUS MEDIUM WHICH PROCESS COMPRISES CONTACTING SAID GASEOUS MEDIUM WITH A VOLATILE LIQUID SPRAY IN A COOLING ZONE TO AGGLOMERATE SAID SOLIDS WHICH COOLING SAID GASEOUS MEDIUM AND EVAPORATE SAID LIQUID THE IMPROVEMENT WHICH COMPRISES INTRODUCING A SPRAY OF SAID LIQUID INTO THE LOWER PORTION OF SAID ZONE, SAID SPRAY BEING DIRECTED UPWARDLY INTO THE UPPER PORTION OF SAID ZONE AND COUNTERCURRENTLY TO SAID STREAM THEREBY PROVIDING A RELATIVELY LARGE CONTACT TIME BETWEEN SAID LIQUID AND SAID MEDIUM.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |