Patent US3287091A successfully refreshed from Google Patents.
US3287091A
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Device for carrying out a chemical reaction
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1963-04-18
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Granted: 1966-11-22
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Expires: 1983-04-18
Abstract
No abstract record available.
Inventors
- 👤 Nollet Patrick
- 👤 Sarrat Pierre
- 👤 Vuillemey Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:01
CPC Classifications
C; C01; C01G; C01G43/00; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2334; B01F23/23341; B01F23/40; B01F23/45; B01F23/454; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/433; B01F25/4335; B01F33/00; B01F33/80; B01F33/81; B01J; B01J19/00; B01J19/18; B01J19/1868; B01J19/1875; B01J19/26; B01J4/00; B01J4/001; B01F23/2336; B01F23/23362; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00058; B01J2219/00132; B01J2219/00135; B01J2219/00139; B01J2219/00146; B01J2219/0015; B01J2219/00155; B01J2219/00162; B01J2219/00164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DEVICE FOR CARRYING OUT CONTINUOUS CHEMICAL REACTION IN A LIQUID PHASE BETWEEN AT LEAST ONE CONSTITUENT OF SAID PHASE AND A GASEOUS FLUID, SAID DEVICE COMPRISING A SONIC VENTURI-TUBE INJECTOR, A DOWN-STREAM END FOR SAID INJECTOR, SAID DOWN-STREAM END BEING IMMERSED IN SAID LIQUID PHASE AND MEANS FOR SUPPLYING A GASEOUS PHASE TO SAID INJECTOR AT A SUBSTANTIALLY CONSTANT UPSTREAM PRESSURE, A VERTICAL CYLINDRICAL PRECIPITATOR CHAMBER, SAID INJECTOR BEING MOUNTED WITHIN SAID CHAMBER, AN INNER TUBE FOR SAID CHAMBER COAXIAL WITH SAID CHAMBER, A FLARED LOWER EXTREMITY FOR SAID TUBE, A FEED DISTRBUTOR SPACED FROM AND BENEATH SAID FLARED EXTREMITY AT THE BOTTOM OF SAID CHAMBER, A LIQUID SUPPLY CONDUIT CONNECTED TO SAID DIS-
Claim 2
Independent Claim
115 words
A DEVICE FOR CARRYING OUT CONTINUOUS CHEMICAL REACTION IN A LIQUID PHASE BETWEEN AT LEAST ONE CONSTITUENT OF SAID PHASE AND A GASEOUS FLUID, SAID DEVICE COMPRISING A SONIC VENTURI-TUBE INJECTOR, A DOWN-STREAM END FOR SAID INJECTOR, SAID DOWN-STREAM END BEING IMMERSED IN SAID LIQUID PHASE AND MEANS FOR SUPPLYING A GASEOUS PHASE TO SAID INJECTOR AT A SUBSTANTIALLY CONSTANT UPSTREAM PRESSURE, A VERTICAL CYLINDRICAL PRECIPITATOR CHAMBER, SAID INJECTOR BEING MOUNTED WITHIN SAID CHAMBER, AN INNER TUBE FOR SAID CHAMBER COAXIAL WITH SAID CHAMBER, A FLARED LOWER EXTREMITY FOR SAID TUBE, A FEED DISTRBUTOR SPACED FROM AND BENEATH SAID FLARED EXTREMITY AT THE BOTTOM OF SAID CHAMBER, A LIQUID SUPPLY CONDUIT CONNECTED TO SAID DIS-
References Cited (Backward Citations)
US1480324A
Cited
US1582899A
Cited
US1740441A
Cited
US1808956A
Cited
US2450174A
Cited
US2466118A
Cited
US2953430A
Cited
US3000698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |