Patent US2838585A successfully refreshed from Google Patents.
US2838585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of acetylene by incomplete combustion of hydrocarbons with oxygen, and apparatus therefor
Assignee: BASF SE
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Filing: 1955-01-13
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Granted: 1958-06-10
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Expires: 1975-01-13
Abstract
No abstract record available.
Inventors
- 👤 Lehrer Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/22; C07C11/24; C07C2/00; C07C2/76; C07C2/78; C10; C10G; C10G9/00; C10G9/34; C10G9/36; C10G9/38
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
128 words
IN A PROCESS FOR THE PRODUCTION OF ACETYLENE BY INCOMPLETE COMBUSTION OF A BASEOUS HYDROCARBON WITH AN OXYGEN-CONTAINING GAS WHEREIN A GASEOUS HYDROCARBON AND AN OXYGEN-CONTAINING GAS ARE SEPARATELY PREHEATED AND SEPARATELY INTRODUCED INTO AN INLET ZONE OF A MIXING CHAMBER TO FORM A GASEOUS MIXTURE THEREIN, SAID MIXING CHAMBER WIDENING CONICALLY FROM ITS INLET ZONE TO AN OUTLET INTO A REACTION CHAMBER IN WHICH THE GASES REACT IN A FLAME REACTION, THE METHOD FOR COUNTERACTING PREMATURE IGNITION OF THE GASEOUS MIXTURE IN SAID MIXING CHAMBER WHICH COMPRISES MONITORING THE PRESSURE IN THE VICINITY OF SAID INLET ZONE FOR AN INCREASE IN PRESSURE INDUCED BY SAID PREMATURE IGNITION, AND ALTERING THE COMPOSITION OF SAID GASEOUS MIXTURE TO RENDER SAID MIXTURE INCOMBUSTIBLE IN RESPONSE TO SAID INCREASE IN PRESSURE.
Claim 2
Dependent Claim
128 words
IN A PROCESS FOR THE PRODUCTION OF ACETYLENE BY INCOMPLETE COMBUSTION OF A BASEOUS HYDROCARBON WITH AN OXYGEN-CONTAINING GAS WHEREIN A GASEOUS HYDROCARBON AND AN OXYGEN-CONTAINING GAS ARE SEPARATELY PREHEATED AND SEPARATELY INTRODUCED INTO AN INLET ZONE OF A MIXING CHAMBER TO FORM A GASEOUS MIXTURE THEREIN, SAID MIXING CHAMBER WIDENING CONICALLY FROM ITS INLET ZONE TO AN OUTLET INTO A REACTION CHAMBER IN WHICH THE GASES REACT IN A FLAME REACTION, THE METHOD FOR COUNTERACTING PREMATURE IGNITION OF THE GASEOUS MIXTURE IN SAID MIXING CHAMBER WHICH COMPRISES MONITORING THE PRESSURE IN THE VICINITY OF SAID INLET ZONE FOR AN INCREASE IN PRESSURE INDUCED BY SAID PREMATURE IGNITION, AND ALTERING THE COMPOSITION OF SAID GASEOUS MIXTURE TO RENDER SAID MIXTURE INCOMBUSTIBLE IN RESPONSE TO SAID INCREASE IN PRESSURE.
Claim 3
Dependent Claim
126 words
IN COMBINATION WITH APPARATUS FOR THE PRODUCTION OF ACETYLENE BY IMCOMPLETE COMBUSTION OF A GASEOUS HYDROCARBON WITH AN OXYGEN-CONTAINING GAS WHEREIN PREHEATED GASEOUS HYDROCARBON AND PREHEATED OXYGEN-CONTAINING GAS ARE MIXED AND THEN REACTED IN A FLAME REACTION, SAID APPARATUS INCLUDING A MIXING CHAMBER CONNECTED TO A REACTION CHAMBER, AND MEANS FOR SEPARATELY INTRODUCING SAID PREHEATED GASES INTO AN INLET ZONE OF SAID MIXING CHAMBER, SAID MIXING CHAMBER WIDENING CONICALLY FROM ITS SAID INLET ZONE TO ITS OUTLET SAID REACTION CHAMBER, MEANS FOR COUNTERACTING PREMATURE IGNITION IN SAID MIXING CHAMBER WHICH COMPRISE A PRESSURE-SENSITIVE DEVICE IN GASEOUS COMMUNICATION IN THE VICINITY OF SAID INLET ZONE WITH AT LEAST ON OF SAID GASES, AND MEANS RESPONSIVE TO SAID PRESSURE-SENSITIVE DEVICE FOR QUENCHING A FLAME IN SAID MIXING CHAMBER.
Claim 4
Dependent Claim
126 words
IN COMBINATION WITH APPARATUS FOR THE PRODUCTION OF ACETYLENE BY IMCOMPLETE COMBUSTION OF A GASEOUS HYDROCARBON WITH AN OXYGEN-CONTAINING GAS WHEREIN PREHEATED GASEOUS HYDROCARBON AND PREHEATED OXYGEN-CONTAINING GAS ARE MIXED AND THEN REACTED IN A FLAME REACTION, SAID APPARATUS INCLUDING A MIXING CHAMBER CONNECTED TO A REACTION CHAMBER, AND MEANS FOR SEPARATELY INTRODUCING SAID PREHEATED GASES INTO AN INLET ZONE OF SAID MIXING CHAMBER, SAID MIXING CHAMBER WIDENING CONICALLY FROM ITS SAID INLET ZONE TO ITS OUTLET SAID REACTION CHAMBER, MEANS FOR COUNTERACTING PREMATURE IGNITION IN SAID MIXING CHAMBER WHICH COMPRISE A PRESSURE-SENSITIVE DEVICE IN GASEOUS COMMUNICATION IN THE VICINITY OF SAID INLET ZONE WITH AT LEAST ON OF SAID GASES, AND MEANS RESPONSIVE TO SAID PRESSURE-SENSITIVE DEVICE FOR QUENCHING A FLAME IN SAID MIXING CHAMBER.
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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |