US2664450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of acetylene by incomplete combustion of hydrocarbons
Assignee: BASF SE
•
Filing: 1950-05-18
•
Granted: 1953-12-29
•
Expires: 1970-05-18
Abstract
No abstract record available.
Inventors
- 👤 Sachsse Hans
- 👤 Kosbahn Thomas
- 👤 Lehrer Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2/78; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/923; Y10S585/924; Y10S585/925; Y10S585/949; Y10S585/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR THE PRODUCTION OF ACETYLENE BY INCOMPLETE COMBUSTION OF PREHEATED HYDROCARBON GAS WITH OXYGEN WHICH COMPRISES SUPPLYING THE HYDROCARBON GAS THROUGH A TUBE CONCENTRICALLY LOCATED WITHIN ANOTHER TUBE THROUGH WHICH THE OXYGEN IS SUPPLIED, MIXING THE TWO GASES IN AN ELONGATED CHAMBER OF CIRCULAR CROSSSECTION ADJACENT TO SAID SUPPLY TUBES AND ADAPTED TO RECEIVE SAID GASES, AND DISTRIBUTING THE GAS MIXTURE PRIOR TO ITS ENTRY INTO THE COMBUSTION CHAMBER BY MEANS OF A BLOCK HAVING A PLURALITY OF PARALLEL CHANNELS THERETHROUGH, THE CROSS-SECTIONAL AREA OF SAID MIXING CHAMBER INCREASING FROM THE END OF SAID SUPPLY TUBES TO THE END OF SAID DISTRIBUTOR BLOCK AND THE LENGTH OF SAID MIXING CHAMBER BEING AT LEAST THREE TIMES ITS WIDTH.
Claim 2
Dependent Claim
119 words
A PROCESS FOR THE PRODUCTION OF ACETYLENE BY INCOMPLETE COMBUSTION OF PREHEATED HYDROCARBON GAS WITH OXYGEN WHICH COMPRISES SUPPLYING THE HYDROCARBON GAS THROUGH A TUBE CONCENTRICALLY LOCATED WITHIN ANOTHER TUBE THROUGH WHICH THE OXYGEN IS SUPPLIED, MIXING THE TWO GASES IN AN ELONGATED CHAMBER OF CIRCULAR CROSSSECTION ADJACENT TO SAID SUPPLY TUBES AND ADAPTED TO RECEIVE SAID GASES, AND DISTRIBUTING THE GAS MIXTURE PRIOR TO ITS ENTRY INTO THE COMBUSTION CHAMBER BY MEANS OF A BLOCK HAVING A PLURALITY OF PARALLEL CHANNELS THERETHROUGH, THE CROSS-SECTIONAL AREA OF SAID MIXING CHAMBER INCREASING FROM THE END OF SAID SUPPLY TUBES TO THE END OF SAID DISTRIBUTOR BLOCK AND THE LENGTH OF SAID MIXING CHAMBER BEING AT LEAST THREE TIMES ITS WIDTH.
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) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |