US3051639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc torch chemical reactions
Assignee: Union Carbide Corp
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Filing: 1958-09-25
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Granted: 1962-08-28
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Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 John E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:13
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; B01J19/26; C; C01; C01B; C01B15/00; C01B15/01; C01B15/027; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/342; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/025; C07; C07C; C07C2/00; C07C2/76; C07C2/80; C07C4/00; C07C4/02; C10; C10G; C10G15/00; H; H01; H01J; H01J37/00; H01J37/32; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/0015; B01J2219/00155; B01J2219/02; B01J2219/0204; B01J2219/0218; B01J2219/0227; B01J2219/025; B01J2219/0277; B01J2219/029; B01J2219/08; B01J2219/0803; B01J2219/0805; B01J2219/0807; B01J2219/0809; B01J2219/0871; B01J2219/0873; B01J2219/0881; B01J2219/0886; B01J2219/0894; C10G2400/00; C10G2400/20; Y; Y02; Y02P; Y02P30/00; Y02P30/40; Y10; Y10S; Y10S422/00; Y10S422/906; Y10S585/00; Y10S585/919; Y10S585/92; Y10S585/921; Y10S585/922; Y10S585/923; Y10S585/949; Y10S585/953
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
165 words
A PROCESS FOR THE PRODUCTION OF CETYLENE BY THE PYROLYSIS OF FLUID HYDROCARBONS WHICH COMPRISES ENERGIZING A HIGH-PRESSURE ARC HAVING A PREDETERMINED ARC IN TENSITY, FLOWING AT A CONTROLLABLE RATE AN ARC GAS STREAM THROUGH SAID HIGH-PRESSURE ARC TO FORM A RESULTING STREAM OF HOT ARC GAS HAVING A SUBSTANTIALLY CONSTANT HEAT CONTENT DETERMINED BY SAID PREDETERMINED ARC INTENSITY AND BY MAINTAINING SAID CONTROLLABLE FLOW RATE OF ARC GAS SUBSTANTIALLY CONSTANT, COLLIMATING SUCH HOT ARC GAS, CHILLING THE OUTER LAYER OF SAID HOT ARC GAS TO WALLSTABILIZE SUCH ARC, DISCHARGING THE RESULTANT COLLIMATED HOT ARC GAS AT A PRESELECTED VELOCITY, INTIMATELY MIXING THE EFFLUENT STREAM OF HOT ARC GAS WITH A SUPPLY OF FLUID HYDROCARBON STOCK TO PYROLYZE AND CRACK SAID STOCK AND PRODUCE ACETYLENE, PASSING THE ACETYLENE-CONTAINING HOT PYROLYSIS PRODUCT WITHIN A FIXED PERIOD OF TIME DETERMINED BY SAID PRESELECTED DISCHARGE VELOCITY INTO A QUENCH ZONE TO SUDDENLY COOL SUCH PRODUCTS AND THEN RECOVERING THE ACETYLENE THEREFROM WHEREBY INCREASED YIELDS OF ACETYLENE ARE OBTAINED.
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |