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US3051639A Expired / Lapsed US ⏱️ 0.0 years remaining

Arc torch chemical reactions

Assignee: Union Carbide Corp
•
Filing: 1958-09-25
•
Granted: 1962-08-28
•
Expires: 1978-09-25
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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.

References Cited (Backward Citations)

US2013996A Cited
US2005762A Cited
US2916534A Cited
US2806124A Cited
US2858411A Cited
US2819423A Cited
US2951143A Cited

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

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