Patent US3121675A successfully refreshed from Google Patents.
US3121675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc promoted chemical reactions
Assignee: Union Carbide Corp
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Filing: 1960-11-30
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Granted: 1964-02-18
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Expires: 1980-11-30
Abstract
No abstract record available.
Inventors
- 👤 Laura E Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:35
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2/80; Y; Y10; Y10S; Y10S422/00; Y10S422/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
PROCESS FOR THE CONCURRENT PRODUCTION OF ACETYLENE AND HYDROGEN CYANIDE WHICH COMPRESES ENERGIZING A HIGHPRESSURE ARC OF PREDETERMINED ARC INTENSITY, FLOWING AT LEAST ONE ARC GAS TAKEN FROM THE CLASS CONSISTING OF NITROGEN, HYDROGEN AND ARGON AT A CONTROLLABLE RATE THROUGH SAID HIGH-PRESSURE ARC, DISCHARGING THE RESULTANT HOT ARC GAS STREAM AT A PRE-SELECTED THERMAL ENERGY CONTENT INTO A REACTION ZONE, CONTROLLABLY FEEDING TO SAID REACTION ZONE REACTNAT MATERIAL TAKEN FROM THE CLASS CONSISTING OF HYDROCARBONS AND MIXTURES OF SUCH HYDROCARBON WITH AT LEAST ONE MATERIAL TAKEN FROM THE CLASS CONSISTING OF NITROGEN, HYDROGEN AND DISSOCIABLE NITROGEN-CONTAINING COMPOUNDS WITH THE PROVISO THAT NITROGEN BE PRESENT IN SAID REACTION ZONE, CORRELATING THE ARC INTENSITY AND THE ARC GAS FLOW RATE WITH THE FEED OF SAID REACTANT MATERIAL TO PROVIDE A PREDETERMINED THRMAL ENERGY TO SAID REACTANT MATERIAL RATIO, INTIMATELY MIXING SIAD HOT ARC GAS STREAM WITH SAID REACTANT MATERIAL TO PRODUCE ACETYLENE AND HYDROGEN CYANIDE AS REACTION PRODUCTS, PARTIALLY QUENCHING THE REACTION PRODUCTS BY CONTACTING THEM WITH HYDROGEN, AND THEN COOLING AN QUENCHING SAID REACTION PRODUCTS.
Claim 2
Dependent Claim
175 words
PROCESS FOR THE CONCURRENT PRODUCTION OF ACETYLENE AND HYDROGEN CYANIDE WHICH COMPRESES ENERGIZING A HIGHPRESSURE ARC OF PREDETERMINED ARC INTENSITY, FLOWING AT LEAST ONE ARC GAS TAKEN FROM THE CLASS CONSISTING OF NITROGEN, HYDROGEN AND ARGON AT A CONTROLLABLE RATE THROUGH SAID HIGH-PRESSURE ARC, DISCHARGING THE RESULTANT HOT ARC GAS STREAM AT A PRE-SELECTED THERMAL ENERGY CONTENT INTO A REACTION ZONE, CONTROLLABLY FEEDING TO SAID REACTION ZONE REACTNAT MATERIAL TAKEN FROM THE CLASS CONSISTING OF HYDROCARBONS AND MIXTURES OF SUCH HYDROCARBON WITH AT LEAST ONE MATERIAL TAKEN FROM THE CLASS CONSISTING OF NITROGEN, HYDROGEN AND DISSOCIABLE NITROGEN-CONTAINING COMPOUNDS WITH THE PROVISO THAT NITROGEN BE PRESENT IN SAID REACTION ZONE, CORRELATING THE ARC INTENSITY AND THE ARC GAS FLOW RATE WITH THE FEED OF SAID REACTANT MATERIAL TO PROVIDE A PREDETERMINED THRMAL ENERGY TO SAID REACTANT MATERIAL RATIO, INTIMATELY MIXING SIAD HOT ARC GAS STREAM WITH SAID REACTANT MATERIAL TO PRODUCE ACETYLENE AND HYDROGEN CYANIDE AS REACTION PRODUCTS, PARTIALLY QUENCHING THE REACTION PRODUCTS BY CONTACTING THEM WITH HYDROGEN, AND THEN COOLING AN QUENCHING SAID REACTION PRODUCTS.
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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |