US2858261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acetylene generation with an electric arc
Assignee: Texaco Inc
•
Filing: 1954-10-19
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Granted: 1958-10-28
•
Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest F Pevere
- 👤 Howard V Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/025; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C07; C07C; C07C2/00; C07C2/76; C07C2/80; B01J2219/00; B01J2219/08; B01J2219/0803; B01J2219/0805; B01J2219/0807; B01J2219/0809; B01J2219/0824; B01J2219/0826; B01J2219/083; B01J2219/19; B01J2219/194; B01J2219/1941; B01J2219/1942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A PROCESS FOR THE SIMULTANEOUS PRODUCTION OF ACETYLENE AND HYDROGEN CYANIDE WHEREIN A GASIFORM HYDROCARBON IS REACTED WITH NITROGEN IN AN ELECTRICAL DISCHARGE SPRUNG BETWEEN AT LEAST TWO POINTS WITHIN A REACTION ZONE, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY INTRODUCING SAID GASIFORM HYDROCARBON INTO SAID REACTION ZONE REMOTE FROM SAID ELECTRICAL DISCHARGE, INTERMITTENTLY SPRINGING SAID ELECTRICAL DISCHARGE AT REGULAR INTERVALS HAVING A DURATION OF 0.1 TO 1 SECOND AND OFF FOR 0.2 TO 1.5 SECONDS, INTRODUCING SAID NITROGEN INTO THE SPACE WITHIN SAID POINTS IN THE IMMEDIATE VICINITY OF SAID ELECTRICAL DISCHARGE AND SUBSTANTIALLY COINCIDENT WITH THE DURATION OF SAID ELECTRICAL DISCHARGE ONLY, AND CONTINUOUSLY WITHDRAWING GASIFORM PRODUCT COMPRISING SUBSTANTIAL PROPORTIONS OF BOTH ACETYLENE AND HYDROGEN CYANIDE FROM SAID REACTION ZONE.
Claim 2
Dependent Claim
121 words
IN A PROCESS FOR THE SIMULTANEOUS PRODUCTION OF ACETYLENE AND HYDROGEN CYANIDE WHEREIN A GASIFORM HYDROCARBON IS REACTED WITH NITROGEN IN AN ELECTRICAL DISCHARGE SPRUNG BETWEEN AT LEAST TWO POINTS WITHIN A REACTION ZONE, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY INTRODUCING SAID GASIFORM HYDROCARBON INTO SAID REACTION ZONE REMOTE FROM SAID ELECTRICAL DISCHARGE, INTERMITTENTLY SPRINGING SAID ELECTRICAL DISCHARGE AT REGULAR INTERVALS HAVING A DURATION OF 0.1 TO 1 SECOND AND OFF FOR 0.2 TO 1.5 SECONDS, INTRODUCING SAID NITROGEN INTO THE SPACE WITHIN SAID POINTS IN THE IMMEDIATE VICINITY OF SAID ELECTRICAL DISCHARGE AND SUBSTANTIALLY COINCIDENT WITH THE DURATION OF SAID ELECTRICAL DISCHARGE ONLY, AND CONTINUOUSLY WITHDRAWING GASIFORM PRODUCT COMPRISING SUBSTANTIAL PROPORTIONS OF BOTH ACETYLENE AND HYDROGEN CYANIDE FROM SAID REACTION ZONE.
References Cited (Backward Citations)
US2468175A
Cited
US777987A
Cited
US1046043A
Cited
US1051810A
Cited
US1339225A
Cited
US1731331A
Cited
GB296355A
Cited
GB317558A
Cited
US2080931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |