US3168592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of acetylene by two stage pyrolysis under reduced pressure with the first stage pyrolysis conducted in a rotating arc
Assignee: EIDP Inc
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Filing: 1962-07-19
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Granted: 1965-02-02
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Mario T Cichelli
- 👤 Schotte William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:14
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2/80; C07C4/00; C07C4/02; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR THE MANUFACTURE OF ACETYLENE IN A REACTOR, WHICH PROCESS COMPRISES (A) PASSING A FEED OF GASEOUS HYDROCARBON OF 1-3 CARBON ATOMS THROUGH A ROTATING ELECTRIC ARC HAVING A FREQUENCY OF ROTATION IN EXCESS OF 2000 REV./SEC. AT A RATE SUFFICIENT TO PYROLYZE SAID HYDROCARBON TO ACETYLENE AND PRODUCE HOT REACTION GASES HAVING A TEMPERATURE IN EXCESS OF 1700*C.;
Claim 2
Dependent Claim
61 words
A PROCESS FOR THE MANUFACTURE OF ACETYLENE IN A REACTOR, WHICH PROCESS COMPRISES (A) PASSING A FEED OF GASEOUS HYDROCARBON OF 1-3 CARBON ATOMS THROUGH A ROTATING ELECTRIC ARC HAVING A FREQUENCY OF ROTATION IN EXCESS OF 2000 REV./SEC. AT A RATE SUFFICIENT TO PYROLYZE SAID HYDROCARBON TO ACETYLENE AND PRODUCE HOT REACTION GASES HAVING A TEMPERATURE IN EXCESS OF 1700*C.;
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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |