US2706210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process suitable for converting primary hydrocarbons to secondary hydrocarbons
Assignee: Wulff Process Co
•
Filing: 1950-12-05
•
Granted: 1955-04-12
•
Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ford W Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:55
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS OF PRODUCING AN OFF-GAS CONTAINING A SUBSTANTIAL PROPORTION OF ACETYLENE FROM AN IN-GAS CONTAINING A SUBSTANTIAL PROPORTION OF A HYDROCARBON WHOSE MOLECULES CONTAIN A LARGER PROPORTION OF HYDROGEN THAN ACETYLENE, WHICH COMPRISES: (A) PRODUCING GASES OF COMBUSTION IN A FIRE BOX SPACE, SAID GASES AS PRODUCED BEING AT A TEMPERATURE ABOVE 3000* F., (B) INJECTING INTO SAID FIRE BOX SPACE A LOW TEMPERATURE DILUENT GAS, SUCH AS STEAM, SAID DILUENT GAS BEING INTRODUCED IN SUFFICIENT AMOUNT TO REDUCE THE TEMPERATURE OF THE MIXED GASES WHERE THEY LEAVE THE FIRE BOX SPACE AND PRODUCE A MIXED GAS HAVING A TEMPERATURE SUBSTANTIALLY BELOW 3000* F., (C) PASSING SAID MIXED GAS THROUGH OPEN AND UNOBSTRUCTED CHANNELS IN A FIRST REGENERATIVE MASS TO PRODUCE A FIRST
Claim 2
Dependent Claim
124 words
A PROCESS OF PRODUCING AN OFF-GAS CONTAINING A SUBSTANTIAL PROPORTION OF ACETYLENE FROM AN IN-GAS CONTAINING A SUBSTANTIAL PROPORTION OF A HYDROCARBON WHOSE MOLECULES CONTAIN A LARGER PROPORTION OF HYDROGEN THAN ACETYLENE, WHICH COMPRISES: (A) PRODUCING GASES OF COMBUSTION IN A FIRE BOX SPACE, SAID GASES AS PRODUCED BEING AT A TEMPERATURE ABOVE 3000* F., (B) INJECTING INTO SAID FIRE BOX SPACE A LOW TEMPERATURE DILUENT GAS, SUCH AS STEAM, SAID DILUENT GAS BEING INTRODUCED IN SUFFICIENT AMOUNT TO REDUCE THE TEMPERATURE OF THE MIXED GASES WHERE THEY LEAVE THE FIRE BOX SPACE AND PRODUCE A MIXED GAS HAVING A TEMPERATURE SUBSTANTIALLY BELOW 3000* F., (C) PASSING SAID MIXED GAS THROUGH OPEN AND UNOBSTRUCTED CHANNELS IN A FIRST REGENERATIVE MASS TO PRODUCE A FIRST
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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |