US3663644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated ethylene production and lng transportation
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1968-01-02
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Granted: 1972-05-16
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Expires: 1988-01-02
Abstract
Abstract THE INSTANT DISCLOSURE IS DIRECTED TO A PROCESS WHEREIN ETHYLENE PRODUCTION, LIQUEFIED NATURAL GAS TRANSPORTATION, AND ETHYLENE PURIFICATION ARE ADVANTAGEOUSLY INTEGRATED TO MUTUAL BENEFIT. A LARGE ECONOMICAL CRACKING FACILITY IS PROVIDED AT THE SOURCE OF THE NATURAL GAS AND BE PERFORMING THE CRACKING OPERATION AT THIS LOCATION, IMPROVEMENTS IN THE OVERALL MANUFACTURING ECONOMICS ARE ACHIEVED.
Inventors
- 👤 Robert H Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:00
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/063; F25J3/064; C; C07; C07C; C07C11/00; C07C11/02; C07C11/04; C07C9/00; C07C9/02; C07C9/04; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25J1/00; F25J1/0002; F25J1/0022; F25J1/02; F25J1/0243; F25J1/0244; F25J1/0254; F25J1/0255; F25J3/0605; F25J3/061; F25J3/0615; F25J3/0635; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/03; F17C2227/0337; F25J2210/00; F25J2210/12; F25J2215/00; F25J2215/62; Y; Y10; Y10T; Y10T137/00; Y10T137/0318
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |