Patent US3755484A successfully refreshed from Google Patents.
US3755484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making synthetic waxes
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1970-10-30
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Granted: 1973-08-28
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Expires: 1990-10-30
Abstract
Abstract AN EFFICIENT, SIMPLIFIED WAX FINISHING PROCESS WHICH COMPRISES STEAM-STRIPPING THE WAX TO REMOVE LIGHT ENDS AND CATALYST RESIDUES; SEPARATING THE WAX FROM THE AQUEOUS PHASE CONTAINING THE STRIPPED CATALYST RESIDUES AND LIGHT ENDS AND RECOVERING THE WAX PRODUCT.
Inventors
- 👤 A Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:52
CPC Classifications
C; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/946
Claims Analysis
Total Claims: 0
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |