US2658852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing low melting point plastic waxes
Assignee: Standard Oil Development Co
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Filing: 1950-07-20
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Granted: 1953-11-10
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Expires: 1970-07-20
Abstract
No abstract record available.
Inventors
- 👤 John L Tiedje
- 👤 Mcgrath John Basil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; C10; C10G; C10G73/00; C10G73/02; C10G73/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF PREPARING LOW METING POINT PLASTIC WAXES FROM FOOTS OIL DERIVED FROM A LIGHT, WAXY, LURBICATING OIL DISTILLATE WHICH COMPRISES PRESSING THE FOOTS OIL AT ABOUT 80* F., BLENDING THE PRESSED FOOTS OIL WITH A HEAVY WAXY LUBRICATING OIL DISTILLATE OF HIGHER BOILING POINT THAN SAID LIGHT WAXY LUBRICATING OIL DISTILLATE, DEWAXING THE RESULTING BLEND, DEOILING THE WAX CAKE OBTAINED FROM SAID DEWAXING, AND FRACTIONATING THE DEOILED WAX CAKE TO OBTAIN SAID LOW MELTING POINT PLASTIC WAXES.
Claim 2
Dependent Claim
79 words
THE PROCESS OF PREPARING LOW METING POINT PLASTIC WAXES FROM FOOTS OIL DERIVED FROM A LIGHT, WAXY, LURBICATING OIL DISTILLATE WHICH COMPRISES PRESSING THE FOOTS OIL AT ABOUT 80* F., BLENDING THE PRESSED FOOTS OIL WITH A HEAVY WAXY LUBRICATING OIL DISTILLATE OF HIGHER BOILING POINT THAN SAID LIGHT WAXY LUBRICATING OIL DISTILLATE, DEWAXING THE RESULTING BLEND, DEOILING THE WAX CAKE OBTAINED FROM SAID DEWAXING, AND FRACTIONATING THE DEOILED WAX CAKE TO OBTAIN SAID LOW MELTING POINT PLASTIC WAXES.
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |