US3083154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dewaxing and deoiling process
Assignee: ExxonMobil Oil Corp
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Filing: 1960-09-29
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Granted: 1963-03-26
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 John J Gersic
- 👤 Norman L Malakoff
- 👤 Lawrence B Nelson
- 👤 Harry T Van Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/02; C10G73/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR SEPARATING WAX AND OIL WHICH COMPRISES PROVIDING THE WAX-OIL MIXTURE AT A FLOWABLE TEMPERATURE, MAINTAINING A LIQUID SOLVENT BATH AT A TEMPERATURE BELOW THE SOLIDIFICATION TEMPERATURE OF THE WAX IN SAID WAX-OIL MIXTURE, CONDUCTING THE MIXTURE IN FLOWABLE FORM TO BENEATH THE SURFACE OF THE BATH OF SOLVENT, SPRAYING THE WAX-OIL MIXTURE INTO SAID BATH SO AS TO EMERGE THEREIN AS PARTICLES OR DROPLETS OF A SIZE ABOUT 5-100 MICRONS, SEPARATING THE WAX PARTICLES FROM THE SOLVENT AND OIL AND SEPARATING OIL FROM SAID SOLVENT WHEREBY A WAX OF LOW OIL CONTENT AND AN OIL OF ACCEPTABLE POUR POINT IS PRODUCED.
Claim 2
Dependent Claim
104 words
A PROCESS FOR SEPARATING WAX AND OIL WHICH COMPRISES PROVIDING THE WAX-OIL MIXTURE AT A FLOWABLE TEMPERATURE, MAINTAINING A LIQUID SOLVENT BATH AT A TEMPERATURE BELOW THE SOLIDIFICATION TEMPERATURE OF THE WAX IN SAID WAX-OIL MIXTURE, CONDUCTING THE MIXTURE IN FLOWABLE FORM TO BENEATH THE SURFACE OF THE BATH OF SOLVENT, SPRAYING THE WAX-OIL MIXTURE INTO SAID BATH SO AS TO EMERGE THEREIN AS PARTICLES OR DROPLETS OF A SIZE ABOUT 5-100 MICRONS, SEPARATING THE WAX PARTICLES FROM THE SOLVENT AND OIL AND SEPARATING OIL FROM SAID SOLVENT WHEREBY A WAX OF LOW OIL CONTENT AND AN OIL OF ACCEPTABLE POUR POINT IS PRODUCED.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |