US3342733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of colloidal carbonates in hydrocarbon media
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-10-05
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Granted: 1967-09-19
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Max L Robbins
- 👤 Max W Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:09
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; C10M2201/00; C10M2201/06; C10M2201/062; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/044; C10M2217/045; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/12; C10M2223/121; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR PREPARING A STABLE COLLOIDAL DISPERSION OF AN ALKALINE EARTH METAL CARBONATE IN A LIQUID HYDROCARBON WHICH COMPRISES REACTING A CONCENTRATED AQUEOUS SOLUTION CONTAINING AT LEAST 20 WEIGHT PERCENT OF AN INORGANIC ACID SALT OF AN ALKALINE EARTH METAL WITH A CONCENTRATED AQUEOUS SOLUTION CONTAINING AT LEAST 20WEIGHT PERCENT OF A CARBONATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CARBONATE AND ALKALI METAL CARBONATES, WHEREBY A GEL COMPRISING AN AQUEOUS COLLOIDAL DISPERSION OF ALKALINE EARTH METAL CARBONATE IS FORMED, WITHIN2 MINUTES THEREAFTER MIXING SAID GEL WITH A LIQUID HYDROCARBON CONTAINING AN OIL-DISPERSIBLE SURFACTANT WHEREBY AN OIL-CONTINUOUS EMULSION IS FORMED, AND THEREAFTER BREAKING SAID EMULSION AND SEPARATING THE OIL PHASE FROM THE AQUEOUS PHASE.
Claim 2
Dependent Claim
115 words
A PROCESS FOR PREPARING A STABLE COLLOIDAL DISPERSION OF AN ALKALINE EARTH METAL CARBONATE IN A LIQUID HYDROCARBON WHICH COMPRISES REACTING A CONCENTRATED AQUEOUS SOLUTION CONTAINING AT LEAST 20 WEIGHT PERCENT OF AN INORGANIC ACID SALT OF AN ALKALINE EARTH METAL WITH A CONCENTRATED AQUEOUS SOLUTION CONTAINING AT LEAST 20WEIGHT PERCENT OF A CARBONATE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CARBONATE AND ALKALI METAL CARBONATES, WHEREBY A GEL COMPRISING AN AQUEOUS COLLOIDAL DISPERSION OF ALKALINE EARTH METAL CARBONATE IS FORMED, WITHIN2 MINUTES THEREAFTER MIXING SAID GEL WITH A LIQUID HYDROCARBON CONTAINING AN OIL-DISPERSIBLE SURFACTANT WHEREBY AN OIL-CONTINUOUS EMULSION IS FORMED, AND THEREAFTER BREAKING SAID EMULSION AND SEPARATING THE OIL PHASE FROM THE AQUEOUS PHASE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |