US3089848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil compositions containing sodium nitrite
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-05-05
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Granted: 1963-05-14
•
Expires: 1980-05-05
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:16
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2201/04; C10M2201/041; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF FORMING A STABLE DISPERSION OF FINELY DIVIDED SODIUM NITRITE IN OIL, SAID DISPERSION BEING USEFUL AS A RUST PREVENTIVE ADDITIVE, WHICH COMPRISES FORMING A SOLUTION OF SODIUM NITRITE IN WATER, ADDING TO SAID SOLUTION A WATER GELLING AGENT TO GEL SAID SOLUTION TO THEREBY INHIBIT CRYSTAL GROWTH OF SAID SODIUM NITRITE, ADDING TO SAID SOLUTION AN OIL SOLUTION OF AN OIL-SOLUBLE HYDROCARBON POLYMER HAVING A MOLECULAR WEIGHT OF FROM ABOUT 5,000 TO 100,000 TO COAT SAID SODIUM NITRITE, HEATING THE RESULTING MIXTURE TO EVAPORATE SUBSTANTIALLY ALL OF SAID WATER TO THEREBY FORM A DISPERSION IN SAID OIL OF POLYMER-COATED SODIUM NITRITE HAVING AN AVERAGE PARTICLE SIZE LESS THAN ABOUT 15 MICRONS.
Claim 2
Independent Claim
114 words
A METHOD OF FORMING A STABLE DISPERSION OF FINELY DIVIDED SODIUM NITRITE IN OIL, SAID DISPERSION BEING USEFUL AS A RUST PREVENTIVE ADDITIVE, WHICH COMPRISES FORMING A SOLUTION OF SODIUM NITRITE IN WATER, ADDING TO SAID SOLUTION A WATER GELLING AGENT TO GEL SAID SOLUTION TO THEREBY INHIBIT CRYSTAL GROWTH OF SAID SODIUM NITRITE, ADDING TO SAID SOLUTION AN OIL SOLUTION OF AN OIL-SOLUBLE HYDROCARBON POLYMER HAVING A MOLECULAR WEIGHT OF FROM ABOUT 5,000 TO 100,000 TO COAT SAID SODIUM NITRITE, HEATING THE RESULTING MIXTURE TO EVAPORATE SUBSTANTIALLY ALL OF SAID WATER TO THEREBY FORM A DISPERSION IN SAID OIL OF POLYMER-COATED SODIUM NITRITE HAVING AN AVERAGE PARTICLE SIZE LESS THAN ABOUT 15 MICRONS.
References Cited (Backward Citations)
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US3013968A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |