US2739124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High metal content complex salts of sulfonic acids and mineral oil compositions thereof
Assignee: ExxonMobil Oil Corp
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Filing: 1952-09-04
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Granted: 1956-03-20
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Expires: 1972-09-04
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand P Otto
- 👤 Robert H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:12
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A COMPLEX METAL SALT OF A HYDROCARBON-SOLUBLE SULFONIC ACID PRODUCED BY THE METHOD WHICH COMPRISES THE STEPS OF: (1) FORMING A MIXTURE OF A HYDROCARBON SOLUTION OF THE SULFONIC ACID WITH WATER AND A REAGENT COMBINATION WHICH WILL PROVIDE IN SAID MIXTURE AT LEAST ABOUT 1.4 EQUIVALENTS OF METAL HYDROXIDE, AT LEAST ABOUT 0.3 EQUIVALENT OF METAL CHLORIDE AND AT LEAST ABOUT 0.3 EQUIVALENT OF AN ALIPHATIC METAL CARBOXYLATE HAVING FROM 1 TO 20 CARBON ATOMS IN THE ALIPHATIC PORTION THEREOF; THE EQUIVALENTS OF SAID METAL HYDROXIDE, METAL CHLORIDE AND METAL CARBOXYLATE BEING BASED ON THE TOTAL EQUIVALENTS OF ACID-HYDROGEN PRESENT IN THE HYDROCARBON SOLUTION OLF THE SULFONIC ACID AND THE METAL CONSTITUENT OF SAID METAL HYDROXIDE, METAL CHLORIDE AND METAL CARBOXYLATE BEING A METAL SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE OF THE ELEMENTS, (2) SUBSTANTIALLY COMPLETELY DEHYDRATING THE REACTION MIXTURE FORMED IN STEP 1 AND (3) FILTERING OFF INSOLUBLE MATERIAL.
Claim 2
Dependent Claim
155 words
A COMPLEX METAL SALT OF A HYDROCARBON-SOLUBLE SULFONIC ACID PRODUCED BY THE METHOD WHICH COMPRISES THE STEPS OF: (1) FORMING A MIXTURE OF A HYDROCARBON SOLUTION OF THE SULFONIC ACID WITH WATER AND A REAGENT COMBINATION WHICH WILL PROVIDE IN SAID MIXTURE AT LEAST ABOUT 1.4 EQUIVALENTS OF METAL HYDROXIDE, AT LEAST ABOUT 0.3 EQUIVALENT OF METAL CHLORIDE AND AT LEAST ABOUT 0.3 EQUIVALENT OF AN ALIPHATIC METAL CARBOXYLATE HAVING FROM 1 TO 20 CARBON ATOMS IN THE ALIPHATIC PORTION THEREOF; THE EQUIVALENTS OF SAID METAL HYDROXIDE, METAL CHLORIDE AND METAL CARBOXYLATE BEING BASED ON THE TOTAL EQUIVALENTS OF ACID-HYDROGEN PRESENT IN THE HYDROCARBON SOLUTION OLF THE SULFONIC ACID AND THE METAL CONSTITUENT OF SAID METAL HYDROXIDE, METAL CHLORIDE AND METAL CARBOXYLATE BEING A METAL SELECTED FROM GROUPS I AND II OF THE PERIODIC TABLE OF THE ELEMENTS, (2) SUBSTANTIALLY COMPLETELY DEHYDRATING THE REACTION MIXTURE FORMED IN STEP 1 AND (3) FILTERING OFF INSOLUBLE MATERIAL.
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |