US2957908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of hyperbasic magnesium sulfonates
Assignee: Texaco Inc
•
Filing: 1957-12-13
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Granted: 1960-10-25
•
Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Morris A Wiley
- 👤 Herman D Kluge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF IMPROVING THE STORAGE-KEEPING PROPERTIES OF A HYPERBASIC MAGNESIUM SULFONATE WHICH FORMS A SURFACE FILM ON EXPOSURE TO THE ATMOSPHERE, COMPRISING BLENDING SAID SULFONATE WITH AN OIL-SOLUBLE ALKALINE EARTH METAL SALT OF AN OIL-SOLUBLE COUPLED PHENOL, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CALCIUM AND MAGNESIUM, THE METAL SALT BEING EMPLOYED IN A RATIO OF AT LEAST ONE MOL OF METAL FROM THE METAL SALT PER 10 MOLS OF MAGNESIUM FROM SAID HYPERBASIC SULFONATE, THEREBY PREVENTING THE FORMATION OF SURFACE FILM ON THE RESULTING MIXTURE.
Claim 2
Independent Claim
89 words
A METHOD OF IMPROVING THE STORAGE-KEEPING PROPERTIES OF A HYPERBASIC MAGNESIUM SULFONATE WHICH FORMS A SURFACE FILM ON EXPOSURE TO THE ATMOSPHERE, COMPRISING BLENDING SAID SULFONATE WITH AN OIL-SOLUBLE ALKALINE EARTH METAL SALT OF AN OIL-SOLUBLE COUPLED PHENOL, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF CALCIUM AND MAGNESIUM, THE METAL SALT BEING EMPLOYED IN A RATIO OF AT LEAST ONE MOL OF METAL FROM THE METAL SALT PER 10 MOLS OF MAGNESIUM FROM SAID HYPERBASIC SULFONATE, THEREBY PREVENTING THE FORMATION OF SURFACE FILM ON THE RESULTING MIXTURE.
References Cited (Backward Citations)
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US2695910A
Cited
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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) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |