Patent US3594409A successfully refreshed from Google Patents.
US3594409A
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Magnesium salts of succinic acid esters
Assignee: L'Oréal SA
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Filing: 1968-03-04
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Granted: 1971-07-20
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Expires: 1988-03-04
Abstract
Abstract EMULSIFIER COMPOUNDS WHICH ARE MAGNESIUM SALTS OF A SUCCINIC ESTER OF A POLYOXYALKYLENE FATTY ALCOHOL HAVING THE FORMULA: CMH(2M+1)-(O-CH2-CH(-CH3))N-(O-CH2-CH(-C2H5))P-OOC-(CH2)2- COOH IN WHICH: M IS AN INTEGER BETWEEN 12 AND 28 INCLUSIVE, N AND P ARE NUMBERS LYING BETWEEN 0 AND 12 INCLUSIVE, WHILE THE SUM OF N AND P FALLS BETWEEN 2 AND 12 INCLUSIVE, WHICH PRODUCE UNUSUALLY STABLE WATER IN OIL EMULSIONS.
Inventors
- 👤 Felix Lachampt
- 👤 Andre Viout
- 👤 Guy Vanlerberghe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:23
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61Q; A61Q19/00; C; C09; C09K; C09K23/00; C09K23/34; A61Q1/00; A61Q1/02; A61Q1/08; A61Q3/00; A61Q5/00; A61Q5/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |