US3419665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-in-oil emulsions containing magnesium salts of a succinic acid ester
Assignee: L'Oréal SA
•
Filing: 1965-09-29
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Granted: 1968-12-31
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Lachampt Felix
- 👤 Viout Andre
- 👤 Vanlerberghe Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/04; A61K8/06; A61K8/064; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61Q; A61Q19/00; A61Q3/00; C; C09; C09K; C09K23/00; C09K23/34; A61Q1/00; A61Q1/02; A61Q1/08; A61Q5/00; A61Q5/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A WATER-IN-OIL EMULSION COMPRISING WATER, AT LEAST 20% OIL AND AN EMULSIFYING AMOUNT OF AT LEAST ONE MAGNESIUM SALF OF A SUCCINIC ACID ESTER OF A POLYOXYALKYLENE FATTY ALCOHOL HAVING THE FORMULA: CMH(2M+1)-(O-CH2-CH(-CH3))N-(O-CH2-CH(-C2H5))P-OOC-CH2CH2-COOH IN WHICH M IS AN INTEGER BETWEEN 12 AND 18 AND N AND P ARE NUMBERS BETWEEN 0 AND 12 INCLUSIVE AND THE SUM OF N AND P IS BETWEEN 2 AND 12 INCLUSIVE.
Claim 2
Dependent Claim
67 words
A WATER-IN-OIL EMULSION COMPRISING WATER, AT LEAST 20% OIL AND AN EMULSIFYING AMOUNT OF AT LEAST ONE MAGNESIUM SALF OF A SUCCINIC ACID ESTER OF A POLYOXYALKYLENE FATTY ALCOHOL HAVING THE FORMULA: CMH(2M+1)-(O-CH2-CH(-CH3))N-(O-CH2-CH(-C2H5))P-OOC-CH2CH2-COOH IN WHICH M IS AN INTEGER BETWEEN 12 AND 18 AND N AND P ARE NUMBERS BETWEEN 0 AND 12 INCLUSIVE AND THE SUM OF N AND P IS BETWEEN 2 AND 12 INCLUSIVE.
References Cited (Backward Citations)
US3285945A
Cited
US3016353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |