US3708364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-ionic surface-active agents derived from fatty chain diols and method of preparing same
Assignee: L'Oréal SA
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Filing: 1970-07-06
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Granted: 1973-01-02
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Expires: 1990-07-06
Abstract
Abstract A COMPOSITION CONTAINING HIGH TEMPERATURE, STABLE, WATER SOLUBLE, NON-IONIC SURFACE ACTIVE COMPOUNDS HAVING THE FORMULA: R-CH(-O-(C2H3O-X)Q-H)-CH2-O-(C2H3O-X)P-H IN WHICH R REPRESENTS A LIPOPHILIC GROUP HAVING 8 TO 22 CARBON ATOMS, WHICH MAY INCLUDE HYDROXYL GROUPS AND INTERMEDIATE GROUPS COMPRISING HETERO ATOMS, SUCH AS O, S AND N, X REPRESENTS A CH2OH OR CH2O-CH2-CHOH-CH2OH GROUP, P AND Q ARE NUMBERS EQUAL TO OR LESS THAN 10, THE SUM (P+Q) BEING EQUAL TO OR GREATER THAN 1 BUT NO GREATER THAN 10.
Inventors
- 👤 G Kalopissis
- 👤 G Vanlerberghe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:35
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/39; C; C11; C11D; C11D1/00; C11D1/66; C11D1/72; A61Q; A61Q5/00; A61Q5/02
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |