US3578719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface active agents
Assignee: L'Oréal SA
•
Filing: 1968-11-29
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Granted: 1971-05-11
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Expires: 1988-11-29
Abstract
Abstract IN WHICH R IS A LIPOPHILE GROUP, X IS OH OR HALOGEN AND N IS 2-10. NON-IONIC SURFACE ACTIVE AGENTS HAVING THE FORMULA R-O-(CH2-CH(-CH2-X)-O)N-H
Inventors
- 👤 Gregoire Kalopissis
- 👤 Guy Vanlerberghe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:03
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/17; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/39; A61Q; A61Q5/00; A61Q5/02; C07C43/04; C07C43/10; C07C43/11; C07C43/12; C07C43/126; C07C43/178; C07C43/20; C07C43/23; C11; C11D; C11D1/00; C11D1/66; C11D1/72; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
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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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |