US3534032A
Expired / Lapsed
US
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N - tertiaryaminoalkyl - n - aliphaticalpha aliphatic aminosuccinamic acid amides and corresponding maleamic acid intermediates therefor
Assignee: L'Oréal SA
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Filing: 1965-01-11
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Granted: 1970-10-13
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Expires: 1985-01-11
Abstract
Abstract Surface active compositions which contain a surface-active compound having the formula IN WHICH R and R' are an alkyl or alkenyl group which has 10-18 carbon atoms, R1 and R2 are lower alkyl or with the N atom a morpholino group and n is 2-5.
Inventors
- 👤 Gregoire Kalopissis
- 👤 Andre Viout
- 👤 Guy Vanlerberghe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:44
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/41; A61K8/418; A61Q; A61Q5/00; A61Q5/06; A61Q5/065; C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C11; C11D; C11D1/00; C11D1/02; C11D1/04; C11D1/10; Y; Y10; Y10S; Y10S8/00; Y10S8/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |