Patent US3957774A successfully refreshed from Google Patents.
US3957774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-morpholinomethyl-n-'-substituted ethyl and propylureas
Assignee: L'Oréal SA
•
Filing: 1975-02-06
•
Granted: 1976-05-18
•
Expires: 1995-02-06
Abstract
Abstract Polycondensable compound and a process for treating hair employing a composition containing said polycondensable compound having the formula ##EQU1## wherein X is O or S; R 1 and R 2 are ethyl or together form the divalent radical --CH 2 --CH 2 --O--CH 2 --CH 2 --, --CH 2 --CH 2 --CH 2 --CH 2 --CH 2 -- or ##EQU2## R 3 and R 3 ' are hydrogen or taken together form the divalent radical --CH 2 --CH 2 --, Y is hydrogen, ##EQU3## --C 12 H 25 and --C 18 H 37 and an acid catalyst in an amount effective to polymerize the compound on the hair and then drying the hair.
Inventors
- 👤 Gregoire Kalopissis
- 👤 Jean-Louis Abegg
- 👤 Guiliana Ghilardi
- 👤 Henri Philippe DE Beaulieu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:17
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
27 words
A compound of the formula ##EQU28## wherein Z is selected from the group consisting of ##EQU29## --C 12 H 25 , and --C 18 H 37 .
Claim 2
Dependent Claim
27 words
A compound of the formula ##EQU28## wherein Z is selected from the group consisting of ##EQU29## --C 12 H 25 , and --C 18 H 37 .
Claim 3
Dependent Claim
42 words
A compound according to claim 1 which is selected from the group consisting of (N-carbamyl-N'-morpholinomethyl-carbamyl)-cystamine; N,N'-(morpholinomethyl-carbamyl) cystamine; (diethyl-methyl-morpholino-methyl ureidoethyl) ammonium iodide; (dimethyl-copra-morpholino-methyl ureidoethyl) ammonium chloride; N-(morpholinomethyl) ethylurea-diethyl-ethylurea ammonium chloride; methyl-propylurea N-(morpholinomethyl)propylurea amine; methyl-di-N-(morpholinomethyl)propylurea amine; (N-dimethyl-ethylurea-N'-dimethyl-morpholinomethyl ureidoethyl)cystamine dichloride; N-dodecyl-N'-(morpholinomethyl)urea; and N-octadecyl N'-(morpholinomethyl) urea.
References Cited (Backward Citations)
US3882114A
Cited
US3678157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-18 | 1979-11-17 | 1980-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-18 | 1983-11-17 | 1984-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-18 | 1987-11-17 | 1988-05-18 | $7700.00 | Window Closed / Lapsed |