Invention Grant
US08012220B2 Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres
失效
包含2-，4-吡啶鎓或2-，4-喹啉单元的腙类特异性单取代单色化合物，其合成，含有它们的染料组合物和染色角蛋白纤维的方法
- Patent Title: Specific monocationic monochromophoric compounds of hydrazone type comprising a 2-, 4-pyridinium or 2-, 4-quinolinium unit, synthesis thereof, dye compositions containing them, and method for dyeing keratin fibres
- Patent Title (中): 包含2-，4-吡啶鎓或2-，4-喹啉单元的腙类特异性单取代单色化合物，其合成，含有它们的染料组合物和染色角蛋白纤维的方法
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Application No.: US12296721Application Date: 2007-04-13
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Publication No.: US08012220B2Publication Date: 2011-09-06
- Inventor: Hervé David , Nadège Murguet , Andrew Greaves
- Applicant: Hervé David , Nadège Murguet , Andrew Greaves
- Applicant Address: FR Paris
- Assignee: L'Oreal S.A.
- Current Assignee: L'Oreal S.A.
- Current Assignee Address: FR Paris
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: FR0603322 20060413
- International Application: PCT/FR2007/051111 WO 20070413
- International Announcement: WO2007/125238 WO 20071108
- Main IPC: A61Q5/10
- IPC: A61Q5/10 ; C07D211/02
Abstract:
The present disclosure relates to monocationic monochromophoric compounds of formula (I) and (II) and dyeing compositions and multicompartment devices comprising monocationic monochromophoric compounds of formula (I) and (II). The disclosure also relates to methods for preparing monocationic monochromophoric compounds of formula (I) and (II), and also to methods for dyeing comprising applying monocationic monochromophoric compounds of formula (I) and (II) to keratin fibers.
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