Inventor
Nicole Jehanno
Inventor
Brunoy, FR
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes38%
A61QSpecific use of cosmetics or similar toiletry preparations38%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments25%
PatentTitleYear
4,992,586'Process for preparing 2-nitro-meta-phenylenediamines'19914,888,445'New 2,4-dinitro- or 2-amino-4-nitro- or 2-nitro-4-amino-6-hydroxyalkylanilines, the process for preparation thereof and their use in dyeing keratinous fibres, and especially human hair'19894,863,482'Substituted 2-nitro metaphenylenediamines, a process for their preparation and their use in dyeing keratinous fibers, in particular human hair'19894,845,293'Dyeing composition containing halogenated 2-nitroanilines'19894,797,129'Dye compositions for keratinous fibres containing 2-nitro-metaphenylenediamines'19894,727,192'2,4-dinitro- or 2-amino-4-nitro- or 2-nitro-4-amino-6-hydroxyalkylanilines, the process for preparation thereof and their use in dyeing keratinous fibers, and especially human hair'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1991Patents assigned to OREAL (6)· patent assignee history
1988–1991Based in Brunoy, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| OREAL | 6 | 1988–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brunoy, FR | 6 | 1988–1991 |