EP 2238121 A1 20101013 - UVA FILTER BASED ON ASCORBIC ACID DERIVATIVES
Title (en)
UVA FILTER BASED ON ASCORBIC ACID DERIVATIVES
Title (de)
UVA FILTER AUF DER BASIS VON ASCORBINSÄUREDERIVATEN
Title (fr)
FILTRES UVA À BASE DE DÉRIVÉS DE L'ACIDE ASCORBIQUE
Publication
Application
Priority
- EP 2009000183 W 20090114
- EP 08002176 A 20080206
- EP 09707578 A 20090114
Abstract (en)
[origin: WO2009097951A1] The invention relates to compounds of formula (I) wherein R1, R2, R3, R4 have the meaning cited in the claims, to methods for the production thereof, to agents containing said compounds and to their use for the functionalisation of matrices, in particular their use as skin and/or hair-binding UV filters.
IPC 8 full level
C07D 307/62 (2006.01); A61K 8/67 (2006.01)
CPC (source: EP US)
C07D 307/62 (2013.01 - EP US)
Citation (search report)
See references of WO 2009097951A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
WO 2009097951 A1 20090813; CN 101939309 A 20110105; EP 2238121 A1 20101013; US 2010322880 A1 20101223
DOCDB simple family (application)
EP 2009000183 W 20090114; CN 200980104126 A 20090114; EP 09707578 A 20090114; US 86628109 A 20090114