Benzoxazinones and their use as ultraviolet light absorbers
申请人:Clariant International Ltd.
公开号:EP1972624A1
公开(公告)日:2008-09-24
The present invention relates to a new subclass of UV absorbers based on benzothiophene substituted benzoxazinones which can be used for stabilization of organic substrates, preferably in the protection of organic substrates against the damaging influence of light exposure.