Birch, Stewart, Kolasch & Birch, LLP
Flame retardant, precursor thereof, and flame retardant material
A flame retardant is provided, which has a structure represented by the following Structural Formula (I) or (II):      when “” represents a double bond, R4 is a nitrogen atom; when “” represents two single bonds, R4 is R4a and R4b, in which R4a is a secondary amino group and R4b is  and R2′ is attached to R4a in Structural Formula (I), and R2 is attached to R4a in Structural Formula (II). 
X-EXTREME PTE. LTD.
C C C C C
C08K C09K C09K C08K C07F
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Sheng-You Yun-Chi Chun-Yang
Lin Chen Yang