Imprese · 27/02/19951 min di lettura
Listing of Color Additives for Coloring Contact Lenses; 1,4- Bis[4-(2-Methacryloxyethyl) Phenylamino]Anthraquinone Copolymers
Traduzione automatica locale · Lingua originale della fonte
Riepilogo
The Food and Drug Administration (FDA) is amending the color additive regulations to provide for the safe use of the colored reaction product formed by copolymerizing 1,4-bis[4-(2- methacryloxyethyl) phenylamino]anthraquinone with 3- [tris(trimethylsiloxy)silyl]propyl vinyl carbamate (CAS Reg. No. 134072-99-4) and N-vinyl pyrrolidone to form contact lenses. This action is in response to a petition filed by Bausch & Lomb, Inc.