C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 249/20 (2006.01) C07D 405/14 (2006.01) C07F 7/10 (2006.01) C07F 9/6518 (2006.01) C08K 5/3475 (2006.01) C09D 7/12 (2006.01) C09K 15/30 (2006.01)
Patent
CA 2220269
Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings.
Les absorbeurs UV à base de benzotriazole qui sont substitués en position 5 du noyau benzénique par un groupe accepteur d'électron présentent une durabilité accrue et des taux de perte très faibles lorsqu'ils sont incorporés dans les revêtements dans l'industrie automobile.
Debellis Anthony David
Detlefsen Robert Edward
Iyengar Revathi
Ravichandran Ramanathan
Suhadolnik Joseph
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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