Title:
【発明の名称】ベンゾトリアゾール化合物、その共重合体および紫外線吸収用組成物
Document Type and Number:
Japanese Patent JP2683007
Kind Code:
B2
Abstract:
Ultraviolet light absorbing compositions comprising 2-(2'-hydroxyphenyl)-5(6)-(acryloyloxyalkoxy)benzotriazoles of the formula I: wherein R2 represents hydrogen or alkyl of from 1 to 6 carbon atoms, R3 represents hydrogen, halogen, alkyl of 1 to 5 carbon atoms, or alkoxy of 1 to 8 carbon atoms, and R1 represents a group of the formula II: (II) -O-R'-O-CO-C(R'')=CH2 wherein R' is C2 to C10 alkylene, which may be straight chain or branched, and R'' represents hydrogen, methyl, or halomethyl, and copolymers thereof with one or more other monomers copolymerizable therewith, particularly acrylic monomers, are useful in the manufacture of ocular devices, particularly intraocular lenses and contact lenses.
Inventors:
Gary Bee Dunks
Yo Yamada
Chillards Day Beard
Namasubashiya Dotsuday
Yo Yamada
Chillards Day Beard
Namasubashiya Dotsuday
Application Number:
JP2785688A
Publication Date:
November 26, 1997
Filing Date:
February 10, 1988
Export Citation:
Assignee:
IOLAB CORPORATION
International Classes:
G02C7/00; A61L27/16; A61L27/50; C07D249/20; C08F20/34; C08F20/36; C08L101/00; C09K3/00; G02B1/04; (IPC1-7): C07D249/20; C08F20/36; C08L101/00; C09K3/00
Attorney, Agent or Firm:
Heiyoshi Odashima