UV-absorbing benzotriazoles having a styrene group
A reactive monomer for preparing ultraviolet absorbing polymers has formula (I) wherein R 1 is a halogen or C 1 -C 6 straight or branched chain alkoxy group; and R is a --(CH 2 ) 3 O--, --(CH 2...
UV-absorbing benzotriazoles having a styrene group
A reactive monomer for preparing ultraviolet absorbing polymers has formula (I) wherein R 1 is a halogen or C 1 -C 6 straight or branched chain alkoxy group; and R is a --(CH 2 ) 3 O--, --(CH 2...
US Patent #
5559848
Imaging system for plastic components
A system is provided for inspecting components, especially plastic components such as contact lens casting cup assemblies. A process for inspecting such components is also provided. The process...