A copolymer useful as a rigid gas permeable contact lens material is the polymerization product of a monomeric mixture comprising a polysiloxane-containing urethane or urea prepolymer endcapped with polymerizable ethylenically unsaturated radicals.

 
Web www.patentalert.com

< Soil granulates with controlled active ingredient release (cr soil granulates)

> Yersinia species compositions

~ 00420