Four herbicide patents will expire in China in 2014
Summary: In China, five herbicide patents registered in 1994 will expire in 2014: benzobicylon, fentrazamide, pyribenzoxim and monosulfuron-ester.In China, four herbicide compound patents(benzobicylon, fentrazamide, pyribenzoxim, monosulfuron-ester),...
Herbicide China News201304