Patent of thiencarbazone-methyl, herbicide used on corn field, to expire

Thiencarbazone-methyl is a sulfonylurea herbicide developed by Bayer CropScience AG, and its patent in China, CN1158280C, will expire in July, 2020. As of 24 Feb., 2020, there are only 2 valid registrations of thiencarbazone-methyl in China, includin...

Herbicides China News 202002

www.cnchemicals.com