Active Substances With Expiring Patents

Active Ingredients Coming Off Patent (Patent Holder)
acetamiprid (Nippon Soda)
acibenzolar-S-methyl (Syngenta)
amicarbazone (Bayer CropSciene sold rights to Arysta LifeScience)
azoxystrobin (Syngenta)
bifenazate (Chemtura)
cafenstrole (Chugai Boyeki transferred to Eikou Kasei and licensed to SDS Biotech KK)
carfentrazone-ethyl (FMC Corp.)
cinidon-ethyl (BASF Corp.)
clothianidin (Sumitomo Chemical Takeda Agro Co. jointly developed with Bayer CropScience)
cyazofamid (ISK Biosciences)
cyclosulfamuron (originally invented by Cyanamid (now BASF Corp.))
cyprodinil (Syngenta)
emamectin benzoate (originally Merck & Co. Inc. (now Syngenta))
ethoxysulfuron (Bayer CropScience)
famoxadone (DuPont Crop Protection)
fenamidone (Bayer CropScience)
fenhexamid (Bayer CropScience licensed to Arysta LifeScience for some regions)
florasulam (Dow AgroSciences LLC)
flufenacet (Bayer CropScience)
flupyrsulfuron-methyl-sodium (DuPont Crop Protection)
indanofan (Mitsubishi Chemical Corp. Its agrochemical division ws sold to Nihon Nohyaku Co.)
indoxacarb (DuPont Crop Protection)
iprovalicarb (Bayer CropScience)
isoxaflutole (Bayer CropScience)
kresoxim-methyl (BASF Corp.)
mefenpyr-diethyl (Hoechst (now Bayer CropScience))
mesotrione (Syngenta)
picolinafen (BASF Corp.)
picoxystrobin (Syngenta)
propoxycarbazone (Bayer CropScience)
pyraflufen-ethyl (Nihon Nohyaku Co.)
quinoxyfen (Dow AgroSciences)
silthiofam (Monsanto)
spinosad (Dow AgroSciences)
spiroxamine (Bayer CropScience)
sulfentrazone (FMC Corp.)
thiacloprid (Bayer CropScience)
trifloxystrobin (was Syngenta but had to sell rights to Bayer CropScience)
triticonazole (was Rhone-Poulenc (now Bayer) but sold to BASF Corp.)
tritosulfuron BASF Corp.
zoxamide (Rohm & Haas (now Dow AgroSciencs) rights acquired by Gowan Co.

Source: Enigma Marketing Research