Since before RR's first term the US had been providing Saddam with materials which had legitimate uses in farming, but could also be used to develop chemical weapons. When it was determined thats what Hussein was doing with them, RR stopped the deliveries. Rumsfeld was the presidential envoy to the MI 82-84 & might have addressed this issue with Saddam - maybe thats what you remember.
"Since before RR's first term the US had been providing Saddam with materials which had legitimate uses in farming, but could also be used to develop chemical weapons. "
I'm pretty ccertain that all we sold them were trucks and civillian Bell helicopters. We also sent them anthrax and some other substances, but they were the animal/farm versions only good for farm research, not military grade stuff.