ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,131, issued on March 4.
"Plant growth regulator concentrate and use thereof" was invented by Philip Simon Wikeley (Malvern, Great Britain), Graham Vaughn Scott (Bristol, Great Britain), Mark Belville (Portsmouth, Great Britain) and Graham David Seaman (Southampton, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a liquid concentrate comprising a plant growth regulator like prohexadione dissolved in an ionic liquid, the ionic liquid comprising an organic base and a strong acid. The ionic liquid may comprise an amine, amide, imine, imide or urea. The strong acid preferably is ethephon."
The patent was filed on Ju...