US Patent Issued to SYNGENTA CROP PROTECTION on Sept. 1 for "Process for the preparation of 5-chloro-pyridine- 2-carboxylic acids and carboxylates with 3- sulfur containing substituents" (Swiss Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,027, issued on Sept. 1, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).

"Process for the preparation of 5-chloro-pyridine- 2-carboxylic acids and carboxylates with 3- sulfur containing substituents" was invented by Helmars Smits (Stein, Switzerland) and Mattia Riccardo Monaco (Stein, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the preparation of compound of formula I is provided: (I) where R1 and R2 are as defined in the description."

The patent was filed on Nov. 27, 2020, under Application No. 17/779,854.

*For further information, including images, charts and tables, please visit: http://patft.uspto....