US Patent Issued to Agency for Science, Technology and Research on July 22 for "Synthesis of polyester based polymers without use of organic solvents" (Singaporean Inventor)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,767, issued on July 22, was assigned to Agency for Science, Technology and Research (Singapore).

"Synthesis of polyester based polymers without use of organic solvents" was invented by Praveen Thoniyot (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An organic solvent-free method of producing a polyester is disclosed herein. The method may include providing a mixture comprising at least one precursor of the polyester, wherein the at least one precursor is a liquid, and contacting the mixture with a gaseous inorganic acid to produce the polyester. A polyester obtained according to such a method is also disclosed herein."

The patent was fil...