US Patent Issued to PROVEPHARM LIFE SOLUTIONS on June 30 for "Process for synthesizing sulfonated triaryl methane compounds" (French Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,570, issued on June 30, was assigned to PROVEPHARM LIFE SOLUTIONS (Marseilles, France).

"Process for synthesizing sulfonated triaryl methane compounds" was invented by Stephane Queru (Marseilles, France), Babak Sayah (Marseilles, France), Nicolas Drillaud (Marseilles, France) and Nicolas Lopez (Marseilles, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a compound of formulaincluding oxidizing the triphenylmethane sulfone of formula (V) with a quinone chosen from 1,4-benzoquinone, 1,2-benzoquinone, a di(C1-C4)alkyl-1,4-benzoquinone, a di(C1-C4)alkyl-1,2-benzoquinone, a mono(C1-C4)alkyl-1,4-benzoquinone and a mono(C1-C4)...