Patent ID: 9464164
Filing Date: 2016-10-11
CPC Classification: C07C,C08G,C08K

Claim Text:
1. A method for preparing polyester from stabilized polyols and polycarboxylic acid, the method comprising: stabilizing one or more polyols selected from a group consisting of 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, octane-1,8-diol, decane-1,10-diol, trimethylolpropane, ditrimethyiolpropane, pentaerythritol, neopentyl glycol, ethylene glycol, diethylene triethylene glycol, tetraethylene glycol, 1,3-butylene glycol and 1,4-cyclohexanediol or mixtures thereof, by contacting the polyols with one or more compounds of the formula (I) or (Il) to produce a first mixture containing stabilized polyols, subsequent to producing the first mixture of stabilized polyols, contacting one or more polycarboxylic adds with the first mixture of stabilized polyols to form a second mixture and produce polyesters from the stabilized polyols and the polycarboxylic acid.