EQUIPOLYMERS GMBH Patent applications |
Patent application number | Title | Published |
20140024798 | TITANIUM-BASED CATALYST SHOWING EXCELLENT ACTIVITY AND SELECTIVITY IN POLYCONDENSATION REACTIONS - A polycondensation reaction mixture is disclosed which includes a catalyst, acyclic esters, ethylene glycol, and water. The catalyst is a titanium atrane. The polycondensation reaction mixture is prepared by the steps of (a) contacting a solution comprising a titanium (IV) alkoxide compound and a first solvent with an organic acid; (b) contacting the solution formed in step (a) with a substituted or unsubstituted trialkanolamine to form an impure catalyst; (c) purifying the impure catalyst to form the titanium atrane catalyst; and (d) bringing the catalyst into contact with the acyclic esters under conditions that produce the ethylene glycol and water. | 01-23-2014 |
20130184416 | METHOD OF MIXING AND DEVICE USEFUL THEREOF - The invention generally relates to a method of substantially homogeneously mixing ingredients comprising solid thermoplastic particulates and a viscous material in a container and apparatus useful therein. The invention also generally relates to a non-clogging device and mixing apparatus comprising same. | 07-18-2013 |
20120316316 | TITANIUM-BASED CATALYST SHOWING EXCELLENT ACTIVITY AND SELECTIVITY IN POLYCONDENSATION REACTIONS - Method for producing polyesters using titanium atrane catalysts is disclosed. Also disclosed are methods for making the titanium atrane catalysts. The titanium atrane catalysts are useful as esterification and/or polycondensation catalysts, have similar activity, color and byproduct formation as conventional catalyst systems, but with reduced toxicity and regulatory concerns. | 12-13-2012 |