Patent ID: 6043300
Filing Date: 2000-03-28
Classification: C07C,C08G,C09D

Abstract:
A rheological additive for non-aqueous systems which when substantially free of diluent, is liquid and pourable at ambient temperatures, and imparts thixotropy to such systems, comprising the reaction product of:a) One or more active hydrogen compounds, wherein the active hydrogen compound contains at least two active hydrogen moieties selected from the group consisting of polyols, amino alcohols and diamines; andb) One or more polycarboxylic acids containing at least two reactive moieties which are capable of reacting with the active hydrogen moieties of (a);wherein the active hydrogen moieties of compound a) are in stoichiometric excess of the reactive moieties of compound b) and the reaction product has at least two active hydrogen moieties at its termini.