Patent ID: 8785676

Claim:
A citrate co-polyesters made by the reaction of: (a) a mixture of (i) poly(ethylene glycol) monomethyl ether having following structure; CH 3 (CH 2 CH 2 O) a —H wherein; a is an integer from 5 to 25; and (ii) fatty alcohol selected from the group consisting of: R—OH (i) wherein; R is alkyl having 8 to 34 carbon atoms and may be saturated, unsaturated or R—OH is a guerbet alcohol, with the proviso that —(CH 2 CH 2 O) a CH 3 makes up 4-95%; (b) poly(ethylene glycol) having the following structure: HO(CH 2 CH 2 O) x H x is an integer ranging from 5 to 25; (c) alkyl diol having the following structure: HOCH 2 (CH 2 ) y OH wherein; y is an integer ranging from 2 to 11; and (d) citric acid having the following structure: