Patent ID: 9688603
Date: 2017-06-27
CPC Classifications: C07C

Claim:
1. A method, comprising contacting a polyhydroxyalkanoate with a nucleophile to convert at least a portion of the polyhydroxyalkanoate to a polyhydroxyalkanoate derivative, the polyhydroxyalkanoate having a structure of Formula A: wherein R the nucleophile having a Formula of R the polyhydroxyalkanoate derivative having a Formula of wherein R wherein: (i) the nucleophile is a critical nucleophile, a supercritical nucleophile or a near-critical nucleophile; or (ii) the method further comprises heating the polyhydroxyalkanoate and the nucleophile to critical, supercritical or near-critical conditions to produce the polyhydroxyalkanoate derivative; or both (i) and (ii).