Patent ID: 8653226

Claim:
A polyesteracetal, comprising repeating units of the structure: wherein: x is 0 to 5; y is 0 to 1; R 1 , R 2 , R 3 and R 4 are independently H, C 1 to C 24 alkyl, C 2 to C 24 alkenyl, C 6 to C 14 aryl, C 7 to C 24 alkylaryl, heteroatom interrupted C 1 to C 24 alkyl, heteroatom interrupted C 2 to C 24 alkenyl, heteroatom interrupted C 4 to C 14 aryl, or heteroatom interrupted C 5 to C 24 alkylaryl; wherein said polyesteracetal is a copolymer comprising a plurality of repeating unit structures, and wherein for said plurality of repeating unit structures, on average, x>1 and y >0.