Patent ID: 7759044

Claim:
A dissolution modification agent represented by one of the following structures: wherein each P 1 , P 2 , P 3 , P 4 , P 5 , P 6 , P 7 , P 8 , and P 15 is independently selected from the group consisting of a structure V, a structure VI and a structure VII: wherein each R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 is independently selected from the group consisting of a hydrogen atom, a hydrocarbyl group having 4 to 12 carbon atoms, a substituted hydrocarbyl group having 4 to 12 carbon atoms, a heterohydrocarbyl group having 4 to 12 carbon atoms, and a substituted heterohydrocarbyl group having 4 to 12 carbon atoms; and wherein any two R 1 , R 2 , R 3 or any two R 4 , R 5 , R 6 may be linked to form a three to eight-membered cyclic group.