SUNBRIGHT® Series comprising highly purified PEG as the starting material contains negligible bifunctional PEG derived from diol impurities. Imparts hydrophilicity and allowing to attach active substances with biocompatible anchor.
BENECEL K35M PH CR is used in matrix and controlled release formulation. Hypromellose, hydrophilic release retardant, 2208 type substitution with viscosity 26250-49000 mPas