OraRez^®AN (PVM/MA)                                                          CAS: [9011-16-9]

(methyl vinyl ether/maleic anhydride copolymer)

Properties:

o  100% Free of benzene and aromatic solvents

o  Broad molecular weight/viscosity range

o  Water insoluble polymer having a reactive anhydride ring

o  Perfectly alternating –ABAB- structure

Applications:

OraRez AN copolymers are the safest PVM/MA material on the market today. They offer unique formulation and product development opportunities. Applications include:

o  “Direct use” of the AN copolymer in pharmaceutical formulations

o  Versatile reactive polymer for generating new derivatives

o  Controlled release of bioactives

o  Generation of hydrolysable linkages for prolonged drug release systems

o  Generation of pH sensitive systems

o  Hydrogel preparation

o  Wound treatment gels