#$%^&*AU2011226788B220130725.pdf#####- 34 ABSTRACT A bone cement comprising an acrylic polymer mixture which is formulated to have a relatively high viscosity for a relatively long window, due to distributions 5 of molecular weights and/or sizes of acrylic beads. 21/09/11 jb19474 specificalion,341/5 MONOMER AND 110 POLYMER COMBINED Mix 112 WORKING WINDOW INJECTION 116 (OPTIONAL) HARDfENING FIG.1