NOVELTY - Article of manufacture comprises a polymer composition containing a polymer (I).    USE - The article of manufacture is useful: as suction and discharge valves, valve plates, valve rings, poppets, piston rings and rider rings, and rod packing/pressure packing, bushings, bearings, thrust washers, seal and rings, ball valve seats, energized seals, pump packings and back-up rings, high voltage connectors, coated pipe liners, and housings for instruments, fuel cell membranes, valves, joints, elbows, pipe section, coated plasma chambers, cookware, prepregs, high temperature fibers, molded articles, extruded articles, semiconductor substrates, liquid crystal display substrates, light-emitting diode substrates, oil pump, mass balance gears, cam shaft bearings, washers, turbocharger impellers, seal rings, thrust washers, check balls, fork pads, electric power steering gears, steering column adjusts, ball joints, column sleeves, worm gears, friction rings, washers, lamp sockets, bushings, pump shoes, fuel liners, quick connect wiring, oxygen sensors, compressor seals, gears mode doors, door hinges, rollers, thrust plugs, washers, tips, vanes, rotors, tappets, pistons, plungers, food contact containers, trays, medical implantable devices, surgical tools, medical instrument components, high temperature resistant molded system (all claimed); and in high voltage connectors used for power and data transfer, corrosion protection comprising coating and extruded pipe liners and in instrument housing and other structural or non-structural components.    ADVANTAGE - The article of manufacture utilizes a polymer, which: is melt processable, insoluble and resistant to common organic solvents and liquids; is insoluble in aggressive organic solvents comprising chloroform and chlorinated liquids; exhibits chemical resistance, good mechanical properties, excellent environmental resistance and resistance to radiation and hydrolysis; can be fabricated into any desired shape, e.g. moldings, films, coatings or fibers along with good electrical insulating properties, good resistance to a wide range of chemicals, retention of mechanical properties at high temperatures, good resistance to burning with low emission of toxic fumes, and low smoke density on burning; and offers additional improvement with repeat sterilization at high temperatures that is suitable of surgical tools and orthopedic and other implantable devices for stabilization, fixation and wear applications.    DETAILED DESCRIPTION - Article of manufacture comprises a polymer composition containing a polymer of formula (-(Z-Q1)x-(Z-Q2)y-) (I).    Q1 = biphenol unit;    Q2 = 4-(1-oxophthalazin-4-yl)-phenoxy unit;    Z = aromatic ketone unit of formula (II), (4'-benzoyl-biphenyl-4-yl)-phenyl-methanone or diphenyl-methanone;    b = 0-1; and    x, y = at least 1.    An INDEPENDENT CLAIM is also included for making the article of manufacture comprising a process comprising extrusion, injection molding, centrifuge molding, blow molding, rotational molding, transfer molding, thermoforming or compression molding.