| http://www.w3.org/ns/prov#value | - The plastic polymer may be a rigid polymer such as polystyrene, but preferably is a flexible plastic or elastomeric polymer, since the latter are especially useful in apparatus and equipment to be used in contact with blood. in accordance with the invention, the plastic polymer surface is rendered substantially nonthrombogenic by a process which comprises two steps: (a) providing the said surface
|
