A method for preparing platelets comprises the steps of obtaining whole blood from human, preparing platelet rich plasma from the whole blood and then passing the platelet rich plasma through a filter comprising a porous medium having a CWST of at least about 70 dynes/cm, under conditions sufficient...http://www.google.com/patents/US5580465?utm_source=gb-gplus-sharePatent US5580465 - Method for preparing platelets
