Sales figures for the year ending October 1976 showed that Hemofil and Kryobulin were the most used products, followed by Factorate and Profilate. Linked evidence DHSC0003719_118 - Memo from G A Drewe to Dr Waiter on Factor VIII - 21 Dec 1976 Chronology Information Date: 21 December 1976 Chapter/issue Pharmaceutical Companies