to the valency of L+b, L is a divalent to heptavalent metal or non-metal, Q is a...http://www.google.com/patents/US5082952?utm_source=gb-gplus-sharePatent US5082952 - Process for the preparation of metallocene complexesAdvanced Patent SearchPublication numberUS5082952 APublication typeGrantApplication numberUS 06/867,113Publication dateJan 21, 1992Filing dateMay 27, 1986Priority dateJun 6, 1985Fee