Appeal No. 1999-1832 Application No. 08/474,233 OR2 , R1 ____ Si ____ R4 , OR3 wherein R1 is an alkyl or cycloalkyl group containing a primary, secondary or tertiary carbon atom; R2 and R3 are each independently an alkyl or aryl group; and R4 is an alkyl or cycloalkyl group with a secondary or tertiary carbon atom attached to the silicon atom; R1 and R4 are the same or different wherein the Si/Ti molar ratio ranges from 1 to 400 d) introducing said catalyst into a polymerization reaction zone containing said monomer. 14Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14Last modified: November 3, 2007