Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1986-05-23
1989-04-11
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525243, 525249, 525244, 525323, 525268, 525270, 525254, 525258, 525259, 525262, C08F29708
Patent
active
048207756
ABSTRACT:
A process for the production of .alpha.-olefin block copolymer particles having excellent impact resistance at low temperature and excellent molding and processing characteristics, is disclosed. The process includes a two step gas phase polymerization procedure under specific conditions in the presence of a specific catalyst system.
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Kakugo Masahiro
Kawamata Syozo
Kojima Junpei
Kora Hiroyuki
Sadatoshi Hajime
Briggs Sr. Wilbert J.
Sumitomo Chemical Company Limited
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