专利检索 ap:("Tze-Chiang Chung" OR "Frank J. Chen" OR "Jon E. Stanat" OR "Alok Kumar") AND inv:"Frank J. Chen" 第 3 页

21.

发明授权
Fixed bed process for polymerizing liquid butenes 失效
标题翻译：用于聚合液体丁烯的固定床工艺

公开(公告)号：US4982045A

公开(公告)日：1991-01-01

申请号：US385712

申请日：1989-07-26

申请人： Frank J. Chen , Robert D. Lundberg

发明人： Frank J. Chen , Robert D. Lundberg

IPC分类号： C08F10/08

CPC分类号： C08F10/08

摘要： This process is one in which a butene feed is passed through a fixed bed of granular aluminum trichloride catalyst, preferably in the presence of an added co-catalyst, to produce a polymerized butene product having number-average molecular weight of greater than about 250.

摘要翻译： 该方法是使丁烯进料通过三氯化钛颗粒催化剂的固定床，优选在加入的助催化剂存在下，生产数均分子量大于约250的聚合丁烯产物。

22.

发明授权
Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647) 失效
标题翻译：使用三氟化硼催化剂（PT-647）制备具有增强反应性的聚丁烯的方法

公开(公告)号：US4849572A

公开(公告)日：1989-07-18

申请号：US136867

申请日：1987-12-22

申请人： Frank J. Chen , Jacob Emert , Robert D. Lundberg , Gregory C. Giffin

发明人： Frank J. Chen , Jacob Emert , Robert D. Lundberg , Gregory C. Giffin

IPC分类号： B01J19/00 , B01J19/18 , C08F2/34 , C08F4/14 , C08F4/42 , C08F10/00 , C08F10/10 , C08F110/10

CPC分类号： B01J19/1881 , B01J19/0013 , C08F10/10 , B01J2219/00099 , F02B2275/14

摘要： There is provided a process for preparing polybutenes having enhanced reactivity using a BF.sub.3 catalyst and an immediate quench procedure and controlled polymerization times of 12 to 40 minutes in combination with isobutylene conversions of at least 70%.