公开(公告)号：EP0615523B1

公开(公告)日：1997-06-25

申请号：EP92924662.7

申请日：1992-12-02

申请人： EXXON CHEMICAL PATENTS INC. ,  Mitsubishi Chemical Corporation

发明人： BARON, Norbert ,  HAYASHI, Shigekazu 2-25, Nagosakae-machi 1-chome ,  SUGAWARA, Makota No. 305 2-8, Nishimatsumoto-cho ,  CANICH, Jo, Ann, Marie 900 Henderson Avenue ,  SPEED, Charles, Stanley ,  WELBORN, Howard, Curtis

IPC分类号： C08F10/00 ,  C08F2/00

CPC分类号： C08F10/00 ,  C08F4/61922 ,  C08F210/16 ,  C08F210/18 ,  Y10S526/943 ,  C08F2/02 ,  C08F2/06 ,  C08F210/06 ,  C08F2500/12 ,  C08F210/08 ,  C08F2500/08 ,  C08F210/14 ,  C08F236/20

摘要： The invention provides processes for producing a polyolefin at pressures substantially below conventional high pressure conditions in two-phase conditions below the cloud point. The invention may involve a continuous system with optional recycle. It can be used to produce ethylene copolymers at below 500 bars.