| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | Mitsubishi Chemical Corp (Tokyo) |
| PATENT CLAIMS |
Oligomerization in hydrocarbon solvent in the presence of catalyst system - Cr compd (a) - N-contg compd selected from: pyrroles & NH(CHO)2 (b) - Methylaluminum compd.: (Me)mAl(OMe)nHp; m < 3; n < 3 & p < 3 & m+n+p = 3 (c) - Halogen-contg compd contg Group IIIA element (d) Wherein oligomerization is conducted at < 250C under pressure 3-250 kg/square.cm |
| PATENT PHOTOCOPY | Available on request |
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