ZA906189B - Chromium compounds useful as catalysts for polymerization of olefin - Google Patents
Chromium compounds useful as catalysts for polymerization of olefinInfo
- Publication number
- ZA906189B ZA906189B ZA906189A ZA906189A ZA906189B ZA 906189 B ZA906189 B ZA 906189B ZA 906189 A ZA906189 A ZA 906189A ZA 906189 A ZA906189 A ZA 906189A ZA 906189 B ZA906189 B ZA 906189B
- Authority
- ZA
- South Africa
- Prior art keywords
- olefin
- catalysts
- polymerization
- compounds useful
- chromium compounds
- Prior art date
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39268889A | 1989-08-10 | 1989-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA906189B true ZA906189B (en) | 1991-06-26 |
Family
ID=23551607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA906189A ZA906189B (en) | 1989-08-10 | 1990-08-06 | Chromium compounds useful as catalysts for polymerization of olefin |
Country Status (5)
| Country | Link |
|---|---|
| CN (2) | CN1218785A (sh) |
| MX (1) | MX21919A (sh) |
| SA (1) | SA91120187B1 (sh) |
| YU (1) | YU47111B (sh) |
| ZA (1) | ZA906189B (sh) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309355A1 (de) * | 1983-03-16 | 1984-09-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von pyrrolen |
| US4564660A (en) * | 1983-06-30 | 1986-01-14 | Union Carbide Corporation | Use of alkylaluminum compounds and hydroxyl-containing compounds to initiate polymerization of ethylene with chromium oxide catalysts |
| US4806513A (en) * | 1984-05-29 | 1989-02-21 | Phillips Petroleum Company | Silicon and fluorine-treated alumina containing a chromium catalyst and method of producing same |
| US4668838A (en) * | 1986-03-14 | 1987-05-26 | Union Carbide Corporation | Process for trimerization |
-
1990
- 1990-08-06 ZA ZA906189A patent/ZA906189B/xx unknown
- 1990-08-09 YU YU154290A patent/YU47111B/sh unknown
- 1990-08-09 MX MX2191990A patent/MX21919A/es unknown
-
1991
- 1991-10-12 SA SA91120187A patent/SA91120187B1/ar unknown
-
1997
- 1997-09-11 CN CN97118272A patent/CN1218785A/zh active Pending
- 1997-09-11 CN CN97118273A patent/CN1093777C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| YU154290A (sh) | 1992-12-21 |
| CN1093777C (zh) | 2002-11-06 |
| CN1178720A (zh) | 1998-04-15 |
| YU47111B (sh) | 1994-12-28 |
| SA91120187B1 (ar) | 2004-05-09 |
| CN1218785A (zh) | 1999-06-09 |
| MX21919A (es) | 1993-10-01 |
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