Chromium catalyst compositions and polymerization processes therewith
US5654249A · kind A · utility
5Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1995 |
| Grant date | Aug 5, 1997 |
| Priority date | — |
| Expiry date | May 25, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F10/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Chromium catalyst compositions are provided. These chromium catalyst compositions comprise at least two chromium catalyst systems that have a certain amount of chromium and a support that comprises silica and titania. the supports have certain pore volumes and surface areas. These catalyst compositions are useful for homopolymerizing ethylene or copolymerizing ethylene with a comonomer. The resins produced are useful in film applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.