Processes using staged hydrogen addition
US9676882B2 · kind B2 · utility
4Cited by
10References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2016 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Jan 22, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F110/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.