Process for the preparation of ep(d)m elastomeric copolymers and terpolymers
US6861543B2 · kind B2 · utility
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3References
31Claims
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Key dates
| Filing date | Apr 23, 2002 |
| Grant date | Mar 1, 2005 |
| Priority date | — |
| Expiry date | Apr 23, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/943
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process is described for the preparation of elastomeric EP(D)M copolymers and terpolymers, characterized in that it is carried out in the presence of metallocene compounds of general formula (I) having a racemic stereoisomerism
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.