Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom
US10377839B2 · kind B2 · utility
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Key dates
| Filing date | Aug 1, 2013 |
| Grant date | Aug 13, 2019 |
| Priority date | — |
| Expiry date | Aug 1, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J31/38
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Solid adducts comprising MgCl2, ethanol and water characterized in that the amount of ethanol ranges from 50% to less than 57% by weight, the amount of water is ranges from 0.5 to 5% by weight, the ethanol/water weight ratio is lower than 60 and the porosity determined with Hg method due to pores with radius up to 1 μm and expressed in cm3/g, is lower than 0.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.