Method for preparing ligand for polyketone polymerization catalyst
US10702859B2 · kind B2 · utility
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Key dates
| Filing date | Nov 11, 2016 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Jul 26, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present disclosure provides a method for preparing ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine), a ligand for a polyketone polymerization catalyst, under mild conditions with high purity and high yield. Therefore, the preparation method of the present disclosure can be easily applied to mass production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.