Valeraldehyde and process for its preparation
US6566521B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Nov 13, 2001 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Nov 13, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/822
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Bidentate phosphine ligands of the formula wherein the substituents are as defined in the specification and a process for preparing linear aldehydes by hydroformylating internal olefins using such phosphine ligands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.