Invention Grant
US5064508A Process for the separation of 2-methylalkanals from isomers thereof
失效
从其异构体中分离2-甲基丙烯酸的方法
- Patent Title: Process for the separation of 2-methylalkanals from isomers thereof
- Patent Title (中): 从其异构体中分离2-甲基丙烯酸的方法
-
Application No.: US574609Application Date: 1990-08-28
-
Publication No.: US5064508APublication Date: 1991-11-12
- Inventor: Jurgen Weber , Peter Lappe , Helmut Springer
- Applicant: Jurgen Weber , Peter Lappe , Helmut Springer
- Applicant Address: DEX Oberhausen
- Assignee: Hoechst Aktiengesellschaft
- Current Assignee: Hoechst Aktiengesellschaft
- Current Assignee Address: DEX Oberhausen
- Priority: DEX3811039 19880331
- Main IPC: C07C45/72
- IPC: C07C45/72 ; C07C45/00 ; C07C45/50 ; C07C45/82 ; C07C45/85 ; C07C47/02 ; C07C47/22 ; C07C67/00
Abstract:
A process for the separation of 2-methylalkanals from a mixture thereof with at least one alpha unbranched aldehyde thereof comprising distillation of said mixture in the presence of formaldehyde and an aldolization catalyst whereby the alpha unbranched aldehydes are converted to alpha alkylacrolein and the 2-methylalkanals are recovered in a high purity.
Public/Granted literature
- US5744944A Programmable bandwidth voltage regulator Public/Granted day:1998-04-28
Information query
