Invention Grant
- Patent Title: Method for producing alkylketen dimers
- Patent Title (中): 制备烷基酮二聚体的方法
-
Application No.: US10495756Application Date: 2002-11-19
-
Publication No.: US07078569B2Publication Date: 2006-07-18
- Inventor: Roland Ettl , Manfred Winter , Torsten Freund , Thomas Kessler , Guenther Grimm
- Applicant: Roland Ettl , Manfred Winter , Torsten Freund , Thomas Kessler , Guenther Grimm
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- Priority: DE10158661 20011130
- International Application: PCT/EP02/12932 WO 20021119
- International Announcement: WO03/045936 WO 20030605
- Main IPC: C07C45/89
- IPC: C07C45/89
Abstract:
Alkylketene dimers are prepared by reacting acyl chlorides with tertiary amines in a molar ratio of from 1:1 to 1:1.6 at from 65 to 150° C. and with a residence time of from 1 to 30 minutes in the absence of solvents with thorough mixing and isolation of the alkylketene dimers.
Public/Granted literature
- US20050107639A1 Method for producing alkyl ketene dimers Public/Granted day:2005-05-19
Information query
