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公开(公告)号：ES2173064T3
公开(公告)日：2002-10-16
申请号：ES00114475
申请日：2000-07-06
Applicant: BASF AG
Inventor： RIECHERS HARTMUT DR , HOHN ARTHUR DR , SIMON JOACHIM DR , LANG ORTMUND , SCHOENMAKERS HARTMUT DR , RAULS MATTHIAS DR
IPC: C07D487/08 , C07D471/08
Abstract: Preparation of a solution of pure triethylenediamine (TEDA) comprises vaporizing TEDA and passing the TEDA vapor into a liquid solvent. An Independent claim is also included for the preparation of pure TEDA by preparing the solution as above and crystallizing TEDA from this solution.
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