Preparation of colourless dibenzylamine

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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Reexamination Certificate

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07019174

ABSTRACT:
The invention relates to a process for preparing colourless dibenzylamine by adding ammonium chlorides or amines to the industrially obtained dibenzylamine and subsequent distillation.

REFERENCES:
patent: 4709009 (1987-11-01), Fujiwara et al.
patent: 5107024 (1992-04-01), Kool et al.
patent: 5321159 (1994-06-01), Lai et al.
patent: 5874619 (1999-02-01), Wiggins et al.
patent: 644 177 (1997-07-01), None
patent: 1 351 050 (1974-04-01), None
Ullmann, Benzylamine; Itsuno S, Koizumi T, Okumura C, Ito K, Synthesis, (2), p. 150-152, (month unavailable) 1995, “Synthesis of Primary Amines Using Potassium 1, 1,3,3-Tetramethyldisilazide as Aminating Agent of Alkyl Halides” Department of Materials Science, Toyohashi University of Technology, Toyohashi 441, Japan.
Patent Abstracts of Japan Bd. 0161, Nr. 14 (C-0921), Mar. 23, 1992 & JP 3 287566 A (Mitsui Petrochem Ind Ltd), Dec. 18, 1991 “Zusammenfassung”.
Database WPI Section Ch, Week 198049 Derwent Publications Ltd., London, GB; An 1980-87955C XP002290915 & SU 729 191 A (Rostovtseva E V) Apr. 28, 1980 “Zusammenfassung”.

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