Method for producing a solution of pure triethylenediamine...

Details Method for producing a solution of pure triethylenediamine... Method for producing a solution of pure triethylenediamine...

2011-01-18

2011-01-18

Wilson, James O (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

Reexamination Certificate

active

07872131

ABSTRACT:
Process for preparing a solution of pure triethylenediamine (TEDA), in which TEDA is vaporized, the gaseous TEDA is passed into a liquid solvent 1 (quench) and the TEDA is crystallized from the resulting solution and separated off (solid-liquid separation), wherein the crystalline TEDA obtained is dissolved in a solvent 2 and a stripping gas is passed through the resulting solution (stripping).

REFERENCES:
patent: 3297701 (1967-01-01), Brader et al.
patent: 4017494 (1977-04-01), Bosche et al.
patent: 4757143 (1988-07-01), Vanderpool et al.
patent: 4804758 (1989-02-01), Hoelderich et al.
patent: 5741906 (1998-04-01), Santiesteban et al.
patent: 6555688 (2003-04-01), Klockemann et al.
patent: 6627756 (2003-09-01), Riechers et al.
patent: 2002/0107394 (2002-08-01), Frauenkron et al.
patent: 2002/0156278 (2002-10-01), Lang et al.
patent: 2003/0004349 (2003-01-01), Lang et al.
patent: 2004/0186291 (2004-09-01), Ciprian et al.
patent: 2004/0220405 (2004-11-01), Lang et al.
patent: 2004/0236106 (2004-11-01), Frauenkron et al.
patent: 659 778 (1987-02-01), None
patent: 1 745 627 (1970-05-01), None
patent: 0 111 928 (1984-06-01), None
patent: 0 382 055 (1990-08-01), None
patent: 0 831 096 (1998-03-01), None
patent: 0 842 935 (1998-05-01), None
patent: 0 842 936 (1998-05-01), None
patent: 0 952 152 (1999-10-01), None
patent: 1071717 (2001-01-01), None
patent: 1 192 993 (2002-04-01), None
93-071101/09 is English abstract of JB-B-3 132 061, Jul. 2, 1991, Tosoh Corp.
93-071102/09 is English abstract of JB-B 3 132 062, Jul. 2, 1991, Tosoh Corp.
93-071103/09 is English abstract of JB-B 3 132 063, Jul. 2, 1991, Tosoh Corp.

Affiliated with

Also associated with

Rating

Method for producing a solution of pure triethylenediamine... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for producing a solution of pure triethylenediamine..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for producing a solution of pure triethylenediamine... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2680009