Method for production of trimethylhexamethylenediamine

Details Method for production of trimethylhexamethylenediamine Method for production of trimethylhexamethylenediamine

2011-08-23

2011-08-23

Davis, Brian J (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S492000

Reexamination Certificate

active

08003826

ABSTRACT:
The invention relates to an improved process for preparing trimethylhexamethylenediamine, hereinafter referred to as TMD for short, by hydrogenation of trimethylhexamethylenedinitrile, hereinafter referred to as TMN for short, in the presence of a shaped hydrogenation catalyst of the Raney type.

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U.S. Appl. No. 12/525,841, filed Aug. 5, 2009, Lettmann, et al.

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