The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6951959 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 04, 2005

Filed:

Dec. 09, 2003
Applicants:

Gregory J. Ward, Gulf Breeze, FL (US);

Bryan C. Blanchard, Milton, FL (US);

Inventors:

Gregory J. Ward, Gulf Breeze, FL (US);

Bryan C. Blanchard, Milton, FL (US);

Assignee:

Solutia Inc., St. Louis, MO (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C209/48 ;
U.S. Cl.
CPC ...
Abstract

An improved process for the production of 3-dimethylaminopropylamine in high purity from N,N-dimethylaminopropionitrile utilizing a low pressure hydrogenation process is described. The basic process comprises contacting the nitrile with hydrogen at low pressure in the presence of a catalyst under conditions sufficient to effect the conversion of the nitrile to the primary amine product.


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