Matthew A Ulrich

US Patent:

20120172627, Jul 5, 2012

Filed:

Jul 8, 2011

Appl. No.:

13/178595

Inventors:

Eric Wong - Houston TX, US
Faisal Mohmand - Sugar Land TX, US
Matthew R. Ulrich - Katy TX, US

Assignee:

Kellogg Brown & Root LLC - Houston TX

International Classification:

C07C 209/86
B01J 8/00

US Classification:

564420, 422187

Abstract:

Systems and methods for producing aromatic amines and removing phenol therefrom are provided. The method can include hydrogenating one or more aromatic nitro compounds to produce a reaction product comprising one or more aromatic amines, water, and phenol. The method can also include contacting the reaction product with one or more ion exchange materials to produce an aromatic amine product that contains less phenol than the reaction product. The one or more ion exchange materials can be solid, semi-solid, or a combination thereof.

US Patent:

20150251988, Sep 10, 2015

Filed:

Feb 26, 2015

Appl. No.:

14/632265

Inventors:

- Houston TX, US
Eric Wing-Tak Wong - Houston TX, US
Matthew R. Ulrich - Katy TX, US

Assignee:

KELLOGG BROWN & ROOT LLC - HOUSTON TX

International Classification:

C07C 209/84
B01J 19/24

Abstract:

Methods and systems for purifying a crude aniline. The method can include contacting a crude aniline that can include aniline, water, and cyclohexanone with a cation exchange resin to produce a cyclohexanone-lean product that contains less cyclohexanone than the crude aniline. The cation exchange resin can be a solid, a semi-solid, or a combination thereof.