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.:
Date of Patent:
Nov. 08, 2016
Filed:
Jun. 09, 2014
Applicants:
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Inventors:
George D. Green, Cary, IL (US);
John C. Rohanna, Ambler, PA (US);
Alfred K. Schultz, Maple Glen, PA (US);
Assignees:
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 41/14 (2006.01); B01J 41/04 (2006.01); B01J 45/00 (2006.01); C08F 8/30 (2006.01);
U.S. Cl.
CPC ...
B01J 41/14 (2013.01); B01J 41/043 (2013.01); B01J 41/046 (2013.01); B01J 45/00 (2013.01); C08F 8/30 (2013.01);
Abstract
A method for making an anion exchange or chelant resin comprising a vinyl aromatic polymer including a repeating unit comprising an aromatic ring substituted with an aliphatic amino group, wherein the method comprises the step of reacting a vinyl aromatic polymer with a nitro compound comprising from 1 to 12 carbon atoms with the proviso that the α carbon includes at least one hydrogen.