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:
Apr. 06, 2021
Filed:
Feb. 10, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Assignee:
DDP SPECIALTY ELECTRONIC MATERIALS US, LLC, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 49/60 (2017.01); B01J 39/05 (2017.01); B01J 49/53 (2017.01); B01J 31/10 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 39/18 (2017.01);
U.S. Cl.
CPC ...
B01J 49/60 (2017.01); B01J 31/10 (2013.01); B01J 35/0013 (2013.01); B01J 35/026 (2013.01); B01J 39/05 (2017.01); B01J 39/18 (2013.01); B01J 49/53 (2017.01);
Abstract
Provided is a method of cleaning a collection of resin beads, wherein the method comprises bringing the collection of resin beads into contact with an aqueous solution, wherein the aqueous solution comprises one or more dissolved amine compounds, wherein the collection of resin beads comprises polymer that comprises attached carboxylic acid groups or sulfonic acid groups or a mixture thereof.