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:
Sep. 17, 2024
Filed:
Sep. 17, 2019
Applicant:
Inv Nylon Chemicals Americas, Llc, Wilmington, DE (US);
Inventors:
Gary J. Smith, North Yorkshire, GB;
Paul S. Pearlman, Thornton, PA (US);
Gregory S. Kirby, Avondale, PA (US);
Richard R. Rosin, Skokie, IL (US);
Taylor Craig Schulz, Skokie, IL (US);
Michael James Sargent, Cambridge, GB;
Assignee:
INV Nylon Chemicals Americas, LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/02 (2006.01); B01D 11/04 (2006.01); B01D 15/38 (2006.01); B01J 39/05 (2017.01); C02F 1/66 (2006.01); C07C 209/84 (2006.01); C07C 209/86 (2006.01); C02F 103/36 (2006.01);
U.S. Cl.
CPC ...
B01D 11/0488 (2013.01); B01D 15/3857 (2013.01); B01J 39/05 (2017.01); C02F 1/66 (2013.01); C07C 209/84 (2013.01); C07C 209/86 (2013.01); C02F 2103/36 (2013.01); C02F 2305/14 (2013.01);
Abstract
The present disclosure generally relates to methods for the recovery of amines from aqueous mixtures. In particular, the disclosure relates to methods for separating amines from amine-containing aqueous mixtures by adjusting the pH of the aqueous mixture relative to the highest pKa value for the amines.