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. 11, 2018
Filed:
Sep. 01, 2015
Applicant:
Invista North America S.á.r.l., Wilmington, DE (US);
Inventors:
Gary J. Smith, Wilton, GB;
Paul S. Pearlman, Thornton, PA (US);
Gregory S. Kirby, Avondale, PA (US);
Assignee:
INVISTA North America S.à.r.l., Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C 59/245 (2006.01); C07C 51/42 (2006.01); B01D 15/18 (2006.01); C07C 51/47 (2006.01); B01D 15/02 (2006.01); B01D 15/22 (2006.01); C07C 55/02 (2006.01); C07C 55/21 (2006.01);
U.S. Cl.
CPC ...
C07C 51/42 (2013.01); B01D 15/02 (2013.01); B01D 15/185 (2013.01); B01D 15/1892 (2013.01); B01D 15/22 (2013.01); C07C 51/47 (2013.01); C07C 55/02 (2013.01); C07C 55/21 (2013.01);
Abstract
The present disclosure relates to methods for separating and purifying a long chain diacid from other long chain diacids, monocarboxylic acids, hydroxyl acids or alkanes by simulated or actual moving bed chromatography.