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:
May. 25, 2021
Filed:
Mar. 02, 2018
Applicant:
Econic Technologies Ltd., Macclesfield, GB;
Inventors:
Michael Kember, Macclesfield, GB;
Anthony Chartoire, Macclesfield, GB;
Anthea Blackburn, Macclesfield, GB;
Samuel Drane, Macclesfield, GB;
Assignee:
ECONIC TECHNOLOGIES LIMITED, Macclesfield, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 257/10 (2006.01); C07D 487/06 (2006.01);
U.S. Cl.
CPC ...
C07D 257/10 (2013.01); C07D 487/06 (2013.01);
Abstract
A process for preparing a tetra-substituted aminobiphenol macrocyclic ligand having the structure (I), comprising the step of treating a precursor compound having the structure (II) with a compound having the structure R6-L where L represents a leaving group (hereinafter compound (III)) in the presence of a base.