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:
Feb. 20, 2024
Filed:
Aug. 11, 2022
Applicant:
Ramot AT Tel-aviv University Ltd., Tel-Aviv, IL;
Inventors:
Assignee:
Ramot at Tel-Aviv University Ltd., Tel-Aviv, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 31/22 (2006.01); C08G 63/82 (2006.01); C07D 401/14 (2006.01); C07D 213/36 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2243 (2013.01); C07D 213/36 (2013.01); C07D 401/14 (2013.01); C08G 63/823 (2013.01); B01J 2231/54 (2013.01); B01J 2531/004 (2013.01); B01J 2531/0241 (2013.01); B01J 2531/22 (2013.01); B01J 2531/26 (2013.01);
Abstract
A new family of mononuclear organometallic complexes of a divalent metal bound to sequential tetradentate monoanionic {ONNN}-type ligands, and polymerization of cyclic esters such as lactides utilizing same are provided. Novel tetradentate monoanionic {ONNN}-type ligands usable for forming these complexes are also provided.