Organometallic complexes of sequential tetradentate monoanionic ligands and uses thereof in ring opening polymerization of cyclic esters

M Kol, T Rosen, Y Popowski - US Patent 11,904,307, 2024 - Google Patents
A new family of mononuclear organometallic complexes of a divalent metal bound to
sequential tetradentate monoanionic {ONNN}-type ligands, and polymerization of cyclic …

Block copolymers of cyclic esters and processes for preparing same

M Kol, T Rosen - US Patent 11,613,605, 2023 - Google Patents
Novel processes of preparing block polyester copolymers while precisely controlling the
stereoconfiguration (eg, tacticity), chemical composition and/or length of each unit (block) …

Block copolymers of cyclic esters and processes for preparing same

M Kol, T Rosen - US Patent 10,808,073, 2020 - Google Patents
Novel processes of preparing block polyester copolymers while precisely controlling the
stereoconfiguration (eg, tacticity), chemical composition and/or length of each unit (block) …