Patent · US Active

Method for producing functionalized polyesters

US11866547B2 · kind B2 · utility

0Cited by

17References

15Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Sonia Flores Penalba · Cerdanyola del Vallès, ES
Miguel Paradas-Palomo · Mollet del Vallès, ES
Jose Garcia Miralles · Dressendorf, DE
Hans-Georg Kinzelmann · Pulheim, DE
Rosa Maria Sebastian Perez · Ripollet, ES
Jordi Marquet Cortes · Barcelona, ES
Jorge Aguilera Corrochano · Barcelona, ES
Federica Arioli · Barcelona, ES
Therese Hemery · Wiesbaden, DE

Key dates

Filing date	Jan 9, 2020
Grant date	Jan 9, 2024
Priority date	—
Expiry date	Jun 18, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L67/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present application is directed to a method for preparing an amino-functional polyester, said method comprising: providing a mixture comprising at least one lactone monomer, a catalyst and a polyamine having at least one primary and at least one secondary amine group; and, subjecting said mixture to ring-opening polymerization conditions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.