Patent · US Active

Process to prepare polyester polymer and polyester polymer obtainable thereby

US11352464B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

Sulzer Management AG · CH

Inventors

Liborio Ivano Costa · Winterthur, CH
Peter Joachim Fleckenstein · Ludwigshafen am Rhein, DE
Jan-Georg Rosenboom · Zürich, CH
Giuseppe Storti · Lodi, IT
Massimo Morbidelli · Zürich, CH

Key dates

Filing date	Sep 27, 2017
Grant date	Jun 7, 2022
Priority date	—
Expiry date	Feb 25, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/54
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process to produce a polyester polymer by polymerization of a cyclic polyester oligomer composition comprising a cyclic polyester oligomer having furanic units in the presence of a plasticizer, as well as the polyester polymer obtained thereby.

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