Patent · US Expired

Composition and process for manufacturing polyester

US7335410B2 · kind B2 · utility

0Cited by

8References

13Claims

0Family size

Assignee

Zimmer, Inc. · US

Inventors

Brigitta Otto · Lenzen (Elbe), DE
Eckhard Seidel · Frankfurt, DE
Thomas Steinbrecher · Obernburg, DE

Key dates

Filing date	Oct 19, 2001
Grant date	Feb 26, 2008
Priority date	—
Expiry date	May 28, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2913
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a composition suitable for catalysis in a process for the manufacture of polyester containing as Component I a carrier substance on which catalytically effective metal compounds are adsorbed and as Component II a phosphonic acid compound.

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