Patent · US Expired

Catalytic systems

US6906147B2 · kind B2 · utility

10Cited by
168References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2002
Grant dateJun 14, 2005
Priority date
Expiry dateOct 24, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This invention relates to single-component and multi-component catalytic systems using aryl titanates. Aryl titanate compounds are useful as catalysts and co-catalysts in single-component and multi-component catalytic systems (e.g., for the polymerization of macrocyclic oligoesters and the depolymerization of polyesters). Multi-component catalytic systems using aryl titanates allow increased versatility in applications such as liquid molding.

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