Patent · US Expired

Supported catalyst systems

US6972271B2 · kind B2 · utility

17Cited by
10References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 14, 2004
Grant dateDec 6, 2005
Priority date
Expiry dateDec 11, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/54
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed are methods of producing supported organic catalyst systems which find particular use in polymerization reactions. The methods comprise generally, the steps of (a) providing an organic catalyst solution comprising an organic catalyst dissolved in a solvent; (b) contacting the organic catalyst solution with a solid support material; and (c) removing the solvent from the support material by using one or more supercritical-like solvents.

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