Patent · US Expired

Chemical processes using aryl diphosphine containing catalysts

US6043398A · kind A · utility

1Cited by
1References
17Claims
0Family size

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Inventors

Key dates

Filing dateApr 18, 1996
Grant dateMar 28, 2000
Priority date
Expiry dateApr 18, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides novel water-soluble diphosphines having the formula ##STR1## wherein X, Y, R.sub.1-18 and n are defined herein, and which can be complexed with a transition metal to form a novel catalyst useful in such applications as hydroformylation.

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