Patent · US Expired

Process for the synthesis of oligomeric compounds

US7186822B2 · kind B2 · utility

1Cited by
34References
16Claims
0Family size

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Inventors

Key dates

Filing dateDec 28, 2004
Grant dateMar 6, 2007
Priority date
Expiry dateDec 28, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/55
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related contaminants.

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