Patent · US Expired

Process for the synthesis of oligomeric compounds

US6858715B2 · kind B2 · utility

13Cited by
35References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2002
Grant dateFeb 22, 2005
Priority date
Expiry dateAug 30, 2022

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.