Patent · US Expired

Process for preparing organophosphorus and organophosphono fluorines

US4108950A · kind A · utility

0Cited by
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5Claims
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Assignee

Inventors

Key dates

Filing dateApr 29, 1977
Grant dateAug 22, 1978
Priority date
Expiry dateApr 29, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/425
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method of preparing anticholinesterase organophosphoro and organophosph-fluoridates, e.g., GB in situ by mixing a phosphorous ester in an aprotic solvent with a solution of tetraethylammonium in the same solvent.

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