Patent · US Expired

Synthesis of phosphorus and arsenic, halides and hydrides

US4942252A · kind A · utility

1Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 16, 1988
Grant dateJul 17, 1990
Priority date
Expiry dateAug 16, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/90
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Method for synthesizing alkyl halides of phosphorus, arsenic, or antimony from the corresponding phosphorus, arsenic, or antimony alkyl and phosphorus, arsenic, or antimony halide. An improved synthesis of alkyl phosphorus or arsenic hydrides from the corresponding alkyl phosphorus, arsenic, or antimony halides is also disclosed.

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