Patent · US Expired

Apparatus for production of Grignard reagent

US4032298A · kind A · utility

1Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1974
Grant dateJun 28, 1977
Priority date
Expiry dateDec 30, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F3/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Grignard reagent is produced continuously in a reactor vessel, overflowing into a holding vessel from which the product is continuously removed; the reaction proceeds in the presence of an excess of magnesium constantly maintained, and a portion of the reacting mixture is withdrawn, circulated to a heat exchanger and returned to the reactor vessel.

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