Patent · US Expired

Process for the preparation of uranium (IV) chelated compounds and thorium chelated compounds

US4006174A · kind A · utility

2Cited by

1References

3Claims

0Family size

Assignee

SNAMPROGETTI S.p.A. · IT

Inventors

Fausto Calderazzo · Pisa, IT
Marco Pasquali · Munich, DE
Pierpaolo Garibaldi · San Donato Milanese, IT

Key dates

Filing date	Oct 25, 1974
Grant date	Feb 1, 1977
Priority date	—
Expiry date	Oct 25, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F136/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A chelated compound of uranium (IV) or thorium is prepared by reacting an anhydrous halide of uranium (IV) or thorium with a chelating agent such as acetylacetone in the presence of an anhydrous solvent and gaseous ammonia in the temperature range of 10 to 60.degree. C.

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