The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 18, 1987
Filed:
Nov. 21, 1984
Applicant:
Inventors:
Roland Bachelard, Lyons, FR;
Philippe Joubert, Lyons, FR;
Assignee:
Comurhex, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C01G / ; C09K / ; G21G / ;
U.S. Cl.
CPC ...
252638 ; 252643 ; 264-05 ; 423260 ; 423261 ;
Abstract
Process for the preparation of pulverulent metallic oxides with predetermined reactivity which is adjusted by the specific surface area, which are intended to be subjected to subsequent conversions, by thermal treatment of corresponding nitrates in the form of an aqueous solution or of a solids material, consisting of hydrated uranyl nitrate, on its own or in admixture with at least one of thorium nitrate, cerium nitrate and plutonium nitrate, which process is characterized in that it consists of two treatment stages: