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:
Jul. 25, 1989
Filed:
Jul. 21, 1986
Applicant:
Inventors:
Laurent Duranel, Pau, FR;
Nadine Sanchez, Pau, FR;
Assignee:
Atochem, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ; C01F / ; C01F / ; C01F / ;
U.S. Cl.
CPC ...
423490 ; 23304 ; 423497 ; 423498 ; 423636 ; 502-8 ; 502-9 ; 568851 ;
Abstract
A process for the manufacture of substantially spherical particles of at least one metal compound of Group II of the Periodic Table, comprising dissolving such compound in a solvent therefor to form a solution and introducing the solution into a non-solvent medium; said non-solvent medium consisting essentially of at least two liquids that are non-solvents for said compound, at least one of said non-solvents being immiscible with the solvent solution and at least one of said non-solvents being miscible with said solvent solution.