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:
Oct. 01, 2002
Filed:
Sep. 07, 1999
Applicant:
Inventors:
Jacques Lemaitre, La Conversion, CH;
Nathalie Jongen, Preverenges, CH;
Robert Vacassy, Evian, FR;
Paul Bowen, Nyon, CH;
Assignee:
Calcitech Ltd., Hamilton, BM;
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/124 ;
U.S. Cl.
CPC ...
C01B 3/124 ;
Abstract
A process for the production of powders by precipitation from a liquid reaction mixture comprises passing along a tubular reactor a segmented reaction flow comprised of discrete volumes of the reaction mixture separated by discrete volumes of a separating fluid which is substantially immiscible with said reaction mixture, the residence time of said discrete volumes of reaction mixture in the reactor being sufficient for the precipitation reaction to be effected.