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:
Jan. 10, 1995
Filed:
Jul. 21, 1992
Applicant:
Inventors:
Michel Deleuil, Antony, FR;
Pierre Labourt-Ibarre, Lyon, FR;
Robert Rona, Saint-Germain-en-Laye, FR;
Eraclis Statiotis, Villette D'Anthon, FR;
Assignee:
Rhone-Poulenc Rorer, S.A., , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424451 ; 424458 ; 424473 ; 424490 ; 424494 ; 424497 ;
Abstract
Process for the preparation of pearls based on a pharmaceutical active substance exhibiting an indefinite crystallization point. The said active substance is mixed in molten form with a pharmaceutical excipient promoting the solidification of the active substance, the melt is forced to pass through a nozzle which is subjected to a vibration, the pearls formed are allowed to fall in a tower countercurrentwise to a gas, and the pearls formed are collected in the bottom of the tower.