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. 24, 1989
Filed:
Feb. 24, 1988
Applicant:
Inventors:
Chaur-Ming Jan, Randolph, NJ (US);
Mark E Oehling, Stroudsburg, PA (US);
Assignee:
Warner-Lambert Company, Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05C / ;
U.S. Cl.
CPC ...
118 62 ; 118303 ; 118D / ; 34241 ; 34181 ; 34182 ;
Abstract
A fluidized bed dryer/granulator (10) for coating pellets (P) used in the preparation of pharmaceutical materials, comprises a chamber (11) having a top wall (12) and a bowl (16) at the bottom thereof and an axial air inlet (19) for directing a flow of air axially therethrough, and at least one removable air inlet (20, 21) positioned in the chamber for directing a circumferential flow of air into the chamber to interact with the axial flow to produce an orbital or swirling motion, enhancing the rate of treatment of the material in the chamber.