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:
Dec. 10, 2002
Filed:
Oct. 14, 1999
Applicant:
Inventor:
Hoi Cheong Sun, Dayton, NJ (US);
Assignee:
Delsys Pharmaceutical Corporation, Monmouth Junction, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 1/906 ;
U.S. Cl.
CPC ...
B02C 1/906 ;
Abstract
Provided is, among other things, and together with associated methods, a powder feed comprising: a venturi comprising an external gas inlet, a gas outlet through which gas flows at a rate amplified over a gas flow rate into the external gas inlet, and an internal gas inlet; and a cyclone with an intake port connected to the venturi gas outlet, a recycle outlet port, and a product port, wherein a gas flow rate F into the venturi external gas inlet results in an enhanced flow rate into the cyclone intake port.