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. 19, 1999
Filed:
Nov. 23, 1998
Applicant:
Inventors:
Richard Lee, Santa Clara, CA (US);
Daniel Prows, Los Gatos, CA (US);
Louis Fries, Los Alto, CA (US);
Assignee:
Matrix Pharmaceutical, Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
21032168 ; 21032167 ; 2103602 ; 210435 ; 422 72 ; 422101 ; 436177 ; 436178 ;
Abstract
An apparatus is provided having a rotor inside a membrane for the aseptic vortex flow concentration of a liquid or semisolid dispersion which has a shed-resistant bearing interface so that unwanted bearing material does not contaminate the substances, e.g., pharmaceutical and biological materials, that are being processed.