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:
Apr. 13, 2010
Filed:
Jun. 19, 2003
Marnix L. Bosch, Medina, WA (US);
Paul C. Harris, Bothell, WA (US);
Steven J. Monahan, Kenmore, WA (US);
Allen Turner, Seattle, WA (US);
Alton L. Boynton, Kingston, WA (US);
Patricia A. Lodge, Everett, WA (US);
Marnix L. Bosch, Medina, WA (US);
Paul C. Harris, Bothell, WA (US);
Steven J. Monahan, Kenmore, WA (US);
Allen Turner, Seattle, WA (US);
Alton L. Boynton, Kingston, WA (US);
Patricia A. Lodge, Everett, WA (US);
Northwest Biotherapeutics, Inc., Bethesda, MD (US);
Abstract
The present invention provides tangential flow filtration devices and methods for enriching a heterogeneous mixture of blood constituents for leukocytes by removal of non-leukocyte blood constituents. In one particular embodiment the device can provide a composition enriched in monocytes. One embodiment includes a remover unit () having a crossflow chamber () separated by a microporous filter () from a filtrate chamber (), the remover unit () also having a tangential flow inlet (), a fluid outlet () for a fluid enriched in leukocytes and a filtrate outlet ().