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:
Sep. 09, 2008
Filed:
Oct. 23, 2002
Applicants:
Roy H. Hammerstedt, Boalsburg, PA (US);
Stephen S. Schwartz, State College, PA (US);
Inventors:
Roy H. Hammerstedt, Boalsburg, PA (US);
Stephen S. Schwartz, State College, PA (US);
Assignee:
Blood Cell Storage, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F26B 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus to lyophilize, store, transport, rehydrate, and process aqueous biological materials in a container which maintains sterility of its contents, allows container shrinkage after lyophilization, and optimally permits filtration or dialysis of the contents in situ, without the need for a second or series of additional containers. These benefits are met by a microporous container constructed of a membrane that is water vapor permeable, yet water impermeable.