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.

Date of Patent:
Aug. 12, 1980

Filed:

Mar. 09, 1979
Applicant:
Inventors:

William J McAleer, Ambler, PA (US);

William M Hurni, North Wales, PA (US);

Assignee:

Merck & Co., Inc., Rahway, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C12K / ;
U.S. Cl.
CPC ...
435239 ; 2601 / ; 424 89 ; 210 78 ;
Abstract

It has now been found that small size particles may be extracted from a proteinaceous liquid at a low flow rate in flow-centrifuge operation by precooling the liquid before it enters the centrifuge and by employing a multi-step gradient.


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