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. 16, 1980
Filed:
Feb. 24, 1978
Applicant:
Inventors:
Shmuel Sternberg, Lexington, MA (US);
Steven S Emmer, Newton, MA (US);
Assignee:
Millipore Corporation, Bedford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210639 ; 210 94 ; 210101 ; 210650 ; 2102572 ; 2103 / ; 210444 ; 210483 ; 210490 ; 210D / ; 422101 ; 422256 ;
Abstract
Method and apparatus for the constant volume solvent exchange or constant volume neutralization of a liquid solution or suspension of macromolecules. Liquid enters a bulk zone and passes into a thin layer filtration zone, in which the separation is effected through a semi-permeable membrane filter.