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:
Nov. 21, 1995
Filed:
Sep. 22, 1993
Applicant:
Inventors:
Steven M Menchen, Fremont, CA (US);
Mitchell A Winnik, Toronto, CA;
Ben F Johnson, Palo Alto, CA (US);
Assignee:
Applied Biosystems, Inc., Foster City, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
2042 / ; 2041828 ; 524504 ; 524505 ; 524507 ; 524520 ;
Abstract
A viscous electrophoresis separation medium is disclosed. The medium is formed by a matrix formed by a copolymer composed of hydrophilic polymer segments having selected, substantially uniform segment lengths, and a plurality of hydrophobic polymer segments carried on, and spaced from one another by the hydrophilic polymer segments. Also disclosed is an electrophoresis method which employs the separation medium, and novel copolymers used in forming the medium.