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. 18, 1997
Filed:
Apr. 25, 1995
Applicant:
Inventors:
Donald F Hagen, Woodbury, MN (US);
Simon S Fung, Woodbury, MN (US);
Paul E Hansen, Lake Elmo, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162146 ; 1621573 ; 1621642 ; 1621811 ; 1621816 ; 210505 ; 210508 ;
Abstract
A sheet article for solid phase extraction or solid phase reaction has at least one sorptive polymer pulp at least one of sorptive and reactive particulate. The article can be used in a method of separating an analyte from a fluid by passing a fluid containing an analyte through a sheet article containing poly(p- or m-phenylenephthalamide) pulp and solid phase particles.