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:
Jan. 24, 1978
Filed:
Sep. 14, 1976
Applicant:
Inventors:
Donald E Wiegand, Minneapolis, MN (US);
Frederick H Riedel, Cloquet, MN (US);
Otis R Videen, St. Paul, MN (US);
Assignee:
Conweb Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
210 40 ; 210505 ; 210D / ; 252427 ;
Abstract
Material comprising blends of polymeric and cellulosic fibers is disclosed which is particularly suited for removing oil from aqueous mixtures thereof. The fibers are binded into a web or mat-like structure or blended in an unbonded form and retained by a fine mesh net-like enclosure. The polymeric fiber may be a foamed fiber and a method for producing foamed polymeric fibers is disclosed.