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:
Apr. 17, 1979
Filed:
Sep. 27, 1977
Applicant:
Inventors:
Assignee:
Filtrox-Werk AG, St. Gallen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210502 ;
Abstract
Equal or better adsorbency at lower cost is obtained with a sheet filter of the type having a filtering layer comprised of a supporting layer formed of at least one fibrous material with at least one adsorbent material evenly distributed within the supporting layer, when the adsorbent material consists essentially of .gamma.-aluminum oxide instead of asbestos. A supplementary organic adsorbent material can be incorporated together with an inorganic filler such as kaolin or kieselguhr.