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:
Mar. 18, 2008
Filed:
Feb. 19, 2003
Applicants:
Günter Heinrich, Gernsbach, DE;
Manfred Kaussen, Ottersweier, DE;
Martin Büchsel, Kehl, DE;
Inventors:
Assignee:
Papierfabrik Schoeller & Hoesch GmbH & Co. KG, Gernsbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/02 (2006.01); D21F 11/00 (2006.01); D21H 15/00 (2006.01); D04H 1/00 (2006.01); D21H 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described are a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced filter material, and also processes for producing same.