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:
Feb. 29, 2000
Filed:
Mar. 26, 1998
Applicant:
Inventors:
Peter Striegl, Bobingen, DE;
Achim Sohn, Bobingen, DE;
Assignee:
Johns Manville International, Inc., Denver, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
442184 ; 442306 ; 442 49 ; 442 50 ; 210224 ; 26-1 ;
Abstract
A filter material is described containing synthetic yarns based on a thermoplastic, elastomer copolyether ester. The yarns contain at least 70 wt. %, referred to total yarn weight, of a thermoplastic, elastomer copolyether ester containing at least 95 wt. %, referred to the total weight of the thermoplastic, elastomer copolyether ester, of the recurrent structural units of formulas I and II,