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:
Dec. 08, 2015
Filed:
Jul. 29, 2011
Applicants:
Antti Tynys, Linz, AT;
Joachim Fiebig, St. Marien, AT;
Inventors:
Antti Tynys, Linz, AT;
Joachim Fiebig, St. Marien, AT;
Assignee:
BOREALIS AG, Vienna, AT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); D01D 5/10 (2006.01); D01D 5/098 (2006.01); D01F 6/30 (2006.01); D04H 1/4291 (2012.01); D04H 1/4382 (2012.01); C08F 10/06 (2006.01);
U.S. Cl.
CPC ...
D01D 5/10 (2013.01); B01D 39/1623 (2013.01); C08F 10/06 (2013.01); D01D 5/0985 (2013.01); D01F 6/30 (2013.01); D04H 1/4291 (2013.01); D04H 1/4382 (2013.01); Y10T 428/298 (2015.01); Y10T 442/68 (2015.04);
Abstract
Melt-blown fiber (MBF) comprising a propylene copolymer (PP), wherein the melt-blown fiber (MBF) and/or the propylene copolymer (PP) has/have (a) a melt flow rate MFR(230° C.) measured according to ISO 1133 of at least 300 g/10 min, (b) a comonomer content of 1.5 to 6.0 wt.-%, the comonomers are ethylene and/or at least one Cto Cα-olefin, (c) <2,1> regiodefects of more than 0.4 mol.-% determined byC-NMR spectroscopy.