US 11,920,260 B2
Polymer composition comprising basic additive, process and articles comprising said polymer composition
Dirk Hölter, Emmendingen (DE); and Philippe Lapersonne, Ebringen (DE)
Assigned to RHODIA ACETOW GMBH, Freiburg (DE)
Filed by Rhodia Acetow GmbH, Freiburg (DE)
Filed on Jun. 3, 2022, as Appl. No. 17/832,392.
Application 17/832,392 is a continuation of application No. 15/534,257, granted, now 11,352,716, previously published as PCT/EP2015/079275, filed on Dec. 10, 2015.
Claims priority of application No. 14197348 (EP), filed on Dec. 11, 2014.
Prior Publication US 2022/0290331 A1, Sep. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. D01F 2/28 (2006.01); A24D 3/06 (2006.01); A24D 3/10 (2006.01); B29C 39/00 (2006.01); B29K 1/00 (2006.01); B29K 105/00 (2006.01); B29K 509/00 (2006.01); B29L 31/14 (2006.01); C08J 3/21 (2006.01); C08J 5/18 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C08K 5/092 (2006.01); D01F 1/04 (2006.01); D01F 1/10 (2006.01)
CPC D01F 2/28 (2013.01) [A24D 3/061 (2013.01); A24D 3/068 (2013.01); A24D 3/10 (2013.01); C08J 3/212 (2013.01); C08J 5/18 (2013.01); C08K 3/22 (2013.01); C08K 3/26 (2013.01); C08K 5/092 (2013.01); D01F 1/04 (2013.01); D01F 1/10 (2013.01); B29C 39/003 (2013.01); B29K 2001/12 (2013.01); B29K 2105/0005 (2013.01); B29K 2509/00 (2013.01); B29K 2995/006 (2013.01); B29L 2031/14 (2013.01); C08J 2301/10 (2013.01); C08J 2303/06 (2013.01); C08J 2367/04 (2013.01); C08K 2003/222 (2013.01); C08K 2003/2241 (2013.01); C08K 2201/018 (2013.01); D10B 2505/04 (2013.01)] 20 Claims
 
1. A fiber of filter tow comprising a polymer composition comprising at least one polymer and at least one basic additive, wherein the at least one basic additive has a pH of equal to or less than 13 and equal to or higher than 7 when measured in a 1 wt.-% solution in water at 20° C., wherein the at least one basic additive is present in the polymer composition in the form of finely distributed particles.