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:
Aug. 13, 2024
Filed:
Jul. 09, 2020
Applicant:
Omya International Ag, Oftringen, CH;
Inventors:
Martin Brunner, Wallbach, CH;
Christophe Rene Pierre Roux, Lyons, FR;
Melanie Monceaux, Wambrechies, FR;
Simon Fremeaux, Emmerin, FR;
Assignee:
OMYA INTERNATIONAL AG, Oftringen, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D04H 1/4291 (2012.01); D01F 1/10 (2006.01); D01F 6/46 (2006.01); D04H 1/492 (2012.01);
U.S. Cl.
CPC ...
D04H 1/4291 (2013.01); D01F 1/10 (2013.01); D01F 6/46 (2013.01); D04H 1/492 (2013.01); D10B 2321/022 (2013.01);
Abstract
The present invention relates to a process for the production of a nonwoven fabric. In particular, the present invention relates to the production of a nonwoven fabric having desirable tactile and haptic properties, as well as to the nonwoven fabric itself. The process requires the selection of specific materials and process conditions. The fabric is produced from a masterbatch of isotactic polypropylene homopolymer and a surface-treated calcium carbonate filler.