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:
Apr. 07, 2020
Filed:
Dec. 08, 2015
Applicant:
Etex Services NV, Kapelle-op-den-Bos, BE;
Inventors:
Noureddin Moussaif, Kapelle-op-den-Bos, BE;
Benoit de Lhoneux, Namur, BE;
Assignee:
Etex Services NV, Kapelle-op-den-Bos, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 28/02 (2006.01); C04B 16/06 (2006.01); C04B 40/00 (2006.01); D01D 5/088 (2006.01); D01D 5/12 (2006.01); D01F 6/06 (2006.01);
U.S. Cl.
CPC ...
C04B 16/0633 (2013.01); C04B 28/02 (2013.01); D01D 5/088 (2013.01); D01D 5/0885 (2013.01); D01D 5/12 (2013.01); D01F 6/06 (2013.01);
Abstract
The present invention relates to improved polypropylene fibers and methods for producing the same as well as uses of such polypropylene fibers for the production of fiber cement products. The present invention further relates to fiber cement products, such as flat or corrugated fiber cement sheets, comprising the polypropylene fibers of the present invention. The fiber cement products of the present invention have an improved impact resistance as compared to fiber cement products not containing the polypropylene fibers of the present invention.