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:
Mar. 03, 2020
Filed:
Oct. 10, 2013
Applicant:
Lenzing Ag, Lenzing, AT;
Inventors:
Assignee:
Lenzing AG, A-4860 Lenzing, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01D 5/26 (2006.01); D01F 2/06 (2006.01); D01F 1/07 (2006.01); D01F 2/02 (2006.01); C09K 21/12 (2006.01); D01D 5/06 (2006.01); D01F 2/00 (2006.01); D01F 2/08 (2006.01); C09K 21/10 (2006.01);
U.S. Cl.
CPC ...
D01D 5/26 (2013.01); C09K 21/12 (2013.01); D01D 5/06 (2013.01); D01F 1/07 (2013.01); D01F 2/00 (2013.01); D01F 2/02 (2013.01); D01F 2/06 (2013.01); D01F 2/08 (2013.01); C09K 21/10 (2013.01); Y10T 428/249921 (2015.04); Y10T 428/2933 (2015.01); Y10T 442/696 (2015.04);
Abstract
The invention relates to flame-retardant cellulosic man-made fibers containing a flame-retardant substance in the form of an oxidized condensate of a tetrakis hydroxyalkyl phosphonium salt with ammonia and/or a nitrogenous compound which contains one or several amine groups whereby the fiber has a tenacity of more than 18 cN/tex in a conditioned state. Production process and the use of the fibers according to the invention are further objects of the invention.