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:
Jul. 23, 2024
Filed:
Jun. 10, 2021
Applicant:
Ditgreen Co., Ltd., Daejeon, KR;
Inventors:
Soon-yong Park, Daejeon, KR;
Jae-ryong Moon, Daejeon, KR;
Yong-dug Choi, Daejeon, KR;
Hyo-sup Chang, Daejeon, KR;
Yong-seok Park, Daejeon, KR;
Woo-hyung Lee, Daejeon, KR;
Bo-gyeong Cha, Daejeon, KR;
Assignee:
DITGREEN CO., LTD., Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 31/00 (2006.01); D04H 1/06 (2012.01); D04H 1/4258 (2012.01); D04H 1/435 (2012.01); D04H 1/4382 (2012.01); D04H 1/46 (2012.01); D04H 1/485 (2012.01);
U.S. Cl.
CPC ...
A47C 31/001 (2013.01); D04H 1/06 (2013.01); D04H 1/4258 (2013.01); D04H 1/435 (2013.01); D04H 1/43835 (2020.05); D04H 1/46 (2013.01); D04H 1/485 (2013.01); D10B 2401/04 (2013.01); D10B 2503/00 (2013.01);
Abstract
The present invention relates to a flame-retardant nonwoven fabric for a mattress, and a flame-retardant nonwoven fabric for mattresses comprising flame-retardant rayon (FR-Rayon) staple fibers of 20 to 50% by weight; modacrylic staple fibers of 30 to 60% by weight; polyimide (PI) staple fibers of 10 to 30% by weight; and low melting polyester (LM PET) staple fibers of 5 to 20% by weight provides enhanced flame retarding and mechanical properties.