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:
Jun. 03, 2025
Filed:
Jul. 12, 2023
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Piusys Co., Ltd., Paju-si, KR;
Nvh Korea, Inc., Ulsan, KR;
Jung Wook Lee, Bucheon-si, KR;
Se Hoon Kim, Seongnam-si, KR;
Ji Wan Kim, Hwaseong-si, KR;
Jin Hyung Lee, Hwaseong-si, KR;
Seong Je Kim, Yeosu-si, KR;
Dae Yong Kim, Suwon-si, KR;
Jong Hyun Ryu, Ansan-si, KR;
Myung Sik Lee, Suwon-si, KR;
Min Seo Wu, Goyang-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
PIUSYS Co., Ltd., Paju-si, KR;
NVH Korea, Inc., Ulsan, KR;
Abstract
Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.