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:
Sep. 06, 2022
Filed:
Nov. 01, 2018
Applicant:
Hanwha Chemical Corporation, Seoul, KR;
Inventors:
Dae Hak Kim, Seongnam-si, KR;
Seung Hoe Do, Daejeon, KR;
Jin Seo Lee, Seongnam-si, KR;
Kyoung Won Yim, Buk-gu, KR;
Kyung Ho Kwon, Daegu, KR;
Do Kyoung Kim, Busan, KR;
Hye Yeon Lee, Seoul, KR;
Assignee:
HANWHA CHEMICAL CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/20 (2006.01); B32B 27/08 (2006.01); B32B 15/18 (2006.01); B32B 15/04 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B32B 5/20 (2013.01); B32B 15/046 (2013.01); B32B 15/18 (2013.01); B32B 27/08 (2013.01); B29K 2105/04 (2013.01); B32B 2250/40 (2013.01); B32B 2266/0257 (2013.01); B32B 2305/022 (2013.01); B32B 2605/08 (2013.01);
Abstract
The present invention relates to a lightweight sandwich steel sheet using polyamide, and more particularly, to a lightweight sandwich steel sheet using polyamide and a manufacturing method therefor, the steel sheet being usable at a wider temperature range than that of a conventional sandwich steel sheet and, particularly, having excellent adhesion at a low temperature and remarkably increasing stability and lightweight property.