HIGH MANGANESE HIGH STRENGTH STEEL SHEETS WITH EXCELLENT CRASHWORTHINESS, AND METHOD FOR MANUFACTURING OF IT - Patent 2097548

(19)

(11)

EP 2 097 548 A1

(12)

(43)	Date of publication:
	09.09.2009 Bulletin 2009/37

(21)	Application number: 07851742.2

(22)	Date of filing: 24.12.2007

(51)

International Patent Classification (IPC):

C22C 38/04^(2006.01)

(86)	International application number:
	PCT/KR2007/006780

(87)	International publication number:
	WO 2008/078940 (03.07.2008 Gazette 2008/27)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30)

Priority:

27.12.2006 KR 20060135658

(71)	Applicant: Posco
	Pohang Kyungsangbook-do 790-300 (KR)

(72)	Inventors:
	KIM, Sung Kyu Jeollanam-do 545-711 (KR) CHIN, Kwang Geun Jeollanam-do 545-711 (KR) SOHN, Il Ryoung Jeollanam-do 545-711 (KR)

(74)	Representative: Meissner, Bolte & Partner
	Anwaltssozietät GbR Postfach 86 06 24 81633 München 81633 München (DE)

(54)	HIGH MANGANESE HIGH STRENGTH STEEL SHEETS WITH EXCELLENT CRASHWORTHINESS, AND METHOD FOR MANUFACTURING OF IT