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Method For Manufacturing Molten Irons By Injecting A Hydrocarbon Gas And Apparatus For Manufacturing Molten Irons Using The Same

Abstract: The present invention relates to a method for manufacturing molten iron by injecting a hydrocarbon gas and an apparatus for manufacturing molten iron using the same. A method for manufacturing molten iron according to an embodiment of the present invention includes: i) converting iron ore into reduced materials while passing the iron ore through a reduction reactor, ii) charging lumped carbonaceous materials into a melter-gasifier connected to the reduction reactor and forming a coal-packed bed in the melter-gasifier, iii) charging the reduced materials into the melter-gasifier connected to the reduction reactor, injecting oxygen, vapor, and hydrocarbon gas together into a lower portion of the coal-packed bed and manufacturing molten iron, ...

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
20 June 2008
Publication Number
12/2009
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-04-13
Renewal Date

Applicants

POSCO
Goedong-dong  Nam-ku  Pohang-shi  Kyungsangbuk-do 790-300  Republic of Korea.

Inventors

1. CHOI, Eung-Soo
C/O POSCO  5 Dongchon-dong  Nam-ku  Pohang-shi  Kyungsangbuk-do  790-360. Republic of Korea.
2. BAE, Jin-Chan
C/O POSCO  5 Dongchon-dong  Nam-ku  Pohang-shi  Kyungsangbuk-do  790-360. Republic of Korea
3. LEE, Woon-Jae
POSCO  5 Dongchon-dong  Nam-ku  Pohang-shi  Kyungsangbuk-do  790-360. Republic of Korea.

Specification

PLEASE SEE THE SPECIFICATION ATTACHED.

Documents

Orders

Section Controller Decision Date

Application Documents

# Name Date
1 5456-DELNP-2008-RELEVANT DOCUMENTS [05-09-2023(online)].pdf 2023-09-05
1 Form-5.pdf 2011-08-21
2 5456-DELNP-2008-RELEVANT DOCUMENTS [24-09-2022(online)].pdf 2022-09-24
2 Form-3.pdf 2011-08-21
3 Form-1.pdf 2011-08-21
3 5456-DELNP-2008-RELEVANT DOCUMENTS [27-09-2021(online)].pdf 2021-09-27
4 Drawings.pdf 2011-08-21
4 5456-DELNP-2008-RELEVANT DOCUMENTS [05-09-2021(online)].pdf 2021-09-05
5 5456-DELNP-2008-RELEVANT DOCUMENTS [09-03-2020(online)].pdf 2020-03-09
5 5456-delnp-2008-Others-(04-12-2014).pdf 2014-12-04
6 5456-DELNP-2008-RELEVANT DOCUMENTS [30-03-2019(online)].pdf 2019-03-30
6 5456-delnp-2008-Form-3-(04-12-2014).pdf 2014-12-04
7 5456-DELNP-2008-RELEVANT DOCUMENTS [29-03-2018(online)].pdf 2018-03-29
7 5456-delnp-2008-Correspondence Others-(04-12-2014).pdf 2014-12-04
8 Other Patent Document [02-02-2017(online)].pdf 2017-02-02
8 5456-DELNP-2008-OTHERS-041214.pdf 2014-12-16
9 5456-DELNP-2008-Form 3-041214.pdf 2014-12-16
9 Petition Under Rule 137 [02-02-2017(online)].pdf 2017-02-02
10 5456-DELNP-2008-Correspondence-041214.pdf 2014-12-16
10 Petition Under Rule 137 [02-02-2017(online)].pdf_183.pdf 2017-02-02
11 5456-delnp-2008-Marked Copy-(31-12-2014).pdf 2014-12-31
11 Form 26 [03-01-2017(online)].pdf 2017-01-03
12 5456-delnp-2008-Form-18-(31-12-2014).pdf 2014-12-31
12 5456-DELNP-2008_EXAMREPORT.pdf 2016-06-30
13 5456-delnp-2008-Form-13-(31-12-2014).pdf 2014-12-31
13 IP09416 Form 13.pdf 2015-03-16
14 5456-delnp-2008-Correspondence Others-(06-01-2015).pdf 2015-01-06
14 5456-delnp-2008-Form-1-(31-12-2014).pdf 2014-12-31
15 5456-delnp-2008-Drawings-(31-12-2014).pdf 2014-12-31
15 5456-delnp-2008-Others-(06-01-2015).pdf 2015-01-06
16 5456-delnp-2008-Abstract-(31-12-2014).pdf 2014-12-31
16 5456-delnp-2008-Description Complete-(31-12-2014).pdf 2014-12-31
17 5456-delnp-2008-Correspondance Others-(31-12-2014).pdf 2014-12-31
17 5456-delnp-2008-Claims-(31-12-2014).pdf 2014-12-31
18 5456-delnp-2008-Claims-(31-12-2014).pdf 2014-12-31
18 5456-delnp-2008-Correspondance Others-(31-12-2014).pdf 2014-12-31
19 5456-delnp-2008-Abstract-(31-12-2014).pdf 2014-12-31
19 5456-delnp-2008-Description Complete-(31-12-2014).pdf 2014-12-31
20 5456-delnp-2008-Drawings-(31-12-2014).pdf 2014-12-31
20 5456-delnp-2008-Others-(06-01-2015).pdf 2015-01-06
21 5456-delnp-2008-Correspondence Others-(06-01-2015).pdf 2015-01-06
21 5456-delnp-2008-Form-1-(31-12-2014).pdf 2014-12-31
22 5456-delnp-2008-Form-13-(31-12-2014).pdf 2014-12-31
22 IP09416 Form 13.pdf 2015-03-16
23 5456-delnp-2008-Form-18-(31-12-2014).pdf 2014-12-31
23 5456-DELNP-2008_EXAMREPORT.pdf 2016-06-30
24 Form 26 [03-01-2017(online)].pdf 2017-01-03
24 5456-delnp-2008-Marked Copy-(31-12-2014).pdf 2014-12-31
25 5456-DELNP-2008-Correspondence-041214.pdf 2014-12-16
25 Petition Under Rule 137 [02-02-2017(online)].pdf_183.pdf 2017-02-02
26 5456-DELNP-2008-Form 3-041214.pdf 2014-12-16
26 Petition Under Rule 137 [02-02-2017(online)].pdf 2017-02-02
27 5456-DELNP-2008-OTHERS-041214.pdf 2014-12-16
27 Other Patent Document [02-02-2017(online)].pdf 2017-02-02
28 5456-delnp-2008-Correspondence Others-(04-12-2014).pdf 2014-12-04
28 5456-DELNP-2008-RELEVANT DOCUMENTS [29-03-2018(online)].pdf 2018-03-29
29 5456-delnp-2008-Form-3-(04-12-2014).pdf 2014-12-04
29 5456-DELNP-2008-RELEVANT DOCUMENTS [30-03-2019(online)].pdf 2019-03-30
30 5456-delnp-2008-Others-(04-12-2014).pdf 2014-12-04
30 5456-DELNP-2008-RELEVANT DOCUMENTS [09-03-2020(online)].pdf 2020-03-09
31 Drawings.pdf 2011-08-21
31 5456-DELNP-2008-RELEVANT DOCUMENTS [05-09-2021(online)].pdf 2021-09-05
32 Form-1.pdf 2011-08-21
32 5456-DELNP-2008-RELEVANT DOCUMENTS [27-09-2021(online)].pdf 2021-09-27
33 Form-3.pdf 2011-08-21
33 5456-DELNP-2008-RELEVANT DOCUMENTS [24-09-2022(online)].pdf 2022-09-24
34 Form-5.pdf 2011-08-21
34 5456-DELNP-2008-RELEVANT DOCUMENTS [05-09-2023(online)].pdf 2023-09-05

ERegister / Renewals

3rd: 13 Jun 2017

From 26/12/2008 - To 26/12/2009

4th: 13 Jun 2017

From 26/12/2009 - To 26/12/2010

5th: 13 Jun 2017

From 26/12/2010 - To 26/12/2011

6th: 13 Jun 2017

From 26/12/2011 - To 26/12/2012

7th: 13 Jun 2017

From 26/12/2012 - To 26/12/2013

8th: 13 Jun 2017

From 26/12/2013 - To 26/12/2014

9th: 13 Jun 2017

From 26/12/2014 - To 26/12/2015

10th: 13 Jun 2017

From 26/12/2015 - To 26/12/2016

11th: 13 Jun 2017

From 26/12/2016 - To 26/12/2017

12th: 07 Dec 2017

From 26/12/2017 - To 26/12/2018

13th: 20 Dec 2018

From 26/12/2018 - To 26/12/2019

14th: 09 Oct 2019

From 26/12/2019 - To 26/12/2020

15th: 26 Sep 2020

From 26/12/2020 - To 26/12/2021

16th: 27 Nov 2021

From 26/12/2021 - To 26/12/2022

17th: 29 Sep 2022

From 26/12/2022 - To 26/12/2023

18th: 29 Sep 2023

From 26/12/2023 - To 26/12/2024

19th: 30 Sep 2024

From 26/12/2024 - To 26/12/2025

20th: 08 Oct 2025

From 26/12/2025 - To 26/12/2026