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Method For Manufacturing Molten Iron
Abstract: Provided is a method for manufacturing molten iron wherein an iron-containing by-product is blown into a melting gasification furnace through a tuyere. A method for manufacturing molten iron comprises: i) a step for providing an iron-containing by-product that includes a slurry; ii) a step for introducing a lump carbonaceous material and a reducing iron into a melting gasification furnace; iii) a step for crushing the iron-containing by-product together with a fine carbonaceous material to provide a mixture to be blown through the tuyere the mixture having a moisture content greater than 0 wt% and no greater than 2 wt%; iv) a step for blowing through the tuyere installed in the melting gasification furnace and into the melting gasification furnace oxygen and the mixture to be blown through the tuyere; and v) a step for manufacturing molten steel in the melting gasification furnace. In the step for providing the mixture to be blown through the tuyere the average particle diameter of the mixture to be blown through the tuyere is greater than 0 µm and no greater than 50 µm.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
13 June 2018
Publication Number
36/2018
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2024-03-05
Renewal Date
Applicants
POSCO
(Goedong-dong)
6261, Donghaean-ro, Nam-gu,
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. CHOI, Eung Soo
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu,
Pohang-si, Gyeongsangbuk-do 37859
2. YI, Joon Giu
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu,
Pohang-si, Gyeongsangbuk-do 37859
3. BAE, Jin Chan
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu,
Pohang-si, Gyeongsangbuk-do 37859
Specification
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
| 15 AND 43(1) | Manish Kumar | 2024-03-05 |
| 15 AND 43(1) | Manish Kumar | 2024-03-05 |
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201827022087-IntimationOfGrant05-03-2024.pdf | 2024-03-05 |
| 1 | 201827022087-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [13-06-2018(online)].pdf | 2018-06-13 |
| 2 | 201827022087-PatentCertificate05-03-2024.pdf | 2024-03-05 |
| 2 | 201827022087-STATEMENT OF UNDERTAKING (FORM 3) [13-06-2018(online)].pdf | 2018-06-13 |
| 3 | 201827022087-REQUEST FOR EXAMINATION (FORM-18) [13-06-2018(online)].pdf | 2018-06-13 |
| 3 | 201827022087-PETITION UNDER RULE 137 [30-01-2024(online)].pdf | 2024-01-30 |
| 4 | 201827022087-RELEVANT DOCUMENTS [30-01-2024(online)].pdf | 2024-01-30 |
| 4 | 201827022087-FORM 18 [13-06-2018(online)].pdf | 2018-06-13 |
| 5 | 201827022087-Written submissions and relevant documents [30-01-2024(online)].pdf | 2024-01-30 |
| 5 | 201827022087-FORM 1 [13-06-2018(online)].pdf | 2018-06-13 |
| 6 | 201827022087-FIGURE OF ABSTRACT [13-06-2018(online)].pdf | 2018-06-13 |
| 6 | 201827022087-Annexure [10-01-2024(online)].pdf | 2024-01-10 |
| 7 | 201827022087-DRAWINGS [13-06-2018(online)].pdf | 2018-06-13 |
| 7 | 201827022087-Correspondence to notify the Controller [10-01-2024(online)].pdf | 2024-01-10 |
| 8 | 201827022087-FORM-26 [09-01-2024(online)].pdf | 2024-01-09 |
| 8 | 201827022087-DECLARATION OF INVENTORSHIP (FORM 5) [13-06-2018(online)].pdf | 2018-06-13 |
| 9 | 201827022087-COMPLETE SPECIFICATION [13-06-2018(online)].pdf | 2018-06-13 |
| 9 | 201827022087-US(14)-ExtendedHearingNotice-(HearingDate-15-01-2024).pdf | 2023-12-12 |
| 10 | 201827022087-Proof of Right (MANDATORY) [28-07-2018(online)].pdf | 2018-07-28 |
| 10 | 201827022087-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [11-12-2023(online)].pdf | 2023-12-11 |
| 11 | 201827022087-FORM-26 [28-07-2018(online)].pdf | 2018-07-28 |
| 11 | 201827022087-US(14)-ExtendedHearingNotice-(HearingDate-14-12-2023).pdf | 2023-11-06 |
| 12 | 201827022087-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [03-11-2023(online)].pdf | 2023-11-03 |
| 12 | 201827022087.pdf | 2018-08-11 |
| 13 | 201827022087-US(14)-HearingNotice-(HearingDate-08-11-2023).pdf | 2023-09-21 |
| 13 | Abstract1.jpg | 2018-09-01 |
| 14 | 201827022087-FORM 3 [12-12-2018(online)].pdf | 2018-12-12 |
| 14 | 201827022087-Response to office action [13-05-2022(online)].pdf | 2022-05-13 |
| 15 | 201827022087-ORIGINAL UR 6(1A) FORM 26-010818.pdf | 2018-12-17 |
| 15 | 201827022087-Response to office action [15-06-2021(online)].pdf | 2021-06-15 |
| 16 | 201827022087-CLAIMS [20-02-2021(online)].pdf | 2021-02-20 |
| 16 | 201827022087-ORIGINAL UR 6(1A) FORM 1-010818.pdf | 2018-12-17 |
| 17 | 201827022087-FER.pdf | 2020-08-21 |
| 17 | 201827022087-COMPLETE SPECIFICATION [20-02-2021(online)].pdf | 2021-02-20 |
| 18 | 201827022087-CORRESPONDENCE [20-02-2021(online)].pdf | 2021-02-20 |
| 18 | 201827022087-Verified English translation [20-11-2020(online)].pdf | 2020-11-20 |
| 19 | 201827022087-FER_SER_REPLY [20-02-2021(online)].pdf | 2021-02-20 |
| 19 | 201827022087-PETITION UNDER RULE 137 [02-12-2020(online)].pdf | 2020-12-02 |
| 20 | 201827022087-Information under section 8(2) [02-12-2020(online)].pdf | 2020-12-02 |
| 20 | 201827022087-OTHERS [20-02-2021(online)].pdf | 2021-02-20 |
| 21 | 201827022087-FORM 3 [02-12-2020(online)].pdf | 2020-12-02 |
| 21 | 201827022087-FORM 3 [19-02-2021(online)].pdf | 2021-02-19 |
| 22 | 201827022087-FORM 3 [02-12-2020(online)].pdf | 2020-12-02 |
| 22 | 201827022087-FORM 3 [19-02-2021(online)].pdf | 2021-02-19 |
| 23 | 201827022087-Information under section 8(2) [02-12-2020(online)].pdf | 2020-12-02 |
| 23 | 201827022087-OTHERS [20-02-2021(online)].pdf | 2021-02-20 |
| 24 | 201827022087-PETITION UNDER RULE 137 [02-12-2020(online)].pdf | 2020-12-02 |
| 24 | 201827022087-FER_SER_REPLY [20-02-2021(online)].pdf | 2021-02-20 |
| 25 | 201827022087-CORRESPONDENCE [20-02-2021(online)].pdf | 2021-02-20 |
| 25 | 201827022087-Verified English translation [20-11-2020(online)].pdf | 2020-11-20 |
| 26 | 201827022087-COMPLETE SPECIFICATION [20-02-2021(online)].pdf | 2021-02-20 |
| 26 | 201827022087-FER.pdf | 2020-08-21 |
| 27 | 201827022087-CLAIMS [20-02-2021(online)].pdf | 2021-02-20 |
| 27 | 201827022087-ORIGINAL UR 6(1A) FORM 1-010818.pdf | 2018-12-17 |
| 28 | 201827022087-ORIGINAL UR 6(1A) FORM 26-010818.pdf | 2018-12-17 |
| 28 | 201827022087-Response to office action [15-06-2021(online)].pdf | 2021-06-15 |
| 29 | 201827022087-FORM 3 [12-12-2018(online)].pdf | 2018-12-12 |
| 29 | 201827022087-Response to office action [13-05-2022(online)].pdf | 2022-05-13 |
| 30 | 201827022087-US(14)-HearingNotice-(HearingDate-08-11-2023).pdf | 2023-09-21 |
| 30 | Abstract1.jpg | 2018-09-01 |
| 31 | 201827022087-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [03-11-2023(online)].pdf | 2023-11-03 |
| 31 | 201827022087.pdf | 2018-08-11 |
| 32 | 201827022087-FORM-26 [28-07-2018(online)].pdf | 2018-07-28 |
| 32 | 201827022087-US(14)-ExtendedHearingNotice-(HearingDate-14-12-2023).pdf | 2023-11-06 |
| 33 | 201827022087-Proof of Right (MANDATORY) [28-07-2018(online)].pdf | 2018-07-28 |
| 33 | 201827022087-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [11-12-2023(online)].pdf | 2023-12-11 |
| 34 | 201827022087-COMPLETE SPECIFICATION [13-06-2018(online)].pdf | 2018-06-13 |
| 34 | 201827022087-US(14)-ExtendedHearingNotice-(HearingDate-15-01-2024).pdf | 2023-12-12 |
| 35 | 201827022087-DECLARATION OF INVENTORSHIP (FORM 5) [13-06-2018(online)].pdf | 2018-06-13 |
| 35 | 201827022087-FORM-26 [09-01-2024(online)].pdf | 2024-01-09 |
| 36 | 201827022087-DRAWINGS [13-06-2018(online)].pdf | 2018-06-13 |
| 36 | 201827022087-Correspondence to notify the Controller [10-01-2024(online)].pdf | 2024-01-10 |
| 37 | 201827022087-FIGURE OF ABSTRACT [13-06-2018(online)].pdf | 2018-06-13 |
| 37 | 201827022087-Annexure [10-01-2024(online)].pdf | 2024-01-10 |
| 38 | 201827022087-Written submissions and relevant documents [30-01-2024(online)].pdf | 2024-01-30 |
| 38 | 201827022087-FORM 1 [13-06-2018(online)].pdf | 2018-06-13 |
| 39 | 201827022087-RELEVANT DOCUMENTS [30-01-2024(online)].pdf | 2024-01-30 |
| 39 | 201827022087-FORM 18 [13-06-2018(online)].pdf | 2018-06-13 |
| 40 | 201827022087-REQUEST FOR EXAMINATION (FORM-18) [13-06-2018(online)].pdf | 2018-06-13 |
| 40 | 201827022087-PETITION UNDER RULE 137 [30-01-2024(online)].pdf | 2024-01-30 |
| 41 | 201827022087-STATEMENT OF UNDERTAKING (FORM 3) [13-06-2018(online)].pdf | 2018-06-13 |
| 41 | 201827022087-PatentCertificate05-03-2024.pdf | 2024-03-05 |
| 42 | 201827022087-IntimationOfGrant05-03-2024.pdf | 2024-03-05 |
| 42 | 201827022087-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [13-06-2018(online)].pdf | 2018-06-13 |
Search Strategy
| 1 | 201827022087E_15-06-2020.pdf |