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"Continuous Cast Slab And Producing Method Therefor"
Abstract: A continuous cast slab includes the following component: by mass%, C: 0,01 ~ 0.3%, Si: 0.05 ~ 0.5%, Mn: 0.4 - 2%, P: 0.03% or less, S: 0.03 or less, Al: 0.005 ~ 0.03%, Ni: 0.2 ~ 2%, O: 0.006% or less, and N: 0.006% or less; wherein the balance is composed of Fe and inevitable impurities; wherein a structure in steel in a region within at least 2 mm from a broad surface is composed of ferrite and pearlite and a equivalent circular diameter of ferrite grains in the region is equal to or shorter than 30 µm.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
28 December 2010
Publication Number
10/2012
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2017-12-13
Renewal Date
Applicants
NIPPON STEEL CORPORATION,
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Inventors
1. AKIHITO KIYOSE
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
2. TOSHIYUKI KAJITANI
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
3. MINEO NIIZUMA
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
4. YASUHIKO OOTANI
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 9291-DELNP-2010Correspondence-Others-(07-03-2011).pdf | 2011-03-07 |
| 2 | 9291-DELNP-2010-Form-3-(30-06-2011).pdf | 2011-06-30 |
| 3 | 9291-DELNP-2010-Correspondence Others-(30-06-2011).pdf | 2011-06-30 |
| 4 | 9291-delnp-2010-gpa.pdf | 2011-08-20 |
| 5 | 9291-delnp-2010-form-5.pdf | 2011-08-20 |
| 6 | 9291-delnp-2010-form-3.pdf | 2011-08-20 |
| 7 | 9291-delnp-2010-form-2.pdf | 2011-08-20 |
| 8 | 9291-delnp-2010-form-18.pdf | 2011-08-20 |
| 9 | 9291-delnp-2010-form-1.pdf | 2011-08-20 |
| 10 | 9291-delnp-2010-drawings.pdf | 2011-08-20 |
| 11 | 9291-delnp-2010-description (complate).pdf | 2011-08-20 |
| 12 | 9291-delnp-2010-correspondence-others.pdf | 2011-08-20 |
| 13 | 9291-delnp-2010-claims.pdf | 2011-08-20 |
| 14 | 9291-delnp-2010-abstract.pdf | 2011-08-20 |
| 15 | 9291-DELNP-2010-GPA-(08-07-2013).pdf | 2013-07-08 |
| 16 | 9291-DELNP-2010-Form-2-(08-07-2013).pdf | 2013-07-08 |
| 17 | 9291-DELNP-2010-Form-1-(08-07-2013).pdf | 2013-07-08 |
| 18 | 9291-DELNP-2010-Correspondence-Others-(08-07-2013).pdf | 2013-07-08 |
| 19 | 9291-DELNP-2010-FER.pdf | 2016-08-16 |
| 20 | Petition Under Rule 137 [21-12-2016(online)].pdf | 2016-12-21 |
| 21 | Other Document [21-12-2016(online)].pdf | 2016-12-21 |
| 22 | Form 3 [21-12-2016(online)].pdf | 2016-12-21 |
| 23 | Examination Report Reply Recieved [21-12-2016(online)].pdf | 2016-12-21 |
| 24 | Drawing [21-12-2016(online)].pdf | 2016-12-21 |
| 25 | Description(Complete) [21-12-2016(online)].pdf_53.pdf | 2016-12-21 |
| 26 | Description(Complete) [21-12-2016(online)].pdf | 2016-12-21 |
| 27 | Correspondence [21-12-2016(online)].pdf | 2016-12-21 |
| 28 | Claims [21-12-2016(online)].pdf | 2016-12-21 |
| 29 | Abstract [21-12-2016(online)].pdf | 2016-12-21 |
| 30 | 9291-DELNP-2010-Power of Attorney-231216.pdf | 2016-12-26 |
| 31 | 9291-DELNP-2010-OTHERS-231216.pdf | 2016-12-26 |
| 32 | 9291-DELNP-2010-Correspondence-231216.pdf | 2016-12-26 |
| 33 | 9291-DELNP-2010-HearingNoticeLetter.pdf | 2017-10-09 |
| 34 | 9291-DELNP-2010-Written submissions and relevant documents (MANDATORY) [31-10-2017(online)].pdf | 2017-10-31 |
| 35 | 9291-DELNP-2010-PETITION UNDER RULE 137 [31-10-2017(online)].pdf | 2017-10-31 |
| 36 | 9291-DELNP-2010-FORM 3 [31-10-2017(online)].pdf | 2017-10-31 |
| 37 | 9291-DELNP-2010-PatentCertificate13-12-2017.pdf | 2017-12-13 |
| 38 | 9291-DELNP-2010-IntimationOfGrant13-12-2017.pdf | 2017-12-13 |
| 39 | 9291-DELNP-2010-RELEVANT DOCUMENTS [21-02-2019(online)].pdf | 2019-02-21 |
| 40 | 9291-DELNP-2010-PROOF OF ALTERATION [12-07-2019(online)].pdf | 2019-07-12 |
| 41 | 290559-Power of Attorney-180719.pdf | 2019-07-24 |
| 42 | 290559-OTHERS-180719.pdf | 2019-07-24 |
| 43 | 290559-Correspondence-180719.pdf | 2019-07-24 |
| 44 | 9291-DELNP-2010-RELEVANT DOCUMENTS [20-02-2020(online)].pdf | 2020-02-20 |
| 45 | 9291-DELNP-2010-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 46 | 9291-DELNP-2010-RELEVANT DOCUMENTS [24-09-2022(online)].pdf | 2022-09-24 |
| 47 | 9291-DELNP-2010-RELEVANT DOCUMENTS [30-08-2023(online)].pdf | 2023-08-30 |