Sign In to Follow Application
View All Documents & Correspondence
View All Documents & Correspondence
An Improved Process For Production Of High Purity Magnetite From Hematite Particles Collected As Steel Plant Waste The Process
Abstract: The invention relates to an improved process for production of high purity magnetite from hematite particles collected as steel plant waste the process comprising the steps of: i) charging hematite particles into a fluidized bed reactor and raising the temperature of the reactor in the range of 400-750 ºC, ii) passing coke oven gas through the reactor for fluidization and allowing reduction reaction at atmospheric pressure for a period ranging between 60 to 240 min and cooling the product using the same gas to obtain magnetite, iii) and Collecting the magnetite by known method.
Get Free WhatsApp Updates!
Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
20 May 2014
Publication Number
35/2016
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
lsdavar@ca12.vsnl.net.in
Parent Application
Patent Number
Legal Status
Grant Date
2021-03-30
Renewal Date
Applicants
TATA STEEL LIMITED
Research and Development and Scientific Services Division, Jamshedpur-831001, India
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR)
Anusandhan Bhawan, Rafi Marg, New Delhi – 110 001, India
Inventors
1. T. VENUGOPALAN
c/o. TATA STEEL LIMITED, Research and Development and Scientific Services Division, Jamshedpur-831001, India
2. PRIYA RANJAN RAY
/o. TATA STEEL LIMITED, Research and Development and Scientific Services Division, Jamshedpur-831001, India
3. C RAGHU KUMAR
c/o. TATA STEEL LIMITED, Research and Development and Scientific Services Division, Jamshedpur-831001, India
4. RAJSHEKARA
c/o. TATA STEEL LIMITED, Research and Development and Scientific Services Division, Jamshedpur-831001, India
5. D.C. SAU
c/o. COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) National Metallurgical Laboratory, Jamshedpur, Pin-831007, Jharkhand, India
6. MANOJ KUMAR
c/o. COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) National Metallurgical Laboratory,Jamshedpur, Pin-831007, Jharkhand, India
7. M.K. RUNDA
c/o. COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) National Metallurgical Laboratory,Jamshedpur, Pin-831007, Jharkhand, India
8. RAKESH KUMAR
c/o. COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH (CSIR) National Metallurgical Laboratory,Jamshedpur, Pin-831007, Jharkhand, India
Specification
CLIAMS:Please find the attached file ,TagSPECI:Please find the attached file
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | GPA.pdf | 2014-05-26 |
| 2 | F3.pdf | 2014-05-26 |
| 3 | F2.pdf | 2014-05-26 |
| 4 | 559-KOL-2014-(08-09-2014)-PA.pdf | 2014-09-08 |
| 5 | 559-KOL-2014-(08-09-2014)-FORM-13.pdf | 2014-09-08 |
| 6 | 559-KOL-2014-(08-09-2014)-FORM-1.pdf | 2014-09-08 |
| 7 | 559-KOL-2014-(08-09-2014)-CORRESPONDENCE.pdf | 2014-09-08 |
| 8 | 559-KOL-2014-FER.pdf | 2018-02-16 |
| 9 | 559-KOL-2014-OTHERS [10-08-2018(online)].pdf | 2018-08-10 |
| 10 | 559-KOL-2014-FER_SER_REPLY [10-08-2018(online)].pdf | 2018-08-10 |
| 11 | 559-KOL-2014-COMPLETE SPECIFICATION [10-08-2018(online)].pdf | 2018-08-10 |
| 12 | 559-KOL-2014-RELEVANT DOCUMENTS [20-03-2019(online)].pdf | 2019-03-20 |
| 13 | 559-KOL-2014-PETITION UNDER RULE 137 [20-03-2019(online)].pdf | 2019-03-20 |
| 14 | 559-KOL-2014-HearingNoticeLetter.pdf | 2019-05-08 |
| 15 | 559-KOL-2014-US(14)-ExtendedHearingNotice-(HearingDate-07-04-2020).pdf | 2020-02-29 |
| 16 | 559-KOL-2014-US(14)-ExtendedHearingNotice-(HearingDate-11-08-2020).pdf | 2020-07-07 |
| 17 | 559-KOL-2014-FORM-26 [10-08-2020(online)].pdf | 2020-08-10 |
| 18 | 559-KOL-2014-Correspondence to notify the Controller [10-08-2020(online)].pdf | 2020-08-10 |
| 19 | 559-KOL-2014-Written submissions and relevant documents [25-08-2020(online)].pdf | 2020-08-25 |
| 20 | 559-KOL-2014-PatentCertificate30-03-2021.pdf | 2021-03-30 |
| 21 | 559-KOL-2014-IntimationOfGrant30-03-2021.pdf | 2021-03-30 |
| 22 | 559-KOL-2014-RELEVANT DOCUMENTS [30-09-2022(online)].pdf | 2022-09-30 |
| 23 | 559-KOL-2014-PROOF OF ALTERATION [06-03-2023(online)].pdf | 2023-03-06 |
| 24 | 559-KOL-2014-Response to office action [18-06-2023(online)].pdf | 2023-06-18 |
| 25 | 559-KOL-2014-29-09-2023-POWER OF ATTORNEY.pdf | 2023-09-29 |
| 26 | 559-KOL-2014-29-09-2023-FORM-27.pdf | 2023-09-29 |
| 27 | 559-KOL-2014-29-09-2023-CORRESPONDENCE.pdf | 2023-09-29 |
Search Strategy
| 1 | SearchStrategy_07-02-2018.pdf |