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Improving Grinding In A Alumina Extraction Process
Abstract: The present disclosure pertains to a method of improving the grinding of a bauxite containing slurry during the grinding stage of an alumina extraction process. Specifically, an effective amount of one or more non-ionic surfactants, polyglycols, polyglycol ethers, anionic surfactants, anionic polymers, or a combination thereof are added to said bauxite containing slurry during the grinding stage of an alumina extraction process to achieve an improved effect.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
21 December 2009
Publication Number
34/2011
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2018-02-16
Renewal Date
Applicants
NALCO COMPANY
1601 W. Diehl Road Naperville IL 60563-1198 United States of America
Inventors
1. Everett C. PHILLIPS
4450 Lake Superior Corpus Christi TX 78413 United States of America
Specification
IMPROVING GRINDING IN A ALUMINA EXTRACTION PROCESS
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 8367-DELNP-2009-Correspondence-Others (29-12-2009).pdf | 2009-12-29 |
| 1 | 8367-DELNP-2009-RELEVANT DOCUMENTS [03-10-2023(online)].pdf | 2023-10-03 |
| 2 | 8367-DELNP-2009-Assignment (29-12-2009).pdf | 2009-12-29 |
| 2 | 8367-DELNP-2009-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 3 | 8367-DELNP-2009-RELEVANT DOCUMENTS [21-07-2021(online)].pdf | 2021-07-21 |
| 3 | 8367-DELNP-2009-Form-3-(23-08-2010).pdf | 2010-08-23 |
| 4 | 8367-DELNP-2009-RELEVANT DOCUMENTS [27-03-2020(online)].pdf | 2020-03-27 |
| 4 | 8367-DELNP-2009-Correspondence-Others-(23-08-2010).pdf | 2010-08-23 |
| 5 | 8367-DELNP-2009-RELEVANT DOCUMENTS [25-03-2020(online)].pdf | 2020-03-25 |
| 5 | 8367-DELNP-2009-GPA-(02-05-2011).pdf | 2011-05-02 |
| 6 | 8367-DELNP-2009-RELEVANT DOCUMENTS [26-03-2019(online)].pdf | 2019-03-26 |
| 6 | 8367-DELNP-2009-Form-18-(02-05-2011).pdf | 2011-05-02 |
| 7 | 8367-DELNP-2009-RELEVANT DOCUMENTS [22-03-2019(online)].pdf | 2019-03-22 |
| 7 | 8367-DELNP-2009-Correspondence-Others-(02-05-2011).pdf | 2011-05-02 |
| 8 | Priority Document.pdf | 2011-08-20 |
| 8 | 8367-DELNP-2009-RELEVANT DOCUMENTS [27-03-2018(online)].pdf | 2018-03-27 |
| 9 | 8367-DELNP-2009-IntimationOfGrant16-02-2018.pdf | 2018-02-16 |
| 9 | Form-5.pdf | 2011-08-20 |
| 10 | 8367-DELNP-2009-PatentCertificate16-02-2018.pdf | 2018-02-16 |
| 10 | Form-3.pdf | 2011-08-20 |
| 11 | 8367-DELNP-2009-Written submissions and relevant documents (MANDATORY) [02-02-2018(online)].pdf | 2018-02-02 |
| 11 | Form-1.pdf | 2011-08-20 |
| 12 | 8367-delnp-2009-ExtendedHearingNoticeLetter_19Jan2018.pdf | 2017-12-14 |
| 12 | Relevant Documents.pdf | 2014-05-19 |
| 13 | 8367-DELNP-2009-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [11-12-2017(online)].pdf | 2017-12-11 |
| 13 | PD013051IN-NP_Form 13 Address for Service.pdf | 2014-05-19 |
| 14 | 8367-DELNP-2009-HearingNoticeLetter.pdf | 2017-11-15 |
| 14 | Form 3 [10-06-2016(online)].pdf | 2016-06-10 |
| 15 | 8367-DELNP-2009-FER.pdf | 2016-08-24 |
| 15 | Abstract [17-02-2017(online)].pdf | 2017-02-17 |
| 16 | Claims [17-02-2017(online)].pdf | 2017-02-17 |
| 16 | Petition Under Rule 137 [16-02-2017(online)].pdf | 2017-02-16 |
| 17 | Other Document [16-02-2017(online)].pdf | 2017-02-16 |
| 17 | Correspondence [17-02-2017(online)].pdf | 2017-02-17 |
| 18 | Description(Complete) [17-02-2017(online)].pdf | 2017-02-17 |
| 18 | Other Document [17-02-2017(online)].pdf | 2017-02-17 |
| 19 | Description(Complete) [17-02-2017(online)].pdf_39.pdf | 2017-02-17 |
| 19 | Examination Report Reply Recieved [17-02-2017(online)].pdf | 2017-02-17 |
| 20 | Description(Complete) [17-02-2017(online)].pdf_39.pdf | 2017-02-17 |
| 20 | Examination Report Reply Recieved [17-02-2017(online)].pdf | 2017-02-17 |
| 21 | Description(Complete) [17-02-2017(online)].pdf | 2017-02-17 |
| 21 | Other Document [17-02-2017(online)].pdf | 2017-02-17 |
| 22 | Correspondence [17-02-2017(online)].pdf | 2017-02-17 |
| 22 | Other Document [16-02-2017(online)].pdf | 2017-02-16 |
| 23 | Claims [17-02-2017(online)].pdf | 2017-02-17 |
| 23 | Petition Under Rule 137 [16-02-2017(online)].pdf | 2017-02-16 |
| 24 | Abstract [17-02-2017(online)].pdf | 2017-02-17 |
| 24 | 8367-DELNP-2009-FER.pdf | 2016-08-24 |
| 25 | 8367-DELNP-2009-HearingNoticeLetter.pdf | 2017-11-15 |
| 25 | Form 3 [10-06-2016(online)].pdf | 2016-06-10 |
| 26 | 8367-DELNP-2009-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [11-12-2017(online)].pdf | 2017-12-11 |
| 26 | PD013051IN-NP_Form 13 Address for Service.pdf | 2014-05-19 |
| 27 | 8367-delnp-2009-ExtendedHearingNoticeLetter_19Jan2018.pdf | 2017-12-14 |
| 27 | Relevant Documents.pdf | 2014-05-19 |
| 28 | 8367-DELNP-2009-Written submissions and relevant documents (MANDATORY) [02-02-2018(online)].pdf | 2018-02-02 |
| 28 | Form-1.pdf | 2011-08-20 |
| 29 | 8367-DELNP-2009-PatentCertificate16-02-2018.pdf | 2018-02-16 |
| 29 | Form-3.pdf | 2011-08-20 |
| 30 | 8367-DELNP-2009-IntimationOfGrant16-02-2018.pdf | 2018-02-16 |
| 30 | Form-5.pdf | 2011-08-20 |
| 31 | Priority Document.pdf | 2011-08-20 |
| 31 | 8367-DELNP-2009-RELEVANT DOCUMENTS [27-03-2018(online)].pdf | 2018-03-27 |
| 32 | 8367-DELNP-2009-RELEVANT DOCUMENTS [22-03-2019(online)].pdf | 2019-03-22 |
| 32 | 8367-DELNP-2009-Correspondence-Others-(02-05-2011).pdf | 2011-05-02 |
| 33 | 8367-DELNP-2009-RELEVANT DOCUMENTS [26-03-2019(online)].pdf | 2019-03-26 |
| 33 | 8367-DELNP-2009-Form-18-(02-05-2011).pdf | 2011-05-02 |
| 34 | 8367-DELNP-2009-RELEVANT DOCUMENTS [25-03-2020(online)].pdf | 2020-03-25 |
| 34 | 8367-DELNP-2009-GPA-(02-05-2011).pdf | 2011-05-02 |
| 35 | 8367-DELNP-2009-RELEVANT DOCUMENTS [27-03-2020(online)].pdf | 2020-03-27 |
| 35 | 8367-DELNP-2009-Correspondence-Others-(23-08-2010).pdf | 2010-08-23 |
| 36 | 8367-DELNP-2009-RELEVANT DOCUMENTS [21-07-2021(online)].pdf | 2021-07-21 |
| 36 | 8367-DELNP-2009-Form-3-(23-08-2010).pdf | 2010-08-23 |
| 37 | 8367-DELNP-2009-Assignment (29-12-2009).pdf | 2009-12-29 |
| 37 | 8367-DELNP-2009-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 38 | 8367-DELNP-2009-Correspondence-Others (29-12-2009).pdf | 2009-12-29 |
| 38 | 8367-DELNP-2009-RELEVANT DOCUMENTS [03-10-2023(online)].pdf | 2023-10-03 |