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"Process For Purification Of 6 Nitro 2,2,4,4 Tetrafluorobenzodioxane"
Abstract: The present invention relates to a process for purification of 6-nitro-2,2,4,4-tetrafluorobenzodioxane obtained by recrystallization from hexane. It has been identified in the present invention that use of hexane as a solvent yields 6-nitro-2,2,4,4-tetrafluorobenzodioxane with purity upto 99.8 %. Hexane can be recovered and recycled.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
09 May 2011
Publication Number
22/2017
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2019-09-21
Renewal Date
Applicants
SRF LIMITED
BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
Inventors
1. DHINGRA, SURENDER
SRF LIMITED, BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
2. KUMAR, SATISH
SRF LIMITED, BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
3. SAXENA, RAHUL
SRF LIMITED, BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
4. ANAND, RAJEEP
SRF LIMITED, BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1345-del-2011-Form-1-(09-11-2011).pdf | 2011-11-09 |
| 1 | 1345-DEL-2011-IntimationOfGrant21-09-2019.pdf | 2019-09-21 |
| 2 | 1345-del-2011-Correspondence-Others-(09-11-2011).pdf | 2011-11-09 |
| 2 | 1345-DEL-2011-PatentCertificate21-09-2019.pdf | 2019-09-21 |
| 3 | 1345-del-2011-GPA-(07-12-2011).pdf | 2011-12-07 |
| 3 | 1345-del-2011-ABSTRACT [23-11-2018(online)].pdf | 2018-11-23 |
| 4 | 1345-del-2011-Correspondence Others-(07-12-2011).pdf | 2011-12-07 |
| 4 | 1345-DEL-2011-AMENDED DOCUMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 5 | 1345-del-2011-Form-5.pdf | 2012-01-11 |
| 5 | 1345-del-2011-CLAIMS [23-11-2018(online)].pdf | 2018-11-23 |
| 6 | 1345-del-2011-Form-3.pdf | 2012-01-11 |
| 6 | 1345-del-2011-CORRESPONDENCE [23-11-2018(online)].pdf | 2018-11-23 |
| 7 | 1345-del-2011-Form-2.pdf | 2012-01-11 |
| 7 | 1345-del-2011-FER_SER_REPLY [23-11-2018(online)].pdf | 2018-11-23 |
| 8 | 1345-del-2011-Form-1.pdf | 2012-01-11 |
| 8 | 1345-DEL-2011-FORM 13 [23-11-2018(online)].pdf | 2018-11-23 |
| 9 | 1345-del-2011-Description (Complete).pdf | 2012-01-11 |
| 9 | 1345-DEL-2011-FORM-26 [23-11-2018(online)].pdf | 2018-11-23 |
| 10 | 1345-del-2011-Correspondence-others.pdf | 2012-01-11 |
| 10 | 1345-DEL-2011-MARKED COPIES OF AMENDEMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 11 | 1345-del-2011-Claims.pdf | 2012-01-11 |
| 11 | 1345-del-2011-OTHERS [23-11-2018(online)].pdf | 2018-11-23 |
| 12 | 1345-del-2011-Abstract.pdf | 2012-01-11 |
| 12 | 1345-DEL-2011-RELEVANT DOCUMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 13 | 1345-DEL-2011-FER.pdf | 2018-05-25 |
| 13 | 1345-del-2011-Form-18-(18-10-2013).pdf | 2013-10-18 |
| 14 | 1345-del-2011-Correspondence-Others-(18-10-2013).pdf | 2013-10-18 |
| 15 | 1345-DEL-2011-FER.pdf | 2018-05-25 |
| 15 | 1345-del-2011-Form-18-(18-10-2013).pdf | 2013-10-18 |
| 16 | 1345-del-2011-Abstract.pdf | 2012-01-11 |
| 16 | 1345-DEL-2011-RELEVANT DOCUMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 17 | 1345-del-2011-OTHERS [23-11-2018(online)].pdf | 2018-11-23 |
| 17 | 1345-del-2011-Claims.pdf | 2012-01-11 |
| 18 | 1345-DEL-2011-MARKED COPIES OF AMENDEMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 18 | 1345-del-2011-Correspondence-others.pdf | 2012-01-11 |
| 19 | 1345-del-2011-Description (Complete).pdf | 2012-01-11 |
| 19 | 1345-DEL-2011-FORM-26 [23-11-2018(online)].pdf | 2018-11-23 |
| 20 | 1345-DEL-2011-FORM 13 [23-11-2018(online)].pdf | 2018-11-23 |
| 20 | 1345-del-2011-Form-1.pdf | 2012-01-11 |
| 21 | 1345-del-2011-FER_SER_REPLY [23-11-2018(online)].pdf | 2018-11-23 |
| 21 | 1345-del-2011-Form-2.pdf | 2012-01-11 |
| 22 | 1345-del-2011-CORRESPONDENCE [23-11-2018(online)].pdf | 2018-11-23 |
| 22 | 1345-del-2011-Form-3.pdf | 2012-01-11 |
| 23 | 1345-del-2011-CLAIMS [23-11-2018(online)].pdf | 2018-11-23 |
| 23 | 1345-del-2011-Form-5.pdf | 2012-01-11 |
| 24 | 1345-DEL-2011-AMENDED DOCUMENTS [23-11-2018(online)].pdf | 2018-11-23 |
| 24 | 1345-del-2011-Correspondence Others-(07-12-2011).pdf | 2011-12-07 |
| 25 | 1345-del-2011-GPA-(07-12-2011).pdf | 2011-12-07 |
| 25 | 1345-del-2011-ABSTRACT [23-11-2018(online)].pdf | 2018-11-23 |
| 26 | 1345-DEL-2011-PatentCertificate21-09-2019.pdf | 2019-09-21 |
| 26 | 1345-del-2011-Correspondence-Others-(09-11-2011).pdf | 2011-11-09 |
| 27 | 1345-DEL-2011-IntimationOfGrant21-09-2019.pdf | 2019-09-21 |
| 27 | 1345-del-2011-Form-1-(09-11-2011).pdf | 2011-11-09 |
Search Strategy
| 1 | 1345srch_23-05-2018.pdf |