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"Process For Preparation Of Trihalo Methyl Benzoyl Chloride"
Abstract: Present invention relates to a process for preparation of trihalomethyl benzoyl chloride of Formula I. The process comprises of reacting chlorine with trihalomethyl benzaldehyde of Formula II in presence of a free radical generator preferably Azobis(isobutyronitrile)(AIBN) and UV light at a temperature in the range of 40 to 90 degree C. The process of the present invention requires low reaction temperatures thus enhancing safety and saving consumption of energy. Also, the products obtained contains less amount of impurities and are easy to purify. Formula I Formula II wherein X is selected from fluorine and chlorine, and each X is independently Cl or F, provided that all three X are not chlorine.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
02 December 2011
Publication Number
23/2013
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2019-03-19
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. PERRISWAMY PURUSHOTAMAN C.
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, RAJDEEP
SRF LIMITED, BLOCK-C, SECTOR 45, UNICREST BUILDING, GURGAON, HARYANA (INDIA);
Specification
NA
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 3476-DEL-2011-FORM 4 [09-12-2024(online)].pdf | 2024-12-09 |
| 1 | 3476-del-2011-GPA-(12-06-2012).pdf | 2012-06-12 |
| 2 | 3476-del-2011-Form-5.pdf | 2012-06-12 |
| 2 | 3476-DEL-2011-RELEVANT DOCUMENTS [27-09-2023(online)].pdf | 2023-09-27 |
| 3 | 3476-DEL-2011-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 3 | 3476-del-2011-Form-3.pdf | 2012-06-12 |
| 4 | 3476-DEL-2011-RELEVANT DOCUMENTS [27-09-2021(online)].pdf | 2021-09-27 |
| 4 | 3476-del-2011-Form-2.pdf | 2012-06-12 |
| 5 | 3476-DEL-2011-RELEVANT DOCUMENTS [25-03-2020(online)].pdf | 2020-03-25 |
| 5 | 3476-del-2011-Form-1.pdf | 2012-06-12 |
| 6 | 3476-DEL-2011-IntimationOfGrant19-03-2019.pdf | 2019-03-19 |
| 6 | 3476-del-2011-Form-1 (12-06-2012).pdf | 2012-06-12 |
| 7 | 3476-DEL-2011-PatentCertificate19-03-2019.pdf | 2019-03-19 |
| 7 | 3476-del-2011-Description (Complete).pdf | 2012-06-12 |
| 8 | 3476-DEL-2011-Written submissions and relevant documents (MANDATORY) [19-03-2019(online)].pdf | 2019-03-19 |
| 8 | 3476-del-2011-Corrspondence others-(12-06-2012).pdf | 2012-06-12 |
| 9 | 3476-del-2011-Correspondence-others.pdf | 2012-06-12 |
| 9 | 3476-DEL-2011-FORM-26 [02-08-2018(online)].pdf | 2018-08-02 |
| 10 | 3476-DEL-2011-AMENDED DOCUMENTS [31-07-2018(online)].pdf | 2018-07-31 |
| 10 | 3476-del-2011-Claims.pdf | 2012-06-12 |
| 11 | 3476-del-2011-Abstract.pdf | 2012-06-12 |
| 11 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [31-07-2018(online)].pdf | 2018-07-31 |
| 12 | 3476-del-2011-Form-18-(05-07-2013).pdf | 2013-07-05 |
| 12 | 3476-DEL-2011-FORM-26 [31-07-2018(online)].pdf | 2018-07-31 |
| 13 | 3476-del-2011-Correspondence-Others-(05-07-2013).pdf | 2013-07-05 |
| 13 | 3476-DEL-2011-MARKED COPIES OF AMENDEMENTS [31-07-2018(online)].pdf | 2018-07-31 |
| 14 | 3476-DEL-2011-Correspondence-040418.pdf | 2018-04-13 |
| 14 | 3476-DEL-2011-FER.pdf | 2017-09-14 |
| 15 | 3476-DEL-2011-OTHERS [09-03-2018(online)].pdf | 2018-03-09 |
| 15 | 3476-DEL-2011-OTHERS-040418-.pdf | 2018-04-13 |
| 16 | 3476-DEL-2011-MARKED COPIES OF AMENDEMENTS [09-03-2018(online)].pdf | 2018-03-09 |
| 16 | 3476-DEL-2011-OTHERS-040418.pdf | 2018-04-13 |
| 17 | 3476-DEL-2011-FORM 13 [09-03-2018(online)].pdf | 2018-03-09 |
| 17 | 3476-DEL-2011-AMENDED DOCUMENTS [09-03-2018(online)].pdf | 2018-03-09 |
| 18 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [09-03-2018(online)].pdf | 2018-03-09 |
| 18 | 3476-DEL-2011-FER_SER_REPLY [09-03-2018(online)].pdf | 2018-03-09 |
| 19 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [09-03-2018(online)]_170.pdf | 2018-03-09 |
| 19 | 3476-DEL-2011-COMPLETE SPECIFICATION [09-03-2018(online)].pdf | 2018-03-09 |
| 20 | 3476-DEL-2011-CLAIMS [09-03-2018(online)].pdf | 2018-03-09 |
| 21 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [09-03-2018(online)]_170.pdf | 2018-03-09 |
| 21 | 3476-DEL-2011-COMPLETE SPECIFICATION [09-03-2018(online)].pdf | 2018-03-09 |
| 22 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [09-03-2018(online)].pdf | 2018-03-09 |
| 22 | 3476-DEL-2011-FER_SER_REPLY [09-03-2018(online)].pdf | 2018-03-09 |
| 23 | 3476-DEL-2011-AMENDED DOCUMENTS [09-03-2018(online)].pdf | 2018-03-09 |
| 23 | 3476-DEL-2011-FORM 13 [09-03-2018(online)].pdf | 2018-03-09 |
| 24 | 3476-DEL-2011-OTHERS-040418.pdf | 2018-04-13 |
| 24 | 3476-DEL-2011-MARKED COPIES OF AMENDEMENTS [09-03-2018(online)].pdf | 2018-03-09 |
| 25 | 3476-DEL-2011-OTHERS-040418-.pdf | 2018-04-13 |
| 25 | 3476-DEL-2011-OTHERS [09-03-2018(online)].pdf | 2018-03-09 |
| 26 | 3476-DEL-2011-Correspondence-040418.pdf | 2018-04-13 |
| 26 | 3476-DEL-2011-FER.pdf | 2017-09-14 |
| 27 | 3476-del-2011-Correspondence-Others-(05-07-2013).pdf | 2013-07-05 |
| 27 | 3476-DEL-2011-MARKED COPIES OF AMENDEMENTS [31-07-2018(online)].pdf | 2018-07-31 |
| 28 | 3476-del-2011-Form-18-(05-07-2013).pdf | 2013-07-05 |
| 28 | 3476-DEL-2011-FORM-26 [31-07-2018(online)].pdf | 2018-07-31 |
| 29 | 3476-del-2011-Abstract.pdf | 2012-06-12 |
| 29 | 3476-DEL-2011-Changing Name-Nationality-Address For Service [31-07-2018(online)].pdf | 2018-07-31 |
| 30 | 3476-DEL-2011-AMENDED DOCUMENTS [31-07-2018(online)].pdf | 2018-07-31 |
| 30 | 3476-del-2011-Claims.pdf | 2012-06-12 |
| 31 | 3476-del-2011-Correspondence-others.pdf | 2012-06-12 |
| 31 | 3476-DEL-2011-FORM-26 [02-08-2018(online)].pdf | 2018-08-02 |
| 32 | 3476-del-2011-Corrspondence others-(12-06-2012).pdf | 2012-06-12 |
| 32 | 3476-DEL-2011-Written submissions and relevant documents (MANDATORY) [19-03-2019(online)].pdf | 2019-03-19 |
| 33 | 3476-del-2011-Description (Complete).pdf | 2012-06-12 |
| 33 | 3476-DEL-2011-PatentCertificate19-03-2019.pdf | 2019-03-19 |
| 34 | 3476-del-2011-Form-1 (12-06-2012).pdf | 2012-06-12 |
| 34 | 3476-DEL-2011-IntimationOfGrant19-03-2019.pdf | 2019-03-19 |
| 35 | 3476-del-2011-Form-1.pdf | 2012-06-12 |
| 35 | 3476-DEL-2011-RELEVANT DOCUMENTS [25-03-2020(online)].pdf | 2020-03-25 |
| 36 | 3476-del-2011-Form-2.pdf | 2012-06-12 |
| 36 | 3476-DEL-2011-RELEVANT DOCUMENTS [27-09-2021(online)].pdf | 2021-09-27 |
| 37 | 3476-DEL-2011-RELEVANT DOCUMENTS [26-09-2022(online)].pdf | 2022-09-26 |
| 37 | 3476-del-2011-Form-3.pdf | 2012-06-12 |
| 38 | 3476-DEL-2011-RELEVANT DOCUMENTS [27-09-2023(online)].pdf | 2023-09-27 |
| 38 | 3476-del-2011-Form-5.pdf | 2012-06-12 |
| 39 | 3476-del-2011-GPA-(12-06-2012).pdf | 2012-06-12 |
| 39 | 3476-DEL-2011-FORM 4 [09-12-2024(online)].pdf | 2024-12-09 |
Search Strategy
| 1 | 3476search_14-09-2017.pdf |