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Amifampridine Dihydrochloride
Abstract: ABSTRACT The present invention relates to novel salt of 3,4-diaminopyridine as 3,4-diaminopyridine dihydrochloride (or Amifampridine dihydrochloride), useful in the preparation of pharmaceutical composition thereof. The present application also relates toan improved process for the preparation of substantially pure Amifampridine dihydrochloride (I) having purity of greater than 99.5% (by HPLC).
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
02 April 2016
Publication Number
40/2017
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
ipm_unit2@vbshilpa.com
Parent Application
Patent Number
Legal Status
Grant Date
2021-03-18
Renewal Date
Applicants
SHILPA MEDICARE LIMITED
SHILPA MEDICARE LIMITED 2nd Floor, 10/80,
RajendraGunj, RAICHUR, KARNATAKA, India
Inventors
1. RAFIUDDIN
SHILPA MEDICARE LIMITED 2nd Floor, 10/80,
RajendraGunj, RAICHUR, KARNATAKA, India
2. CHATURVEDI AKSHAY KANT
SHILPA MEDICARE LIMITED 2nd Floor, 10/80,
RajendraGunj, RAICHUR, KARNATAKA, India
Specification
SOFT COPY ATTACHED IN PDF
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201641011735-FER.pdf | 2021-10-17 |
| 1 | Form 5 [02-04-2016(online)].pdf | 2016-04-02 |
| 2 | 201641011735-SER.pdf | 2021-10-17 |
| 2 | Form 3 [02-04-2016(online)].pdf | 2016-04-02 |
| 3 | Drawing [02-04-2016(online)].pdf | 2016-04-02 |
| 3 | 201641011735-US(14)-HearingNotice-(HearingDate-10-03-2021).pdf | 2021-10-17 |
| 4 | Description(Complete) [02-04-2016(online)].pdf | 2016-04-02 |
| 4 | 201641011735-IntimationOfGrant18-03-2021.pdf | 2021-03-18 |
| 5 | 201641011735-PatentCertificate18-03-2021.pdf | 2021-03-18 |
| 5 | 201641011735-Correspondence-Form 1,3,5-150416.pdf | 2016-07-08 |
| 6 | REQUEST FOR CERTIFIED COPY [03-04-2017(online)].pdf | 2017-04-03 |
| 6 | 201641011735-Written submissions and relevant documents [16-03-2021(online)].pdf | 2021-03-16 |
| 7 | 201641011735-FORM 18 [17-02-2020(online)].pdf | 2020-02-17 |
| 7 | 201641011735-Correspondence to notify the Controller [08-03-2021(online)].pdf | 2021-03-08 |
| 8 | 201641011735-FORM 3 [04-06-2020(online)].pdf | 2020-06-04 |
| 8 | 201641011735-Correspondence to notify the Controller [16-02-2021(online)].pdf | 2021-02-16 |
| 9 | 201641011735-FER_SER_REPLY [22-01-2021(online)].pdf | 2021-01-22 |
| 9 | 201641011735-OTHERS [02-01-2021(online)].pdf | 2021-01-02 |
| 10 | 201641011735-ABSTRACT [02-01-2021(online)].pdf | 2021-01-02 |
| 10 | 201641011735-FER_SER_REPLY [02-01-2021(online)].pdf | 2021-01-02 |
| 11 | 201641011735-CLAIMS [02-01-2021(online)].pdf | 2021-01-02 |
| 12 | 201641011735-ABSTRACT [02-01-2021(online)].pdf | 2021-01-02 |
| 12 | 201641011735-FER_SER_REPLY [02-01-2021(online)].pdf | 2021-01-02 |
| 13 | 201641011735-FER_SER_REPLY [22-01-2021(online)].pdf | 2021-01-22 |
| 13 | 201641011735-OTHERS [02-01-2021(online)].pdf | 2021-01-02 |
| 14 | 201641011735-Correspondence to notify the Controller [16-02-2021(online)].pdf | 2021-02-16 |
| 14 | 201641011735-FORM 3 [04-06-2020(online)].pdf | 2020-06-04 |
| 15 | 201641011735-Correspondence to notify the Controller [08-03-2021(online)].pdf | 2021-03-08 |
| 15 | 201641011735-FORM 18 [17-02-2020(online)].pdf | 2020-02-17 |
| 16 | 201641011735-Written submissions and relevant documents [16-03-2021(online)].pdf | 2021-03-16 |
| 16 | REQUEST FOR CERTIFIED COPY [03-04-2017(online)].pdf | 2017-04-03 |
| 17 | 201641011735-Correspondence-Form 1,3,5-150416.pdf | 2016-07-08 |
| 17 | 201641011735-PatentCertificate18-03-2021.pdf | 2021-03-18 |
| 18 | 201641011735-IntimationOfGrant18-03-2021.pdf | 2021-03-18 |
| 18 | Description(Complete) [02-04-2016(online)].pdf | 2016-04-02 |
| 19 | Drawing [02-04-2016(online)].pdf | 2016-04-02 |
| 19 | 201641011735-US(14)-HearingNotice-(HearingDate-10-03-2021).pdf | 2021-10-17 |
| 20 | Form 3 [02-04-2016(online)].pdf | 2016-04-02 |
| 20 | 201641011735-SER.pdf | 2021-10-17 |
| 21 | Form 5 [02-04-2016(online)].pdf | 2016-04-02 |
| 21 | 201641011735-FER.pdf | 2021-10-17 |
Search Strategy
| 1 | 201641011735searchE_17-08-2020.pdf |