Abstract: The present invention relates to an improved process for the preparation of Naphazoline hydrochloride (1). It further relates to the purification process to yield Naphazoline hydrochloride (1) with purity more than 99.0 %.
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| # | Name | Date |
|---|---|---|
| 1 | 201941003896-PROVISIONAL SPECIFICATION [31-01-2019(online)].pdf | 2019-01-31 |
| 2 | 201941003896-FORM 1 [31-01-2019(online)].pdf | 2019-01-31 |
| 3 | 201941003896-DRAWINGS [31-01-2019(online)].pdf | 2019-01-31 |
| 4 | Form1_After Filing_18-02-2019.pdf | 2019-02-18 |
| 5 | Correspondence by Applicant_Form1_18-02-2019.pdf | 2019-02-18 |
| 6 | 201941003896-FORM 3 [27-01-2020(online)].pdf | 2020-01-27 |
| 7 | 201941003896-ENDORSEMENT BY INVENTORS [27-01-2020(online)].pdf | 2020-01-27 |
| 8 | 201941003896-DRAWING [27-01-2020(online)].pdf | 2020-01-27 |
| 9 | 201941003896-COMPLETE SPECIFICATION [27-01-2020(online)].pdf | 2020-01-27 |
| 10 | 201941003896-Form5_After Filing_30-01-2020.pdf | 2020-01-30 |
| 11 | 201941003896-Form3_After Filing_30-01-2020.pdf | 2020-01-30 |
| 12 | 201941003896-Form2 Title Page_Complete_30-01-2020.pdf | 2020-01-30 |
| 13 | 201941003896-Drawing_After Filing_30-01-2020.pdf | 2020-01-30 |
| 14 | 201941003896-Description Complete_After Filing_30-01-2020.pdf | 2020-01-30 |
| 15 | 201941003896-Correspondence_Form2, Form3, Form5, Description Complete_30-01-2020.pdf | 2020-01-30 |
| 16 | 201941003896-Claims_After Filing_30-01-2020.pdf | 2020-01-30 |
| 17 | 201941003896-Abstract_After Filing_30-01-2020.pdf | 2020-01-30 |
| 18 | 201941003896-FORM 18 [07-12-2022(online)].pdf | 2022-12-07 |
| 19 | 201941003896-FER.pdf | 2023-02-15 |
| 20 | 201941003896-OTHERS [09-08-2023(online)].pdf | 2023-08-09 |
| 21 | 201941003896-FER_SER_REPLY [09-08-2023(online)].pdf | 2023-08-09 |
| 22 | 201941003896-CLAIMS [09-08-2023(online)].pdf | 2023-08-09 |
| 23 | 201941003896-ABSTRACT [09-08-2023(online)].pdf | 2023-08-09 |
| 24 | 201941003896-US(14)-HearingNotice-(HearingDate-30-11-2023).pdf | 2023-11-06 |
| 25 | 201941003896-Correspondence to notify the Controller [17-11-2023(online)].pdf | 2023-11-17 |
| 26 | 201941003896-Written submissions and relevant documents [13-12-2023(online)].pdf | 2023-12-13 |
| 27 | 201941003896-PatentCertificate15-12-2023.pdf | 2023-12-15 |
| 28 | 201941003896-IntimationOfGrant15-12-2023.pdf | 2023-12-15 |
| 1 | SearchHistory(3)E_14-02-2023.pdf |