Abstract: The present invention relates to a method for covalent coupling of polysaccharides to proteins for the preparation of Pneumococcal Conjugate Vaccines (monovalent) using low quantities/ratios of 1-Cyano 4-Dimethyl Amino Pyridinium tetrafluoroborate (CDAP) thereby preventing the destruction of immunogenic epitopes and prevention of self-aggregation of pneumococcal polysaccharides during CDAP activation. The method results in stable monovalent conjugates and also prevents the formation of self- aggregated conjugate molecules during conjugation reaction.
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| # | Name | Date |
|---|---|---|
| 1 | 202343043670-STATEMENT OF UNDERTAKING (FORM 3) [29-06-2023(online)].pdf | 2023-06-29 |
| 2 | 202343043670-POWER OF AUTHORITY [29-06-2023(online)].pdf | 2023-06-29 |
| 3 | 202343043670-FORM 1 [29-06-2023(online)].pdf | 2023-06-29 |
| 4 | 202343043670-DRAWINGS [29-06-2023(online)].pdf | 2023-06-29 |
| 5 | 202343043670-DECLARATION OF INVENTORSHIP (FORM 5) [29-06-2023(online)].pdf | 2023-06-29 |
| 6 | 202343043670-COMPLETE SPECIFICATION [29-06-2023(online)].pdf | 2023-06-29 |
| 7 | 202343043670-Proof of Right [28-11-2023(online)].pdf | 2023-11-28 |
| 8 | 202343043670-FORM 3 [04-01-2024(online)].pdf | 2024-01-04 |
| 9 | 202343043670-FORM 18 [16-01-2025(online)].pdf | 2025-01-16 |