The present invention relates to a process for the preparation and purification of iodinated contrast agents and more particularly relates to a process for the preparation with convenient and environmentally benign and purification of 5-[N-(2,3-dihydroxypropyl)acetamido]-N,N"-bis(2,3-dihydroxy propyl)-2,4,6-triiodoisophtalamide, Iohexol (1), using simple silica gel or protection as acetal or ester by completely avoiding so called resin purifications to attain a high chemical purity.
Application ID | 201641012424 |
Invention Field | CHEMICAL |
Date of Application | 2016-04-08 |
Publication Number | 43/2017 |
Name | Address | Country | Nationality |
---|---|---|---|
Saraca Laboratories Limited | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District),Telangana, Pin – 502 319 | India | India |
Name | Address | Country | Nationality |
---|---|---|---|
Kesamreddy Ranga Reddy | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 | India | India |
Emani Vijay Bhaskar Reddy | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 | India | India |
Komsani Srinivasa Reddy | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 | India | India |
Akkinapalli Gangadhar | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 | India | India |
Sunil V. Lingareddy | Sy. No: 10, Gaddapotharam (Village), Jinnaram (Mandal), Medak (District), Telangana, Pin – 502 319 | India | India |
Name | Date |
Form 5 [08-04-2016(online)].pdf | 2016-04-08 |
Form 3 [08-04-2016(online)].pdf | 2016-04-08 |
Correspondence by agent_Proof Of Right_01-11-2016.pdf | 2016-11-01 |
Description(Provisional) [08-04-2016(online)].pdf | 2016-04-08 |
Other Patent Document [25-10-2016(online)].pdf | 2016-10-25 |
Description(Complete) [16-02-2017(online)].pdf_231.pdf | 2017-02-16 |
Form 26 [25-10-2016(online)].pdf | 2016-10-25 |
Other Patent Document [25-10-2016(online)].pdf_88.pdf | 2016-10-25 |
Description(Complete) [16-02-2017(online)].pdf | 2017-02-16 |
Applicant | Section | Controller | Decision Date | URL |