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An Improved Process For The Preparation Of Indigo Carmine
Abstract: The present invention relates to an improved process for preparation of Indigo carmine of Formula (I) in high purity more than 99.5%.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
01 June 2018
Publication Number
36/2018
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2022-03-01
Renewal Date
Applicants
DISHMAN PHARMACEUTICALS AND CHEMICALS LIMITED
Survey No. 47, Paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
Inventors
1. VYAS, Janmejay, Rajnikant
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
2. DHOTRE, Himani
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
3. SARMA, Narasimha
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
4. PATEL, Dilip, N
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
5. SANGANI, Piyush
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
6. SHAH, Arpan, Kiritbhai
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
7. PATEL, Babulal, R
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
8. WADIA, Devang
Dishman Pharmaceuticals and Chemicals Limited,Survey No 47, paiki Sub Plot No. 1 Village, Lodariyal Taluka – Sanand, Gujarat,
Ahmedabad 382220
Specification
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201827020668-RELEVANT DOCUMENTS [29-09-2023(online)].pdf | 2023-09-29 |
| 1 | 201827020668-STATEMENT OF UNDERTAKING (FORM 3) [01-06-2018(online)].pdf | 2018-06-01 |
| 2 | 201827020668-FORM-26 [12-08-2023(online)]-1.pdf | 2023-08-12 |
| 2 | 201827020668-PRIORITY DOCUMENTS [01-06-2018(online)].pdf | 2018-06-01 |
| 3 | 201827020668-FORM-26 [12-08-2023(online)].pdf | 2023-08-12 |
| 3 | 201827020668-FORM 1 [01-06-2018(online)].pdf | 2018-06-01 |
| 4 | 201827020668-IntimationOfGrant01-03-2022.pdf | 2022-03-01 |
| 4 | 201827020668-DRAWINGS [01-06-2018(online)].jpg | 2018-06-01 |
| 5 | 201827020668-PatentCertificate01-03-2022.pdf | 2022-03-01 |
| 5 | 201827020668-DECLARATION OF INVENTORSHIP (FORM 5) [01-06-2018(online)].pdf | 2018-06-01 |
| 6 | 201827020668-US(14)-HearingNotice-(HearingDate-17-05-2021).pdf | 2021-10-18 |
| 6 | 201827020668-COMPLETE SPECIFICATION [01-06-2018(online)].pdf | 2018-06-01 |
| 7 | 201827020668-FORM-26 [02-07-2018(online)].pdf | 2018-07-02 |
| 7 | 201827020668-FORM 3 [01-06-2021(online)].pdf | 2021-06-01 |
| 8 | Abstract1.jpg | 2018-08-11 |
| 8 | 201827020668-8(i)-Substitution-Change Of Applicant - Form 6 [31-05-2021(online)].pdf | 2021-05-31 |
| 9 | 201827020668-ASSIGNMENT DOCUMENTS [31-05-2021(online)].pdf | 2021-05-31 |
| 9 | 201827020668.pdf | 2018-08-11 |
| 10 | 201827020668-FORM 13 [31-05-2021(online)]-1.pdf | 2021-05-31 |
| 10 | 201827020668-FORM 3 [28-09-2018(online)].pdf | 2018-09-28 |
| 11 | 201827020668-FORM 13 [31-05-2021(online)].pdf | 2021-05-31 |
| 11 | 201827020668-Proof of Right (MANDATORY) [01-12-2018(online)].pdf | 2018-12-01 |
| 12 | 201827020668-PA [31-05-2021(online)].pdf | 2021-05-31 |
| 12 | 201827020669-ORIGINAL UR 6(1A) FORM 26-100718.pdf | 2019-01-11 |
| 13 | 201827020668-ORIGINAL UR 6(1A) ASSIGNMENT-051218.pdf | 2019-04-30 |
| 13 | 201827020668-RELEVANT DOCUMENTS [31-05-2021(online)].pdf | 2021-05-31 |
| 14 | 201827020668-FORM 3 [08-05-2019(online)].pdf | 2019-05-08 |
| 14 | 201827020668-Written submissions and relevant documents [31-05-2021(online)].pdf | 2021-05-31 |
| 15 | 201827020668-FORM 18 [04-11-2019(online)].pdf | 2019-11-04 |
| 15 | 201827020668-FORM 3 [23-04-2021(online)].pdf | 2021-04-23 |
| 16 | 201827020668-FORM 3 [07-01-2020(online)].pdf | 2020-01-07 |
| 16 | 201827020668-FORM 3 [23-10-2020(online)].pdf | 2020-10-23 |
| 17 | 201827020668-FORM 3 [25-09-2020(online)].pdf | 2020-09-25 |
| 17 | 201827020668-FER.pdf | 2020-02-25 |
| 18 | 201827020668-ABSTRACT [24-08-2020(online)].pdf | 2020-08-24 |
| 18 | 201827020668-FORM 3 [11-03-2020(online)].pdf | 2020-03-11 |
| 19 | 201827020668-CLAIMS [24-08-2020(online)].pdf | 2020-08-24 |
| 19 | 201827020668-OTHERS [24-08-2020(online)].pdf | 2020-08-24 |
| 20 | 201827020668-COMPLETE SPECIFICATION [24-08-2020(online)].pdf | 2020-08-24 |
| 20 | 201827020668-FER_SER_REPLY [24-08-2020(online)].pdf | 2020-08-24 |
| 21 | 201827020668-COMPLETE SPECIFICATION [24-08-2020(online)].pdf | 2020-08-24 |
| 21 | 201827020668-FER_SER_REPLY [24-08-2020(online)].pdf | 2020-08-24 |
| 22 | 201827020668-CLAIMS [24-08-2020(online)].pdf | 2020-08-24 |
| 22 | 201827020668-OTHERS [24-08-2020(online)].pdf | 2020-08-24 |
| 23 | 201827020668-ABSTRACT [24-08-2020(online)].pdf | 2020-08-24 |
| 23 | 201827020668-FORM 3 [11-03-2020(online)].pdf | 2020-03-11 |
| 24 | 201827020668-FORM 3 [25-09-2020(online)].pdf | 2020-09-25 |
| 24 | 201827020668-FER.pdf | 2020-02-25 |
| 25 | 201827020668-FORM 3 [07-01-2020(online)].pdf | 2020-01-07 |
| 25 | 201827020668-FORM 3 [23-10-2020(online)].pdf | 2020-10-23 |
| 26 | 201827020668-FORM 18 [04-11-2019(online)].pdf | 2019-11-04 |
| 26 | 201827020668-FORM 3 [23-04-2021(online)].pdf | 2021-04-23 |
| 27 | 201827020668-FORM 3 [08-05-2019(online)].pdf | 2019-05-08 |
| 27 | 201827020668-Written submissions and relevant documents [31-05-2021(online)].pdf | 2021-05-31 |
| 28 | 201827020668-ORIGINAL UR 6(1A) ASSIGNMENT-051218.pdf | 2019-04-30 |
| 28 | 201827020668-RELEVANT DOCUMENTS [31-05-2021(online)].pdf | 2021-05-31 |
| 29 | 201827020668-PA [31-05-2021(online)].pdf | 2021-05-31 |
| 29 | 201827020669-ORIGINAL UR 6(1A) FORM 26-100718.pdf | 2019-01-11 |
| 30 | 201827020668-FORM 13 [31-05-2021(online)].pdf | 2021-05-31 |
| 30 | 201827020668-Proof of Right (MANDATORY) [01-12-2018(online)].pdf | 2018-12-01 |
| 31 | 201827020668-FORM 13 [31-05-2021(online)]-1.pdf | 2021-05-31 |
| 31 | 201827020668-FORM 3 [28-09-2018(online)].pdf | 2018-09-28 |
| 32 | 201827020668-ASSIGNMENT DOCUMENTS [31-05-2021(online)].pdf | 2021-05-31 |
| 32 | 201827020668.pdf | 2018-08-11 |
| 33 | 201827020668-8(i)-Substitution-Change Of Applicant - Form 6 [31-05-2021(online)].pdf | 2021-05-31 |
| 33 | Abstract1.jpg | 2018-08-11 |
| 34 | 201827020668-FORM 3 [01-06-2021(online)].pdf | 2021-06-01 |
| 34 | 201827020668-FORM-26 [02-07-2018(online)].pdf | 2018-07-02 |
| 35 | 201827020668-COMPLETE SPECIFICATION [01-06-2018(online)].pdf | 2018-06-01 |
| 35 | 201827020668-US(14)-HearingNotice-(HearingDate-17-05-2021).pdf | 2021-10-18 |
| 36 | 201827020668-DECLARATION OF INVENTORSHIP (FORM 5) [01-06-2018(online)].pdf | 2018-06-01 |
| 36 | 201827020668-PatentCertificate01-03-2022.pdf | 2022-03-01 |
| 37 | 201827020668-IntimationOfGrant01-03-2022.pdf | 2022-03-01 |
| 37 | 201827020668-DRAWINGS [01-06-2018(online)].jpg | 2018-06-01 |
| 38 | 201827020668-FORM-26 [12-08-2023(online)].pdf | 2023-08-12 |
| 38 | 201827020668-FORM 1 [01-06-2018(online)].pdf | 2018-06-01 |
| 39 | 201827020668-PRIORITY DOCUMENTS [01-06-2018(online)].pdf | 2018-06-01 |
| 39 | 201827020668-FORM-26 [12-08-2023(online)]-1.pdf | 2023-08-12 |
| 40 | 201827020668-STATEMENT OF UNDERTAKING (FORM 3) [01-06-2018(online)].pdf | 2018-06-01 |
| 40 | 201827020668-RELEVANT DOCUMENTS [29-09-2023(online)].pdf | 2023-09-29 |
Search Strategy
| 1 | availabledocuments201827020668_13-02-2020.pdf |
| 1 | searchstrategy201827020668_13-02-2020.pdf |
| 2 | availabledocuments201827020668_13-02-2020.pdf |
| 2 | searchstrategy201827020668_13-02-2020.pdf |