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Abstract
The present invention relates to an improved process for the synthesis of highpurity gamma-butyrolactone by the liquid phase oxidation of tetrahydrofuranwith hydrogen peroxide as environmentally benign oxidant in the presence ofcatalytic amount of selenium (IV) oxide in the temperature range ambient to 50⁰C
Information
| Application ID | 248/DEL/2013 |
| Invention Field | CHEMICAL |
| Date of Application | 2013-01-30 |
| Publication Number | 34/2014 |
Applicants
| Name | Address | Country | Nationality |
|---|---|---|---|
| COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH | ANUSANDHAN BHAWAN, RAFI MARG, NEW DELHI - 110001, INDIA. | India | India |
Inventors
| Name | Address | Country | Nationality |
|---|---|---|---|
| PATNAM PADMA LATHA | INDIAN INSTITUTE OF PETROLEUM, MOHKAMPUR, DEHRADUN 248005, UTTRAKHAND, INDIA | India | India |
| KHATRI PRAVEEN KUMAR | INDIAN INSTITUTE OF PETROLEUM, MOHKAMPUR, DEHRADUN 248005, UTTRAKHAND, INDIA | India | India |
| JAIN SUMAN LATA | INDIAN INSTITUTE OF PETROLEUM, MOHKAMPUR, DEHRADUN 248005, UTTRAKHAND, INDIA | India | India |
| CHATTERJEE ALOK KUMAR | INDIAN INSTITUTE OF PETROLEUM, MOHKAMPUR, DEHRADUN 248005, UTTRAKHAND, INDIA | India | India |
| BIR SAIN | INDIAN INSTITUTE OF PETROLEUM, MOHKAMPUR, DEHRADUN 248005, UTTRAKHAND, INDIA | India | India |
Specification
Documents
| Name | Date |
| 248-del-2013-Form-5.pdf | 2013-08-20 |
| 248-del-2013-Form-2.pdf | 2013-08-20 |
| 248-del-2013-Form-3.pdf | 2013-08-20 |
| 248-del-2013-Form-1.pdf | 2013-08-20 |
| 248-del-2013-Correspondence-others.pdf | 2013-08-20 |
| 248-del-2013-Claims.pdf | 2013-08-20 |
| 248-del-2013-Abstract.pdf | 2013-08-20 |
| 248-del-2013-Description(Complete).pdf | 2013-08-20 |
| 248-del-2013-Form-18-(27-05-2015).pdf | 2015-05-27 |
| 248-del-2013-Correspondence Others-(27-05-2015).pdf | 2015-05-27 |
| 248-DEL-2013-FER.pdf | 2019-01-01 |
| 248-DEL-2013-FER_SER_REPLY [26-02-2019(online)].pdf | 2019-02-26 |
| 248-DEL-2013-CORRESPONDENCE [26-02-2019(online)].pdf | 2019-02-26 |
| 248-DEL-2013-CLAIMS [26-02-2019(online)].pdf | 2019-02-26 |
| 248-DEL-2013-PatentCertificate30-08-2019.pdf | 2019-08-30 |
Orders
| Applicant | Section | Controller | Decision Date | URL |