Patents
- Ibnusaud, I., Nair, R. R.; Philip, T; Thomas, S. A convenient method for large-scale isolation of
hibiscus acid. U. S. Patent no.6, 127, 553 (3 rd October 2000) CAN 133:271625.
- I.Ibnusaud, I.,Gopinath, C., Thomas, B. Chiral Derivatives of Hibiscus acid bearing lactone ring
moiety, process for preparing the same and a convenient method for the large scale isolation of
Hibiscus acid. U.S. Patent No. 6,703,515, (9 th March 2004)CAN 138:369115.
- Ibnusaud, I.; Thomas.G; Sasi, P.V. A Novel Chiral derivatives of Garcinia acid bearing lactone
ring moiety and process for preparing the same. U. S. Patent no.6, 489,492B2 (3 rd December, 2002) CAN 137:247883.
- Ibnusaud, I., Nair, R. Novel Acyclic chiral derivatives of hibiscus acid and the process for
preparing the same. U. S. Patent no.6, 489,493B2 (3 rd December, 2002) CAN 136:325781.
- Ibnusaud, I., Thomas P.T. Acyclic chiral compound from Garcinia acid and process for
preparing the same. U. S. Patent no.6, 706, and 899 (16 th March 2004) CAN 136:295022.
- Ibnusaud, I., Thomas T. P., Thomas, B. A convenient method for the large scale isolation of
garcinia acid. U. S. Patent no. 6, 147, 228 (14 th November 2000) CAN 133:335435.
- Ibnusaud, I., Nair, R. R.; Philip, T; Thomas, S. A convenient method for large-scale isolation of
hibiscus acid. Indian patent no: 189745 (23 rd January 2004).
- Ibnusaud, I., Thomas T. P. Thomas, B. A convenient method for large-scale isolation of garcinia
acid. Indian patent no. 190387 (27 th January 2004).
- Ibnusaud, I., Thomas P.T. Novel Acyclic Chiral compounds from Garcinia acid and process for
preparing the same. Indian patent no. 192500
- Ibnusaud, I., Nair, R. R. Novel acyclic chiral derivatives of hibiscus acid and the process for
preparing the same. Indian patent no. 192949
- Ibnusaud, I.,Gopinath, C.; Thomas, B. Novel Chiral Derivatives of Hibiscus acid bearing lactone
ring moiety and process for preparing the same. Indian patent no: 192481.
- Ibnusaud, I.; Thomas, G.; Sasi, P.V. Novel Chiral derivatives of Garciniaacid and a process for
preparing the same. Indian patent no. 192471.
- Ibnusaud, I., Thomas P.T. Novel Acyclic Chiral compound ofGarcinia acid bearing lactone ring
moiety and process for preparing the same. Indian patent no. 1427/Del/03,2003
- Ibnusaud, I., Nair, R. R. A process of preparing acyclic chiral triesters;
Indian patent no. 1452/Del/04,2004
- Ibnusaud, I.,Gopinath, C.;Thomas, B. A Process of Preparing Novel Chiral compound of
Hibiscus acid bearing lactone ring moiety,Indian patent no. 1425/Del/03, 2003
- Ibnusaud, I.;Thomas,G.; Sasi, P.V. A process of preparing novel chiral derivatives of Garcinia
acid bearing Lactone Moiety Indian patent no. 1426/Del/03, 2003
- Ibrahim Ibnusaud and Sarath Muralidharan Pillai . Enatiopure total synthesis of
indolizinoindole alkaloid (+) harmicine and (-) harmicine from (2S,3R)-Tetrahydro-3-hydroxy-
5-oxo -2,3-furandicarboxylic acid (Hibiscus acid ) and (2S,3S)-Tetrahydro-3-hydroxy-5-oxo –
2,3-furandicarboxylic acid(Garcinia acid ) Indian Patent No 3682/CHE/2016 .
- Avinash R Pai, N. Kalarikkal and Sabu Thomas, patent filed on “Electromagnetic Interference Shielding Composition, Article and Methods thereof” ( Indian Patent Application No : 201911046464, PCT Application No: PCT/IB2020/050030 ) PATENT GRANTED
- R. Sruthi and S. Anas, Indian Patent Application filed on “Development of novel reusable polymer supported transition metal catalysts for coupling reactions” PATENT GRANTED