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