Search form

Patents

US9200118: Quaternised polybenzimidazole

The invention discloses polymeric forms of ionic liquids, PFILs, based on polybenzimidazole (PBI) and a process for the synthesis of such polymeric forms of ionic liquids. The invention also relates to use of PBI based polymeric forms of ionic liquids and their membranes for gas sorption, permeation and separation.

Filing Date: 13-03-2012

Issue Date: 15-12-2001

Applicant: CSIR-National Chemical Laboratory (CSIR-NCL), Pune

Patent No: US9200118

Application No: 13/822375

Inventor(s): Ulhas Kanhaiyalal Kharul; Santosh Chandrakant Kumbharkar; Rupesh Sudhakar Bhavsar; Rahul Hanumant Shevate

IPC Classification: C08G73/18

Country: United States of America

Related Patents

US9988337: Single step process for the preparation of butyl acetate
US9676707: A process for the synthesis of [6,6]phenyl(c61)butyric acid pentyl ester (pc61bp)
US8895760: Process for the preparation of l-lactide of high chemical yield and optical purity
US8609858: Spiro derivatives of parthenin as novel anticancer agents
US8268600: Strain and a novel process for ethanol production from lignocellulosic biomass at high temperature