MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641123219 A) filed by Indian Institute Of Technology Hyderabad on October 14, 2026, for A Process For Aminolysis Of Bio-Based Polyester Into Amide-Functionalized Products.
Inventors include Kishore Natte; Sebastian Wohlrab; Venkata Narayana Kalevaru; Suravi Dey; and Gopika N Nair.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: ABSTRACT A PROCESS FOR AMINOLYSIS OF BIO-BASED POLYESTER INTO AMIDE-FUNCTIONALIZED PRODUCTS [0070] The present invention relates to a process for aminolysis of bio-based polyester into amide-functionalized products. The process enables cleavage of ester linkages with concomitant formation of amide functionalities, providing furan-containing diamides and monoamide-containing products. The process provides good to excellent product yields, , and enables conversion of PEF and PBF into structurally diverse, value-added chemical products rather than merely recovering the corresponding monomers. Thus, the process provides an alternative open-loop chemical upcycling pathway for the valorization of bio-based furan-containing polyester materials. Fig. 1
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