The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Apr. 14, 2023
Indian Oil Corporation Limited, Maharashtra, IN;
Department of Biotechnology, New Delhi, IN;
Alok Satlewal, Faridabad, IN;
Ruchi Agrawal, Faridabad, IN;
Ravindra Kumar, Faridabad, IN;
Ravi Prakash Gupta, Faridabad, IN;
Sankara Sri Venkata Ramakumar, Faridabad, IN;
INDIAN OIL CORPORATION LIMITED, , IN;
DEPARTMENT OF BIOTECHNOLOGY, , IN;
Abstract
The present disclosure relates to a process for producing levulinic acid from the technical lignin. The technical lignin is rich in lignin and ash and do not have any other use and usually incinerated as a waste management strategy. During the incineration process, the cellulose also gets burnt and wasted. In the present disclosure, there is provided an economical and environmentally friendly process to produce levulinic acid from the technical lignin by using a synergistic combination of catalysts for high yields and high titer with acid recycling in a cost-effective manner.