A process for reduction of chromium (vi) to chromium (iii) by Nostoc calcicola immobilized on silica gel Submitted by Jayshree on Thu, 05/29/2025 - 12:19 Patent Number582/DEL/2008Patent StatusPublishedCampusPilani CampusDepartmentBiological SciencesInventorsSK Verma , Dr. Sanjay Kumar Verma/ S Ramachandaran/Pankaj Kumar JainGranted OnWed, 06/04/2025 - 12:00