1) Synthesis of lactate from lactic acid using solid acid catalyst, Shubhangi B. Umbarkar, Dhananjay S.Doke, Mohan K. Dongre (NCL no INV-2018-027)

2) Iodination of aromatics using solid acid catalysts, Shubhangi B. Umbarkar, Amarsinh Deshmukh, Atul Kulal, provisional patent filed (NCL no. INV-2015-124).

3) Modified magnesium oxide catalyst for hydrogenation of acetophenone and nitrobenzene at room temperature and atmospheric pressure, Shubhangi B. Umbarkar, Mohan K. Dongare, Reshma S. Kokane, patent filed (NCL no. INV-2015-066)

4) Oxidative dehydrogenation of lactate to pyruvate, Shubhangi B. Umbarkar, Mohan K. Dongare, Swati L. Pandhare, Sonali B. khomane, Dhananjay S. Doke, provisional patent filed (NCL no. INV-2015-002). Non noble metal based diesel oxidation catalyst, Shubhangi B. Umbarkar, Mohan K. Dongare, Pavan M. More, Ankush V. Biradar, provisional patent filed (NCL no. INV-2013-144).

5) Sol gel synthesizes WO3/SiO2 catalysts for nitration of aromatics, Shubhangi B. Umbarkar, Mohan K. Dongare, Ankush V. Biradar, Atul Kulal, Trupti V. Kotbagi, Ashvini Bhosale, Macchindra Chandgude. Provisional patent filed (Provisional filing number: 1558DEL2013-05-29, date: 22nd May 2013).

6) Synthesis of Functionalized carbon microspheres and their catalyst activity in C-O and C-N bond formation reactions, Ankush V. Biradar, Shubhangi B. Umbarkar, Mohan K. Dongare. Provisional patent filed.

7) Corrugated silica microspheres for metal free epoxidation of olefins and process thereof, Ankush V. Biradar, Shubhangi B. Umbarkar, Mohan K. Dongare, Prakash Chandra. Provisional patent filed (Provisional filing number : 1389-DEL-2013, date: 9th May 2013)

8) Metal oxide based catalyst for hydrogenation of olefinic and acetylenic bonds and process thereof, S. B. Umbarkar, M. K. Dongare, V. R. Acham provisional patent filed (1361DEL2012), WO2013110995 A2.

 9) Removal of organic dyes and organic pollutants by titanium peroxide gel, M. K. Dongare, S. B. Umbarkar, PCT/INT2010/000507, WO2011/013146 Published

10) Process for preparation of organometallic molybdenum acetylide dioxo complex, (η5-C5H5)MoO2(-C≡CPh) a catalysts for oxidation reactions using molybdenum oxide precursor, S. B. Umbarkar, M. K. Dongare, A. V. Biradar, V. R. Acham, provisional patent filed (2177DEL2010), PCT/IN2011/000627,  WO2012/035555 A1 Published.
11)  Improved Process for Catalytic Dehydration of Lactic Acid to Acrylic Acid, M. K. Dongare, S. B. Umbarkar, S. L. Lomate, PCT application filed (PCT/IB2012/052449), WO2012156921 A1 published.

12) High Selectivity Process For The Preparation Of Diphenyl Oxalate, S. B. Umbarkar, A. V. Biradar, M. K. Dongare, Indian Patent, 0785DEL2005,  Patent Number : 256642