Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11110449 | Process for recovery and regeneration of deactivated catalysts used in dialkyl carbonate synthesis | Vivek Vinayak Ranade, Vilas Hari Rane, Anil Kisan Kinage, Savita Kiran Shingote, Lalita Sanjib Roy +1 more | 2021-09-07 |
| 10703714 | Process for the synthesis of aromatic carbamates | Nayana Tushar Nivangune, Vilas Hari Rane | 2020-07-07 |
| 10597357 | Synthesis of methyl carbamate and dimethyl carbonate (DMC) in presence of stripping with inert gas or superheated vapours and a reactor for the same | Vivek Vinayak Ranade, Vilas Hari Rane, Anil Kisan Kinage, Savita Kiran Shingote, Lalita Sanjib Roy | 2020-03-24 |
| 10487048 | Configuration and its use in process for synthesis of alkyl carbamates from alkyl alcohol and urea in a tubular reactor | Vivek Vinayak Ranade, Vilas Hari Rane, Anil Kisan Kinage, Dhananjay Ravindra Mote, Savita Kiran Shingote +1 more | 2019-11-26 |
| 10336681 | Process for the synthesis of dialkyl carbonates | Vivek Vinayak Ranade, Vilas Hari Rane, Anil Kisan Kinage, Savita Kiran Shingote, Lalita Sanjib Roy | 2019-07-02 |
| 9920000 | Synthesis of methyl carbamate and dimethyl carbonate (DMC) in presence of stripping with inert gas or superheated vapours and a reactor for the same | Vivek Vinayak Ranade, Vilas Hari Rane, Anil Kisan Kinage, Savita Kiran Shingote, Lalita Sanjib Roy | 2018-03-20 |
| 9550710 | Process for depolymerization of lignin | Paresh Laxmikant Dhepe, Babasaheb Mansub Matsagar, Sandip Kumar Singh | 2017-01-24 |
| 7288672 | Process for preparation of esters of hydroxy tiglic Aldehydes | Raghunath Vitthal Chaudhari, Rashmi Chansarkar, Kausik Mukhopadhyay | 2007-10-30 |
| 7022871 | Process for the synthesis of polycarbamates | Raghunath Vitthal Chaudhari, Sunil Purushottam Gupte, Sunil Sadashiv Divekar, Subramanian Ganapathy | 2006-04-04 |
| 6894191 | Process for the preparation of arylamines | Nandkumar Manikrao Patil, Raghunath Vitthal Chaudhari | 2005-05-17 |
| 6858753 | Process for the preparation of carboxylic acids from aliphatic alcohols | Raghunath Vitthal Chaudhari, Sunil Shankar Joshi, Sunil Sadashiv Divekar | 2005-02-22 |
| 6521784 | Process for the preparation of acetic acid or methyl acetate | Sunil Sopana Tonde, Sunil Sadashiv Divekar, Raghunath Vitthal Chaudhari | 2003-02-18 |
| 6410681 | Process for the preparation of a polyesteramide | Shrikant Madhukar Kulkarni, Raghunath Vitthal Chaudhari | 2002-06-25 |
| 6380426 | Process for the preparation of a carboxylic acid | Sunil Sopana Tonde, Raghunath Vitthal Chaudhari | 2002-04-30 |
| 6335415 | Process for the preparation of a polyester | Shrikant Madhukar Kulkarni, Raghunath Vitthal Chaudhari | 2002-01-01 |
| 6222002 | Method for preparing polycarbonates by oxidative carbonylation | Raghunath Vitthal Chaudhari, Sunil Purushottam Gupte, Bhalchandra Mahadeo Bhanage, Mohammed Shadbar Qureshi, Bahram Moasser +4 more | 2001-04-24 |
| 5917077 | Method for preparing diaryl carbonates with improved selectivity | Raghunath Vitthal Chaudhari, Sunil Purushottam Gupte, Subbareddiar Kanagasabapathy, Subramaniam Radhakrishnan | 1999-06-29 |
| 5502241 | Process for the preparation of alkyl carbamates | Raghunath Vitthal Chaudhari, Sunil Purushottam Gupte, Devidas S. Kolhe, deceased | 1996-03-26 |
| 4902659 | Preparation of improved nickel-containing catalyst and process for conversion of alcohols to carboxylic acids therewith | Rengaswamy Jaganathan, Devidas S. Kolhe, deceased, Raghunath Vitthal Chaudhari | 1990-02-20 |