Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9314779 | Method of making a catalyst and catalyst made thereby | Ashim Kumar Ghosh, Neeta Kulkarni | 2016-04-19 |
| 8969643 | Method for conversion of aromatic hydrocarbons | Ashim Kumar Ghosh, Neeta Kulkarni, Manuel Castelan | 2015-03-03 |
| 8436222 | Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation process | Ashim Kumar Ghosh, Mohammad Shafiei, Manuel Castelan, Neeta Kulkarni | 2013-05-07 |
| 8115041 | Pretreatment of a phosphorus-modified zeolite catalyst for an aromatic alkylation process | Ashim Kumar Ghosh, Mohammad Shafiei, Manuel Castelan, Neeta Kulkarni | 2012-02-14 |
| 8062987 | Phosphorus-containing zeolite catalysts and their method of preparation | Ashim Kumar Ghosh, Neeta Kulkarni | 2011-11-22 |
| 7713898 | Method of making a phosphorus-modified zeolite catalyst | Ashim Kumar Ghosh, Neeta Kulkarni | 2010-05-11 |
| 7674942 | Method of preparing an alkyl aromatic product with phosphorus-treated zeolite catalyst | Ashim Kumar Ghosh, Neeta Kulkarni | 2010-03-09 |
| 7662737 | Bound phosphorus-modified zeolite catalyst, method of preparing and method of using thereof | Ashim Kumar Ghosh, Neeta Kulkarni | 2010-02-16 |
| 7635793 | Aromatic alkylation with phosphorus-modified zeolite catalyst | Ashim Kumar Ghosh, Neeta Kulkarni | 2009-12-22 |
| 7576026 | Method of hydrothermal treatment of phosphorus-modified zeolite catalyts | Ashim Kumar Ghosh, Neeta Kulkarni, Roncalli J. Twomey | 2009-08-18 |
| 7560608 | Method of preparing a xylene product | Ashim Kumar Ghosh, Gopalakrishnan G. Juttu, Neeta Kulkarni | 2009-07-14 |
| 7507685 | Phosphorus-containing zeolite catalyst | Ashim Kumar Ghosh, Neeta Kulkarni | 2009-03-24 |
| 7446069 | Fluoride-modified zeolite catalyst | Ashim Kumar Ghosh | 2008-11-04 |
| 7399727 | Zeolite catalyst and method | Ashim Kumar Ghosh, Neeta Kulkarni | 2008-07-15 |
| 7368410 | Zeolite catalyst and method of preparing and use of zeolite catalyst | Ashim Kumar Ghosh, Neeta Kulkarni | 2008-05-06 |
| 7304194 | Hydrothermal treatment of phosphorus-modified zeolite catalysts | Ashim Kumar Ghosh, Neeta Kulkarni, Roncalli J. Twomey | 2007-12-04 |
| 7285511 | Method of modifying zeolite catalyst | Ashim Kumar Ghosh, Gopalakrishnan G. Juttu, Neeta Kulkarni | 2007-10-23 |
| 7279608 | Toluene methylation process with increased methanol selectivity | Ashim Kumar Ghosh, Neeta Kulkarni | 2007-10-09 |
| 7244869 | Method of aromatic alkylation | Ashim Kumar Ghosh, Gopalakrishnan G. Juttu | 2007-07-17 |
| 7196237 | Method of preparing an alkyl aromatic product | Ashim Kumar Ghosh | 2007-03-27 |
| 7105713 | Preparation of alkyl-aromatic products | Ashim Kumar Ghosh | 2006-09-12 |
| 7084318 | Toluene methylation process | Ashim Kumar Ghosh | 2006-08-01 |
| 7060644 | Aromatic alkylation catalyst and method | Ashim Kumar Ghosh, Gopalakrishnan G. Juttu | 2006-06-13 |
| 7060864 | Toluene methylation process | Ashim Kumar Ghosh | 2006-06-13 |
| 6943131 | Selective zeolite catalyst modification | Ashim Kumar Ghosh | 2005-09-13 |