| An improved process for the production of cyclopentane from light petroleum fraction | January 21, 2019 | 03/30/2001 |
| A synergistic compositon for the preparation of silicon nitride powder | January 21, 2019 | 02/28/2002 |
| A process for preparation of a lactone form a cyclic ketone | January 21, 2019 | 12/31/2001 |
| A process for the preparation of phytomedicinal composition to increase secrease secretion of mammary glands for lactating mothers | January 21, 2019 | 01/31/2001 |
| An improved process for the preparation of poly alkyl (meth) acrylates | January 21, 2019 | 11/18/1999 |
| A process for preparation of liquid crystalline polyesters | January 21, 2019 | 11/05/1999 |
| Process for preparation of 2-phenyl ethanol | January 21, 2019 | 02/20/2004 |
| A process for preparation of synergistic compostion suitable for free face blasting in underground coal mines | January 21, 2019 | 02/27/2001 |
| A process for isolation of bioactive hexane fraction from vetiveria zizanioides | January 21, 2019 | 09/01/2004 |
| A process for the synthesis of stabilized copolymers useful for enhancing petroleum recovery from high temperature subterranean petroleum deposits | January 21, 2019 | 02/28/2001 |