Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249351 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Ruoxin Li, David Dino | 2016-02-02 |
| 7789144 | Methods for recovering oil from an oil reservoir | Manilal S. Dahanayake, Bruno Langlois, Jean-Pierre Marchand | 2010-09-07 |
| 7784540 | Method for recovering oil from an oil reservoir | Manilal S. Dahanayake, Bruno Langlois, Jean-Pierre Marchand | 2010-08-31 |
| 7779913 | Methods for recovering oil from an oil reservoir | Manilal S. Dahanayake, Bruno Langlois, Jean-Pierre Marchand | 2010-08-24 |
| 7770642 | Methods for recovering oil from an oil reservoir | Manilal S. Dahanayake, Bruno Langlois, Jean-Pierre Marchand | 2010-08-10 |
| 7461694 | Methods for recovering oil from an oil reservoir | Manilal S. Dahanayake, Bruno Langlois | 2008-12-09 |
| 7238648 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Ruoxin Li, David Dino | 2007-07-03 |
| 6831108 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahanayake, Jiang Yang, Joseph H. Y. Niu, Ruoxin Li, David Dino | 2004-12-14 |
| 6506832 | Process for the preparation of aqueous emulsions of advantageously masked (poly)isocyanate oils and/or gums and/or resins and emulsions obtained | Bruno Langlois, Alain Senechal | 2003-01-14 |
| 6482866 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Ruoxin Li, David Dino | 2002-11-19 |
| 6376721 | Process for alkoxylation in the presence of rare earth triflimides | Christian Priou, Frederic Leising | 2002-04-23 |
| 6358914 | Surfactant compositions with enhanced soil release properties containing a cationic gemini surfactant | Gladys Saliba Gabriel, Robert Gabriel, Manilal S. Dahanayake | 2002-03-19 |
| 6262130 | High solids, pumpable aqueous compositions of high monoalkyl phosphate ester salt content | Tao Gao, Pascal Herve, Robert Lee Reierson | 2001-07-17 |
| 6258859 | Viscoelastic surfactant fluids and related methods of use | Manilal S. Dahayanake, Jiang Yang, Joseph H. Y. Niu, Ruoxin Li, David Dino | 2001-07-10 |
| 6242404 | Enhanced soil release polymer compositions | Manilal S. Dahanayake, Gladys Saliba Gabriel, Ronald Bell, Robert Gabriel | 2001-06-05 |
| 6221393 | Pharmaceutical compositions in the form of sustained-release tablets based on high molecular weight polysaccharide granules | Jean-Pierre Collaueri, Guillaume Conrath, Gabriel Gousset, Frederic Mauger | 2001-04-24 |
| 6037407 | Process for the preparation of aqueous emulsions of silicone oils and/or gums and/or resins | Michel Feder, Jean-Pierre Paillet, Michel Peignier, Alain Senechal, Jean Ulrich | 2000-03-14 |
| 6004466 | Recovery and reuse of sugar-derived nonionic surfactants from aqueous solutions | Manilal S. Dahanayake, Mark Ventura, Jeremy LaCrosse | 1999-12-21 |
| 5997907 | Enhancement of guar solution stability | Animesh Goswami | 1999-12-07 |
| 5763505 | Process for the preparation of aqueous emulsions of silicon oils and/or gums and/or resins | Michel Feder, Jean-Pierre Paillet, Michel Peignier, Alain Senechal, Jean Ulrich | 1998-06-09 |
| 5674823 | Derivatives of terpene origin, surfactant and/or fragrant composition containing them and detergent formulation based on this composition | Jean-Marc Ricca, Jean-Pierre Hecaen, Jean-Michel Mercier | 1997-10-07 |
| 5556628 | Free-flowing pseudoplastic cosmetic compositions/suspensions | Claudie Willemin | 1996-09-17 |
| 5409885 | Homogeneous, stable and flowable aqueous mixtures and dispersions of water-insoluble substances formulated therefrom exhibiting optical birefringence | Gilles Guerin, Philippe Jost | 1995-04-25 |
| 5334585 | Pyrethroid microemulsion compositions and method for controlling insects therewith | Gilles Guerin | 1994-08-02 |