Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8507590 | Fluorescent brighteners, methods of preparation thereof, fluorescent brightener compositions, and methods of preparation and uses thereof | Shantaram Narayan Naik, Yogendrasinh Bharatsinh Chauhan | 2013-08-13 |
| 8283015 | Authenticatable articles and methods therefor | Yogendrasinh Bharatsinh Chauhan, Sriramakrishna Maruvada, Shantaram Narayan Naik, Vandita Pai-Paranjape, Kiran Puthamane +1 more | 2012-10-09 |
| 8183310 | Fluorescent brighteners, methods of preparation thereof, fluorescent brightener compositions, and methods of preparation and uses thereof | Shantaram Narayan Naik, Yogendrasinh Bharatsinh Chauhan | 2012-05-22 |
| 8178702 | Composition, method of authenticating, methods of making authenticatable compositions, authenticatable articles made there from | Yogendrasinh Bharatsinh Chauhan, Mahesh Chaudhari, Sriramakrishna Maruvada, Shantaram Narayan Naik, Vandita Pai-Paranjape +4 more | 2012-05-15 |
| 8057886 | Optical article having anti-theft feature and a system and method for inhibiting theft of same | Marc Brian Wisnudel, Terry Michael Topka, Pingfan Wu, Radislav Alexandrovich Potyrailo, David Gilles Gascoyne +10 more | 2011-11-15 |
| 7655085 | Thermally stable anthrapyridone | Ganapati Shankarling, Krishnamoorthy Sivakumar | 2010-02-02 |
| 7645884 | Chemical compositions for authenticatable polymers and articles, and authentication methods thereof | Yogendrasinh Bharatsinh Chauhan, Sriramakrishna Maruvada, Shantaram Narayan Naik, Kiran Puthamane, Meerakani Mohamed Ali Sait +3 more | 2010-01-12 |
| 7635778 | Composition, method of authenticating, methods of making authenticatable compositions, authenticatable articles made there from | Yogendrasinh Bharatsinh Chauhan, Mahesh Chaudhari, Sriramakrishna Maruvada, Shantaram Narayan Naik, Vandita Pai-Paranjape +4 more | 2009-12-22 |
| 7608715 | Fluorescent brighteners, methods of preparation thereof, fluorescent brightener compositions, and methods of preparation and uses thereof | Shantaram Narayan Naik, Yogendrasinh Bharatsinh Chauhan | 2009-10-27 |
| 7473752 | Functionalized silicone resins, methods for their preparation, and use as catalysts | Gurram Kishan, Rajappan Vetrivel, Nileshkumar Prakash Kukalyekar | 2009-01-06 |
| 7351461 | Articles comprising benzopyran colorants, method of manufacture, and method of use | Yogendrasinh Bharatsinh Chauhan, Rahul R. Khanwelkar, Krishnamoorthy Sivakumar, Kiran Puthamane | 2008-04-01 |
| 7304189 | Methods for preparing 1,1,1-tris(4-hydroxyphenyl)alkanes | Raina Gupta, Gurram Kishan, Yongcheng Li, G.V. Ramanarayanan | 2007-12-04 |
| 7270772 | Benzopyran colorants, method of manufacture, and method of use | Yogendrasinh Bharatsinh Chauhan, Rahul R. Khanwelkar, Krishnamoorthy Sivakumar, Kiran Puthamane | 2007-09-18 |
| 7230113 | Chemical compositions for authenticatable polymers and articles, and authentication methods thereof | Yogendrasinh Bharatsinh Chauhan, Sriramakrishna Maruvada, Shantaram Narayan Naik, Vandita Pai-Paranjape, Kiran Puthamane +3 more | 2007-06-12 |
| 7202292 | Colored polymeric resin composition with 1,8-diaminoanthraquinone derivative, article made therefrom, and method for making the same | Philippe Schottland, Krishnamoorthy Sivakumar, Binod Behari Sahoo, Ganapati Shankarling, Meerakani Mohamed Ali Sait | 2007-04-10 |
| 7193027 | Functionalized silicone resins, methods for their preparation, and use as catalysts | Gurram Kishan, Rajappan Vetrivel, Nileshkumar Prakash Kukalyekar | 2007-03-20 |
| 7087282 | Limited play optical storage medium, method for making the same | Krishnamoorthy Sivakumar, Philippe Schottland, Binod Behari Sahoo, Ganapati Shankarling, Meerakani Mohamed Ali Sait | 2006-08-08 |
| 7041774 | Functionalized zeolite compositions and methods for their preparation and use | Gurram Kishan, Rajappan Vetrivel, Nileshkumar Prakash Kukalyekar, Jonathan Lloyd Male, James Spivack +2 more | 2006-05-09 |
| 6995266 | Thermally stable anthrapyridone compositions | Ganapati Shankarling, Krishnamoorthy Sivakumar | 2006-02-07 |
| 6861541 | Method for preparation of an anthraquinone colorant composition | Arun Dixit | 2005-03-01 |