SS

Sumitra Subrahmanyan

Chevron: 9 patents #523 of 4,788Top 15%
IP Ingenia Polymers: 1 patents #5 of 17Top 30%
Overall (All Time): #477,518 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12312534 Treating fluid comprising hydrocarbons, water, and polymer Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2025-05-27
12215276 Ph control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow +5 more 2025-02-04
11834606 Treating fluid comprising hydrocarbons, water, and polymer Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2023-12-05
11591893 PH control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow +5 more 2023-02-28
11242739 Treating fluid comprising hydrocarbons, water, and polymer Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Dennis Arun Alexis, Harold C. Linnemeyer +3 more 2022-02-08
9909053 Polymer compositions Varadarajan Dwarakanath, Robert Matthew Dean, Do Hoon Kim, Dennis Arun Alexis, Sophany Thach +2 more 2018-03-06
9902894 Polymer compositions Varadarajan Dwarakanath, Robert Matthew Dean, Do Hoon Kim, Dennis Arun Alexis, Sophany Thach +2 more 2018-02-27
9902895 Polymer compositions Varadarajan Dwarakanath, Robert Matthew Dean, Do Hoon Kim, Dennis Arun Alexis, Sophany Thach +2 more 2018-02-27
9896617 Polymer compositions Varadarajan Dwarakanath, Robert Matthew Dean, Do Hoon Kim, Dennis Arun Alexis, Sophany Thach +2 more 2018-02-20
9630349 Compacted pelletized additive blends containing a polymer carrier Ananda M. Chatterjee 2017-04-25