Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10818899 | Co-extruded, multi-layered battery separator | Ronald W. Call, C. William Fulk, Jr., Lie Shi, Xiaomin Zhang | 2020-10-27 |
| 10003058 | Method of making a co-extruded, multi-layered battery separator | Ronald W. Call, C. William Fulk, Jr., Lie Shi, Xiaomin Zhang | 2018-06-19 |
| 9570727 | Battery separator with Z-direction stability | Zhengming Zhang, Pankaj Arora, Ronald W. Call, Donald K. Simmons, Tien Dao | 2017-02-14 |
| 7790320 | Battery separator with Z-direction stability | Pankaj Arora, Ronald W. Call, Tien Dao, Donald K. Simmons, Zhengming Zhang | 2010-09-07 |
| 6749961 | Shutdown battery separator made with a blend of polymer and oligomer | C. Glen Wensley | 2004-06-15 |
| 6346350 | Structurally stable fusible battery separators and method of making same | Ronald W. Call, Pierre C. Cook, Shawn E. Hux, Wei-Ching Yu | 2002-02-12 |
| 6287730 | Hydrophilic polyolefin having a coating containing a surfactant and an EVOH copolymer | Robert W. Callahan | 2001-09-11 |