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Toray Tonen Speciality Separator Godo Kaisha
| Toray Tonen Speciality Separator Godo Kaisha Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20120034519 | MICROPOROUS MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM - The invention relates to microporous membranes comprising polymer and having well-balanced permeability, shutdown temperature, and pin puncture strength. The invention also relates to methods for making such membranes, and the use of such membranes as battery separator film in, e.g., lithium ion secondary batteries. | 02-09-2012 |