Home / Companies / Celgard C Celgard Charlotte, United States Founded 1991 Nanopolymers Thin Film Deposition Nanomanufacturing Nanocoatings Nanofiltration Nano Energy About Dry-process PP separators Company Details Type commercial Employees 500-1000 Funding Acquired by Asahi Key Products Celgard Separators Visit Website Related Companies N Nanosys Milpitas, United States N Nanosphere (Luminex) Northbrook, United States N Nanocomp Technologies Merrimack, United States N NanoString Technologies Seattle, United States